Inventor

Ravi Prasad

Inventor

East Amherst, NY, US

Overview

1981–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 110 as inventor

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

B01Dprimary

B01DSeparation22%

C01BNon-metallic elements17%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%

Y02PClimate change mitigation technologies in the production or processing of goods5%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%

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

Y10TTechnical subjects covered by former us classification3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

C04BLime, magnesia2%

PatentTitleYear

10,594,560Intent driven network policy platform2020 10,523,512Network agent for generating platform specific network policies2019 10,522,695Inorganic multilayer stack and methods and compositions relating thereto2019 10,250,446Distributed policy store2019 9,752,053'Barrier layer stacks and methods and compositions thereof'2017 9,391,910'Smart pause for distributed switch fabric system'2016 8,152,898'Helium recovery process'2012 8,115,313'Method to form an interconnect'2012 7,814,656'Flexible barrier film structure'2010 7,757,631'Apparatus for forming a circuit'2010 7,709,050'Surface treatment for OLED material'2010 7,661,828'Adjusting light intensity'2010 7,465,343'Inkjet ink for use on polymeric substrate'2008 7,462,383'Labeling with thermally conductive pads'2008 7,224,533'Optically retro-reflecting sphere'2007 7,212,223'Labeling with thermally conductive pads'2007 7,135,405'Method to form an interconnect'2006 7,132,152'Flexible barrier film structure'2006 7,118,612'Oxygen separation method utilizing an oxygen transport membrane reactor'2006 7,118,790'Process for producing coated polymeric articles and the articles produced thereby'2006 7,052,788'Regulator and method of regulating fuel flow to a fuel cell by adsorption'2006 6,982,128'Co-catalyst proton exchange membrane fuel cell utilizing borohydride fuels'2006 6,927,108'Solution-processed thin film transistor formation method'2005 6,924,054'Fuel supply for a fuel cell'2005 6,916,362'Ion transport membrane isolation device'2005 6,790,416'Hydrogen generation system'2004 6,695,983'Syngas production method utilizing an oxygen transport membrane'2004 6,663,235'Coverlayer based on functional polymers'2003 6,649,235'Process for producing coated polymeric articles and the articles produced thereby'2003 6,638,575'Plasma sprayed oxygen transport membrane coatings'2003 6,575,170'Method and apparatus for expanding tobacco material'2003 6,565,632'Ion-transport membrane assembly incorporating internal support'2003 6,547,859'Process for making microporous membranes having selected gas-selective sites and the membranes so made'2003 6,539,719'Integration of ceramic oxygen transport membrane combustor with boiler furnace'2003 6,537,514'Method and apparatus for producing carbon dioxide'2003 6,537,465'Low pressure steam purged chemical reactor including an oxygen transport membrane'2003 6,524,421'Cold isopressing method'2003 6,457,820'Facility and method for removing gas bubbles from an ink jet printer'2002 6,406,518'Gas separation process using ceramic membrane and regenerators'2002 6,402,988'Process for producing a syngas'2002 6,395,206'Method of removing an organic binder from a green ceramic form'2002 6,368,383'Method of separating oxygen with the use of composite ceramic membranes'2002 6,332,964'Multi-phase solid ion and electron conducting membrane with low volume percentage electron conducting phase and methods for fabricating'2001 6,296,686'Ceramic membrane for endothermic reactions'2001 6,187,157'Multi-phase solid electrolyte ionic transport membrane and method for fabricating same'2001 6,165,553'Method of fabricating ceramic membranes'2000 6,153,163'Ceramic membrane reformer'2000 6,146,445'Stabilized perovskite for ceramic membranes'2000 6,139,810'Tube and shell reactor with oxygen selective ion transport ceramic reaction tubes'2000 6,139,604'Thermally powered oxygen/nitrogen plant incorporating an oxygen selective ion transport membrane'2000 6,117,210'Solid electrolyte systems for producing controlled purity oxygen'2000 6,106,591'Process for reducing carbon production in solid electrolyte ionic conductor systems'2000 6,066,307'Method of producing hydrogen using solid electrolyte membrane'2000 6,017,646'Process integrating a solid oxide fuel cell and an ion transport reactor'2000 6,010,614'Temperature control in a ceramic membrane reactor'2000 5,976,223'Solid electrolyte ionic conductor systems for oxygen, nitrogen, and/or carbon dioxide production with gas turbine'1999 5,964,922'Solid electrolyte ionic conductor with adjustable steam-to-oxygen production'1999 5,954,859'Solid electrolyte ionic conductor oxygen production with power generation'1999 5,944,874'Solid electrolyte ionic conductor systems for the production of high purity nitrogen'1999 5,938,822'Solid electrolyte membrane with porous catalytically-enhancing constituents'1999 5,935,298'Solid electrolyte ionic conductor oxygen production with steam purge'1999 5,911,860'Solid electrolyte membrane with mechanically-enhancing constituents'1999 5,888,272'Process for enriched combustion using solid electrolyte ionic conductor systems'1999 5,855,648'Solid electrolyte system for use with furnaces'1999 5,852,925'Method for producing oxygen and generating power using a solid electrolyte membrane integrated with a gas turbine'1998 5,851,266'Hybrid solid electrolyte ionic conductor systems for purifying inert gases'1998 5,837,034'Process for reducing carbon production in solid electrolyte ionic conductor systems'1998 5,837,125'Reactive purge for solid electrolyte membrane gas separation'1998 5,827,351'Air separation system and method'1998 5,820,654'Integrated solid electrolyte ionic conductor separator-cooler'1998 5,820,655'Solid Electrolyte ionic conductor reactor design'1998 5,799,665'Process and apparatus for impregnation and expansion of tobacco'1998 5,733,435'Pressure driven solid electrolyte membrane gas separation method'1998 5,709,732'Advanced membrane system for separating gaseous mixtures'1998 5,649,552'Process and apparatus for impregnation and expansion of tobacco'1997 5,582,735'Removal of organics from a fluid using a permeable membrane'1996 5,557,951'Process and apparatus for recovery and purification of argon from a cryogenic air separation unit'1996 5,547,494'Staged electrolyte membrane'1996 5,497,792'Process and apparatus for the semicontinuous extraction of nicotine from tobacco'1996 5,449,457'Liquid membrane modules with minimal effective membrane thickness and methods of making the same'1995 5,425,801'Membrane nitrogen with temperature tracking'1995 5,383,956'Start-up and shut down processes for membrane systems and membrane systems useful for the same'1995 5,378,263'High purity membrane nitrogen'1995 5,352,361'Spiral-wound hollow fiber membrane fabric cartridges and modules having flow-directing baffles'1994 5,318,759'Membrane/PSA-deoxo process for nitrogen production'1994 5,308,382'Container inerting'1994 5,284,584'Hollow fiber membrane fabric - containing cartridges and modules having solvent-resistant thermoplastic tube sheets, and methods for making the same'1994 5,266,342'Method for decaffeinating coffee materials including a reverse osmosis permeate recycle'1993 5,264,171'Method of making spiral-wound hollow fiber membrane fabric cartridges and modules having flow-directing baffles'1993 5,251,649'Process for impregnation and expansion of tobacco'1993 5,226,932'Enhanced meambrane gas separations'1993 5,205,842'Two stage membrane dryer'1993 5,186,832'Spiral-wound hollow fiber membrane fabric cartridges and modules having integral turbulence promoters'1993 5,185,014'Membrane oxygen process and system'1993 5,169,412'Membrane air drying and separation operations'1992 5,165,908'Annular heated fluidized bed reactor'1992 5,122,355'Membrane nitrogen process and system'1992 5,116,396'Hybrid prepurifier for cryogenic air separation plants'1992 5,102,432'Three-stage membrane gas separation process and system'1992 5,084,073'Membrane drying process and system'1992 5,018,540'Process for removal of basic materials'1991 5,004,482'Production of dry, high purity nitrogen'1991 4,996,317'Caffeine recovery from supercritical carbon dioxide'1991 4,992,245'Annular heated fluidized bed reactor'1991 4,934,148'Dry, high purity nitrogen production process and system'1990 4,931,070'Process and system for the production of dry, high purity nitrogen'1990 4,911,941'Method for decaffeinating coffee with a supercritical fluid'1990 4,881,953'Prevention of membrane degradation'1989 4,341,804'Decaffeination of aqueous roasted coffee extract'1982 4,246,291'Decaffeination of aqueous extracts'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2012Based in East Amherst, NY, US· patent location history

1990–1998Based in Midlothian, VA, US· patent location history

1991–1997Patents assigned to PHILIP MORRIS INC (4)· patent assignee history

1992–2012Patents assigned to PRAXAIR TECHNOLOGY INC (56)· patent assignee history

1993–1995Patents assigned to HOECHST CELANESE CORP (5)· patent assignee history

1993–2006Based in Charlotte, NC, US· patent location history

2002–2019Based in Corvallis, OR, US· patent location history

2003–2012Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (17)· patent assignee history

2016–2020Patents assigned to CISCO TECH INC (4)· patent assignee history

2016–2020Based in Fremont, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PRAXAIR TECHNOLOGY INC	56	1992–2012
HEWLETT PACKARD DEVELOPMENT CO	17	2003–2012
HOECHST CELANESE CORP	5	1993–1995
CISCO TECH INC	4	2016–2020
PHILIP MORRIS INC	4	1991–1997

Locations

Location	Patents	Span
East Amherst, New York, US	67	1989–2012
Corvallis, OR, US	20	2002–2019
Charlotte, NC, US	8	1993–2006
Midlothian, Virginia, US	8	1990–1998
Fremont, California, US	4	2016–2020