Inventor

Donald J. Drake

Inventor

Rochester, NY, US

Overview

1986–2013

Patent span

Performing operations

Primary field (CPC B)

Patents· 69 as inventor

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

B41Jprimary

B41JTypewriters59%

Y10TTechnical subjects covered by former us classification12%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

B81BMicrostructural devices or systems, e.g. micromechanical devices3%

H04NPictorial communication, e.g. television3%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation3%

H10DInorganic electric semiconductor devices2%

B23PMetal-working not otherwise provided for1%

PatentTitleYear

8,567,911'Silicon interposer for MEMS scalable printing modules'2013 7,980,671'Electrostatic actuator and method of making the electrostatic actuator'2011 7,794,047'Efficient image array micro electromechanical system (MEMS)JET'2010 7,718,458'Electric field concentration minimization for MEMS'2010 7,712,871'Method, apparatus and printhead for continuous MEMS ink jets'2010 7,512,357'Image forming device arranged with plural particle removal devices'2009 7,300,133'Systems and methods for print head defect detection and print head maintenance'2007 7,278,699'Enhanced printer reliability using extra print module'2007 7,264,328'Systems and methods for print head defect detection and print head maintenance'2007 6,864,908'Printhead with plural arrays of printing elements'2005 6,764,160'Printhead interposing maintenance apparatus and method and image producing machine having same'2004 6,698,861'Spot size noise to minimize stitch error perception'2004 6,457,798'Six gray level roofshooter fluid ejector'2002 6,338,544'Reduction of stitch joint error by alternating print head firing mode'2002 6,286,951'Method for forming an ink jet printhead with integral ink filter'2001 6,257,699'Modular carriage assembly for use with high-speed, high-performance, printing device'2001 6,234,623'Integral ink filter for ink jet printhead'2001 6,130,693'Ink jet printhead which prevents accumulation of air bubbles therein and method of fabrication thereof'2000 6,089,693'Pagewidth ink jet printer including multiple pass defective nozzle correction'2000 5,943,076'Printhead for thermal ink jet devices'1999 5,755,024'Printhead element butting'1998 5,751,311'Hybrid ink jet printer with alignment of scanning printheads to pagewidth printbar'1998 5,710,582'Hybrid ink jet printer'1998 5,620,614'Printhead array and method of producing a printhead die assembly that minimizes end channel damage'1997 5,572,244'Adhesive-free edge butting for printhead elements'1996 5,534,901'Ink jet printhead having a flat surface heater plate'1996 5,528,272'Full width array read or write bars having low induced thermal stress'1996 5,457,311'Integrated circuit fan-in for semiconductor transducer devices'1995 5,450,108'Ink jet printhead which avoids effects of unwanted formations developed during fabrication'1995 5,412,412'Ink jet printhead having compensation for topographical formations developed during fabrication'1995 5,410,340'Off center heaters for thermal ink jet printheads'1995 5,341,162'Liquid deagassing apparatus'1994 5,228,666'Fixture for fabricating full width scanning or imaging arrays from subunits'1993 5,208,605'Multi-resolution roofshooter printheads'1993 5,201,987'Fabricating method for silicon structures'1993 5,198,054'Method of making compensated collinear reading or writing bar arrays assembled from subunits'1993 5,192,959'Alignment of pagewidth bars'1993 5,160,403'Precision diced aligning surfaces for devices such as ink jet printheads'1992 5,160,945'Pagewidth thermal ink jet printhead'1992 5,141,596'Method of fabricating an ink jet printhead having integral silicon filter'1992 5,124,717'Ink jet printhead having integral filter'1992 5,098,503'Method of fabricating precision pagewidth assemblies of ink jet subunits'1992 5,097,274'Overlapping chip replaceable subunits, methods of making same, and methods of making RIS or ROS array bars incorporating these subunits'1992 5,079,189'Method of making RIS or ROS array bars using replaceable subunits'1992 5,057,854'Modular partial bars and full width array printheads fabricated from modular partial bars'1991 5,045,142'Stand-off structure for flipped chip butting'1991 5,041,190'Method of fabricating channel plates and ink jet printheads containing channel plates'1991 5,034,083'Process and apparatus for assembling smaller scanning or printing arrays together to form an extended array'1991 5,030,971'Precisely aligned, mono- or multi-color, `roofshooter` type printhead'1991 5,017,941'Thermal ink jet printhead with recirculating cooling system'1991 5,006,202'Fabricating method for silicon devices using a two step silicon etching process'1991 4,999,077'Method of fabricating full width scanning or imaging arrays from subunits'1991 4,985,710'Buttable subunits for pagewidth \"Roofshooter\" printheads'1991 4,975,143'Keyway alignment substrates'1990 4,961,821'Ode through holes and butt edges without edge dicing'1990 4,899,181'Large monolithic thermal ink jet printhead'1990 4,875,968'Method of fabricating ink jet printheads'1989 4,864,329'Fluid handling device with filter and fabrication process therefor'1989 4,851,371'Fabricating process for large array semiconductive devices'1989 4,835,553'Thermal ink jet printhead with increased drop generation rate'1989 4,829,324'Large array thermal ink jet printhead'1989 4,822,755'Method of fabricating large area semiconductor arrays'1989 4,789,425'Thermal ink jet printhead fabricating process'1988 4,786,357'Thermal ink jet printhead and fabrication method therefor'1988 RE032572'Thermal ink jet printhead and process therefor'1988 4,678,529'Selective application of adhesive and bonding process for ink jet printheads'1987 4,639,748'Ink jet printhead with integral ink filter'1987 4,638,328'Printhead for an ink jet printer'1987 4,601,777'Thermal ink jet printhead and process therefor'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2013Patents assigned to XEROX CORP (68)· patent assignee history

1986–2013Based in Rochester, NY, US· patent location history

2001Based in Monroe, NY, US· patent location history

2013Patents assigned to DRAKE DONALD J (1)· patent assignee history

2013Patents assigned to NYSTROM PETER J (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	68	1986–2013
DRAKE DONALD Jself	1	2013
NYSTROM PETER J	1	2013

Locations

Location	Patents	Span
Rochester, New York, US	68	1986–2013
Monroe, New York, US	1	2001