Inventor

Felix Theeuwes

Inventor

Los Altos, CA, US

Overview

1976–2020

Patent span

Human necessities

Primary field (CPC A)

Patents· 260 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes41%

A61MDevices for introducing media into, or onto, the body27%

A61NElectrotherapy9%

A61FFilters implantable into blood vessels6%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%

Y10TTechnical subjects covered by former us classification3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

A01NPreservation of bodies of humans or animals or plants or parts thereof2%

A61BDiagnosis2%

A61JContainers specially adapted for medical or pharmaceutical purposes1%

PatentTitleYear

10,786,517Uses of oxygenated cholesterol sulfates (OCS)2020 10,758,623Pharmaceutically active agent complexes, polymer complexes, and compositions and methods involving the same2020 10,272,097Uses of oxygenated cholesterol sulfates (OCS)2019 10,028,957Depot formulations2018 8,252,319'Transdermal delivery system for sufentanil'2012 8,252,320'Transdermal delivery system for sufentanil'2012 8,246,977'Transdermal delivery systems'2012 7,572,252'Electrotransport agent delivery method and apparatus'2009 7,470,267'Fluid delivery device having an electrochemical pump with an anionic exchange membrane and associated method'2008 7,458,965'Fluid delivery device having an electrochemical pump with an ion-exchange membrane and associated method'2008 7,438,701'Local concentration management system'2008 7,371,229'Dual electrode advanced electrochemical delivery system'2008 7,235,068'Osmotic delivery system having space-efficient piston'2007 7,212,853'Electrotransport agent delivery method and apparatus'2007 7,184,826'Device and method for enhancing transdermal flux of agents being delivered or sampled'2007 7,136,698'Electrotransport agent delivery apparatus'2006 6,997,922'Osmotic delivery system having space efficient piston'2006 6,918,901'Device and method for enhancing transdermal agent flux'2005 6,872,292'Voltage modulation of advanced electrochemical delivery system'2005 6,872,201'Osmotic delivery system having space efficient piston'2005 6,835,194'Implantable devices and methods for treatment of pain by delivery of fentanyl and fentanyl congeners'2004 6,824,532'Composite drug delivery catheter'2004 6,773,721'Osmotic caplet'2004 6,726,920'Implantable drug delivery patch'2004 6,718,201'Electrotransport agent delivery method and apparatus'2004 6,689,373'Devices and methods for pain management'2004 6,638,263'Regulation of drug delivery through flow diversion'2003 6,562,014'Device and method for enhancing transdermal flux of agents being sampled'2003 6,548,083'Prolonged release active agent dosage form adapted for gastric retention'2003 6,544,252'Osmotic delivery system having space efficient piston'2003 6,541,021'Devices and methods for pain management'2003 6,537,264'Device and method for enhancing transdermal flux of agents being sampled'2003 6,368,315'Composite drug delivery catheter'2002 6,289,242'Electrotransport system with ion exchange material competitive ion capture'2001 6,219,574'Device and method for enchancing transdermal sampling'2001 6,183,466'Dosage form comprising a capsule'2001 6,120,803'Prolonged release active agent dosage form adapted for gastric retention'2000 6,049,733'Electrotransport system with ion exchange material competitive ion capture'2000 5,993,435'Device and method of iontophoretic drug delivery'1999 5,983,130'Electrotransport agent delivery method and apparatus'1999 5,938,654'Osmotic device for delayed delivery of agent'1999 5,871,460'Electrotransport system with ion exchange material providing enhanced drug delivery'1999 5,869,097'Method of therapy comprising an osmotic caplet'1999 5,857,992'Device and method of iontophoretic drug delivery'1999 5,795,591'Osmotic drug delivery devices with hydrophobic wall materials'1998 5,785,994'Method for administering drug to gastrointestinal tract'1998 5,647,844'Device and method of iontophoretic drug delivery'1997 5,531,736'Osmotic device for delayed delivery of agent'1996 5,499,979'Delivery system comprising kinetic forces'1996 5,496,266'Device and method of iontophoretic drug delivery'1996 5,464,387'Transdermal delivery device'1995 5,445,606'Indicator for iontophoresis system'1995 5,443,459'Osmotic device for delayed delivery of agent'1995 5,417,682'Device for administering active agent to biological environment'1995 5,413,572'Osmotic dosage system for liquid drug delivery'1995 5,391,381'Dispenser capable of delivering plurality of drug units'1995 5,385,543'Iontophoretic delivery device and method of hydrating same'1995 5,344,394'Iontophoretic device incorporating an electrotransport adhesive'1994 5,340,590'Delivery system with bilayer osmotic engine'1994 5,324,280'Osmotic dosage system for delivering a formulation comprising liquid carrier and drug'1994 5,322,502'Membrane for electrotransport transdermal drug delivery'1994 5,320,598'Iontophoretic delivery device and method of hydrating same'1994 5,312,389'Osmotically driven syringe with programmable agent delivery'1994 5,312,388'Osmotic device for delayed delivery of agent'1994 5,298,017'Layered electrotransport drug delivery system'1994 5,288,289'Iontophoretic delivery device and method of hydrating same'1994 5,284,660'Delayed onset transdermal delivery device'1994 5,250,028'Intravenous system for delivering a beneficial agent using permeability enhancers'1993 5,246,417'Indicator for iontophoresis system'1993 RE034365'Intravenous system for delivering a beneficial agent'1993 5,240,995'Electrotransport adhesive'1993 5,236,689'Multi-unit delivery system'1993 5,234,992'Electrotransport adhesive'1993 5,232,705'Dosage form for time-varying patterns of drug delivery'1993 5,232,438'Membrane for electrotransport transdermal drug delivery'1993 5,203,768'Transdermal delivery device'1993 5,200,196'Improvement in pulsed drug therapy'1993 5,198,229'Self-retaining gastrointestinal delivery device'1993 5,169,383'Control membrane for electrotransport drug delivery'1992 5,169,382'Membrane for electrotransport transdermal drug delivery'1992 5,162,042'Electrotransport transdermal system'1992 5,160,743'Annealed composition for pharmaceutically acceptable drug'1992 5,160,320'Intravenous system for delivering a beneficial agent'1992 5,158,537'Iontophoretic delivery device and method of hydrating same'1992 5,156,850'Dosage form for time-varying patterns of drug delivery'1992 5,151,093'Osmotically driven syringe with programmable agent delivery'1992 5,147,296'Membrane for electrotransport transdermal drug delivery'1992 5,141,752'Delayed drug delivery device'1992 5,141,750'Delayed onset transdermal delivery device'1992 5,110,597'Multi-unit delivery system'1992 5,104,390'Fluid receiving receptacle comprising biocide delivery system contacting outside of receptacle'1992 5,082,668'Controlled-release system with constant pushing source'1992 5,080,646'Membrane for electrotransport transdermal drug delivery'1992 5,071,656'Delayed onset transdermal delivery device'1991 5,069,671'Intravenous medication'1991 5,045,059'Intravenous system for delivering a beneficial agent'1991 5,030,454'Method for delivering drug in tiny pills in liquid carrier'1991 5,030,216'Osmotically driven syringe'1991 5,024,842'Annealed coats'1991 5,023,088'Multi-unit delivery system'1991 5,019,397'Aqueous emulsion for pharmaceutical dosage form'1991 5,006,346'Delivery system'1991 4,994,031'Intravenous system for delivering a beneficial agent'1991 4,986,987'Pulsed drug delivery'1991 4,985,017'Parenteral therapeutical system comprising drug cell'1991 4,985,016'Intravenous system for delivering a beneficial agent'1991 4,978,337'Formulation chamber with exterior electrotransport delivery device'1990 4,976,966'Delayed release osmotically driven fluid dispenser'1990 4,973,307'Method for administering drugs to a patient'1990 4,971,790'Dosage form for lessening irritation of mocusa'1990 4,969,871'Intravenous system for delivering a beneficial agent'1990 4,969,872'Intravenous system for delivering a beneficial agent with delivery rate control via permeable surface area variance'1990 4,966,769'Method for delivering dosage form for diltiazem'1990 4,961,932'Plurality of tiny pills in liquid dosage form'1990 4,957,494'Multi-layer delivery system'1990 4,948,592'Pulsed drug delivery'1990 4,946,456'Fluid imbibing pump activated by capillary action of a fabric or polymeric sleeve'1990 4,940,465'Dispenser comprising displaceable matrix with solid state properties'1990 4,938,748'Urinary drainage container comprising external source of biocide'1990 4,931,285'Aqueous based pharmaceutical coating composition for dosage forms'1990 4,927,408'Electrotransport transdermal system'1990 4,915,949'Dispenser with movable matrix comprising a plurality of tiny pills'1990 4,915,689'Parenteral delivery system comprising a vial containing a beneficial agent'1990 4,908,019'Apparatus comprising dual reservoirs for parenteral infusion of fluid containing beneficial agent'1990 4,904,474'Delivery of drug to colon by oral disage form'1990 4,892,778'Juxtaposed laminated arrangement'1990 4,876,093'Dispenser with dispersing member for delivering beneficial agent'1989 4,874,388'Multi-layer delivery system'1989 4,871,360'System for intravenous delivery of a beneficial drug at a regulated rates'1989 4,867,969'Hydrogel formulation for administering non-steroidal drugs'1989 4,865,585'Method of administering drug by using cell comprising drug'1989 4,863,744'Intestine drug delivery'1989 4,859,470'Dosage form for delivering diltiazem'1989 4,857,052'Intravenous system for delivering a beneficial agent'1989 4,853,229'Method for adminstering tiny pills'1989 4,851,232'Drug delivery system with means for obtaining desirable in vivo release rate pattern'1989 4,851,231'System for delivering drug in selected environment of use'1989 4,851,229'Composition comprising a therapeutic agent and a modulating agent'1989 4,842,867'Pulsed drug delivery of doxylamine'1989 4,837,111'Dosage form for dispensing drug for human therapy'1989 4,824,675'Dispenser with movable matrix comprising a plurality of tiny pills'1989 4,814,180'Agent dispenser comprising a semipermeable wall surrounding single-piece or two-piece container'1989 4,800,056'Process for making dispenser with cooperating elements'1989 4,790,820'Parenteral agent dispensing equipment with drug releasing member'1988 4,783,337'Osmotic system comprising plurality of members for dispensing drug'1988 4,781,714'Dispenser for delivering thermo-responsive composition'1988 4,777,049'Constant release system with pulsed release'1988 4,773,907'Primary delivery system comprising secondary dosage form'1988 4,765,989'Osmotic device for administering certain drugs'1988 4,756,314'Sweat collection patch'1988 4,751,071'Composition comprising salbutamol'1988 4,747,847'System for delivering potassium chloride with enhanced bioacceptability'1988 4,743,248'Dosage form for delivering acid sensitive beneficial agent'1988 4,741,734'Releasing means for adding agent using releasing means to IV fluid'1988 4,741,735'Intravenous system for delivering a beneficial agent'1988 4,740,197'Intravenous system for delivering a beneficial agent via polymer delivery'1988 4,740,198'Method of administering intravenous drug using rate-controlled dosage form'1988 4,740,201'Intravenous system for delivering a beneficial agent'1988 4,740,200'Intravenous system for delivering a beneficial agent'1988 4,740,199'Intravenous system for delivering a beneficial agent'1988 4,740,103'Intravenous system for delivering a beneficial agent'1988 4,732,915'Process for increasing solubility of drug'1988 4,728,498'Process for disinfecting article with device dispensing chlorine donor and chlorine acceptor'1988 4,723,957'System for delivering drug with enhanced bioacceptability'1988 4,721,613'Delivery system comprising means for shielding a multiplicity of reservoirs in selected environment of use'1988 4,716,031'Drug dispenser comprising a multiplicity of members acting together for successfully dispensing drug'1987 4,705,515'Dosage form for administering drug of the colon'1987 4,693,895'Colon delivery system'1987 4,692,326'Dispenser comprising inner positioned soft or hard capsule'1987 4,681,583'System for dispersing drug in biological environment'1987 4,678,467'Dispenser comprising capsule with volume displacing member'1987 4,673,405'Osmotic system with instant drug availability'1987 4,664,650'Apparatus for parenteral infusion of fluid containing beneficial agent'1987 4,663,148'Dispenser comprising telescopically engaging members'1987 4,663,149'Dispenser comprising inner and outer walls functioning as cooperative unit'1987 4,659,558'Oral delivery system comprising a plurality of tiny pills for delivering drug in the stomach and intestine'1987 4,655,766'Fluid imbibing pump with self-regulating skin patch'1987 4,649,043'Drug delivery system for delivering a plurality of tiny pills in the gastrointestinal tract'1987 4,642,233'Gastrointestinal drug delivery system comprising a hydrogel reservoir containing a plurality of tiny pills'1987 4,627,850'Osmotic capsule'1986 4,627,851'Colonic-therapeutic delivery system'1986 4,618,487'Device for administering calcium ascorbate'1986 4,615,698'Total agent osmotic delivery system'1986 4,612,008'Osmotic device with dual thermodynamic activity'1986 4,610,686'Controlled delivery of haloperidol by an osmotic delivery system'1986 4,608,048'Dispensing device with drug delivery patterns'1986 4,596,555'Parenteral delivery system utilizing a hollow fiber cellular unit'1986 4,586,922'Intravenous system for delivering a beneficial agent'1986 4,587,117'Medical device for delivering drug to pH environments greater than 3.5'1986 4,583,981'Parenteral controlled therapy, using a porous matrix with parenteral agent'1986 4,579,553'Parenteral controlled therapy'1986 4,578,075'Delivery system housing a plurality of delivery devices'1986 4,576,604'Osmotic system with instant drug availability'1986 4,552,555'System for intravenous delivery of a beneficial agent'1985 4,552,556'Parenteral controlled therapy'1985 4,548,599'Parenteral controlled therapy'1985 4,548,598'Parenteral agent dispensing equipment'1985 4,540,403'Parenteral dispensing system with programmable drug administration'1985 4,533,348'In-line drug dispenser for use in intravenous therapy'1985 4,525,162'Parenteral controlled delivery'1985 4,521,211'Parenteral agent dispensing equipment'1985 4,515,585'System for parenteral administration of agent'1985 4,511,352'Parenteral delivery system with in-line container'1985 4,511,351'Parenteral delivery system utilizing a hollow fiber cellular unit'1985 4,511,353'Intravenous system for delivering a beneficial agent'1985 4,503,030'Device for delivering drug to certain pH environments'1985 4,493,702'Parenteral administration using osmotically motivated delivery system'1985 4,484,909'Parenteral therapy using solid drug'1984 4,479,794'System for intravenous therapy'1984 4,479,793'Parenteral administration using drug delivery device'1984 4,474,574'Formulation dispenser for use with a parenteral delivery system'1984 4,455,143'Osmotic device for dispensing two different medications'1984 4,455,145'Dispensing device with internal drive'1984 4,449,983'Simultaneous delivery of two drugs from unit delivery device'1984 4,439,183'Parenteral agent dispensing equipment'1984 4,434,153'Drug delivery system comprising a reservoir containing a plurality of tiny pills'1984 4,432,756'Parenteral controlled therapy'1984 4,432,754'Apparatus for parenteral infusion of fluid containing beneficial agent'1984 4,424,056'Parenteral administration'1984 4,418,038'Disinfecting with chlorine-containing biocide dispensed from shaped polymeric body'1983 4,410,328'Dispensing device with internal drive'1983 4,344,929'Method of delivering drug with aid of effervescent activity generated in environment of use'1982 4,331,728'Laminate made of a cellulose acetate layer and an elastomeric material layer'1982 4,327,725'Osmotic device with hydrogel driving member'1982 4,320,759'Dispenser with diffuser'1982 4,309,996'System with microporous releasing diffusor'1982 4,305,927'Method for the management of intraocular pressure'1981 4,298,003'System for delivering agent at zero order rate with emerging agent below saturation'1981 4,290,426'Dispenser for dispensing beneficial agent'1981 4,286,067'Article of manufacture comprising semipermeable polymer and dextran derivative'1981 4,285,987'Process for manufacturing device with dispersion zone'1981 4,278,087'Device with integrated operations for controlling release of agent'1981 4,265,874'Method of delivering drug with aid of effervescent activity generated in environment of use'1981 4,256,108'Microporous-semipermeable laminated osmotic system'1981 4,235,236'Device for dispensing drug by combined diffusional and osmotic operations'1980 4,217,898'System with microporous reservoir having surface for diffusional delivery of agent'1980 4,203,440'Device having variable volume chamber for dispensing useful agent'1980 4,203,439'Osmotic system with volume amplifier for increasing amount of agent delivered therefrom'1980 4,203,441'Osmotically triggered device with gas generating means'1980 4,200,098'Osmotic system with distribution zone for dispensing beneficial agent'1980 4,160,452'Osmotic system having laminated wall comprising semipermeable lamina and microporous lamina'1979 4,160,020'Therapeutic device for osmotically dosing at controlled rate'1979 4,142,526'Osmotic releasing system with means for changing release therefrom'1979 4,135,514'Osmotic releasing system for administering ophthalmic drug to eye of animal'1979 4,116,241'Osmotic system with laminated wall comprising structurally different semipermeable lamina'1978 4,111,202'Osmotic system for the controlled and delivery of agent over time'1978 4,111,201'Osmotic system for delivering selected beneficial agents having varying degrees of solubility'1978 4,111,203'Osmotic system with means for improving delivery kinetics of system'1978 4,096,238'Method for administering drug to the gastrointestinal tract'1978 4,093,708'Osmotic releasing device having a plurality of release rate patterns'1978 4,088,864'Process for forming outlet passageways in pills using a laser'1978 4,077,407'Osmotic devices having composite walls'1978 4,058,122'Osmotic system with laminated wall formed of different materials'1977 4,036,227'Osmotic releasing device having a plurality of release rate patterns'1977 4,036,228'Osmotic dispenser with gas generating means'1977 4,034,758'Osmotic therapeutic system for administering medicament'1977 4,016,880'Osmotically driven active agent dispenser'1977 4,014,334'Laminated osmotic system for dispensing beneficial agent'1977 4,008,719'Osmotic system having laminar arrangement for programming delivery of active agent'1977 3,977,404'Osmotic device having microporous reservoir'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2009Patents assigned to ALZA CORP (234)· patent assignee history

1976–2008Based in Los Altos, CA, US· patent location history

1990–2012Patents assigned to THEEUWES FELIX (8)· patent assignee history

1991–2020Based in Los Altos Hills, CA, US· patent location history

1994–2012Patents assigned to YUM SU IL (4)· patent assignee history

2002–2020Patents assigned to DURECT CORP (15)· patent assignee history

2008Patents assigned to MICROLIN LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALZA CORP	234	1976–2009
DURECT CORP	15	2002–2020
THEEUWES FELIXself	8	1990–2012
YUM SU IL	4	1994–2012
MICROLIN LLC	2	2008

Locations

Location	Patents	Span
Los Altos, California, US	212	1976–2008
Los Altos Hills, California, US	48	1991–2020