Inventor · disambiguated record
Alan Cheng
Also filed as: CHENG ALAN · CHENG ALAN K L · CHENG ALAN T · CHENG ALAN T Y
56 granted patents·12 pending applications·1,499 citations·filing 1987–2025
99Inventor score
Top patents by PatentIndex Score
68 records- 0198US4931225AMethod and apparatus for dispersing a gas into a liquidUNION CARBIDE IND GASES TECH·Filed 1989·Granted Jun 5, 1990·220 cites·30 claims
- 0293US6273402B1Submersible in-situ oxygenatorPRAXAIR TECHNOLOGY INC·Filed 2000·Granted Aug 14, 2001·71 cites·16 claims
- 0393US5098267AApparatus and method for producing and molding structural foamUNION CARBIDE IND GASES TECH·Filed 1990·Granted Mar 24, 1992·96 cites·19 claims
- 0492US8015841B2Cryogenic refrigeration system for lyophilizationPRAXAIR TECHNOLOGY INC·Filed 2007·Granted Sep 13, 2011·12 cites·8 claims
- 0592USD539243STelevisionINVENTEC CORP·Filed 2004·Granted Mar 27, 2007·58 cites·1 claims
- 0690US10576288B2Cardiac event sensing in an implantable medical deviceMEDTRONIC INC·Filed 2017·Granted Mar 3, 2020·13 cites·20 claims
- 0789US5939313AStationary vortex system for direct injection of supplemental reactor oxygenPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Aug 17, 1999·85 cites·10 claims
- 0889US5401866AMethod of recovering waste heat from edible oil deodorizer and improving product stabilityPRAXAIR TECHNOLOGY INC·Filed 1994·Granted Mar 28, 1995·62 cites·9 claims
- 0989US5374751ADeodorizing edible oil and/or with non-condensible inert gas and recovering a high quality fatty acid distillatePRAXAIR TECHNOLOGY INC·Filed 1993·Granted Dec 20, 1994·61 cites·22 claims
- 1087US11357988B2Cardiac event sensing in an implantable medical deviceMEDTRONIC INC·Filed 2020·Granted Jun 14, 2022·2 cites·21 claims
- 1187US6324852B1Method of using high pressure LN2 for cooling reactorsPRAXAIR TECHNOLOGY INC·Filed 2000·Granted Dec 4, 2001·31 cites·5 claims
- 1286US8938979B2Method for lyophilization using cryogenic refrigeration systemCHENG ALAN·Filed 2011·Granted Jan 27, 2015·4 cites·5 claims
- 1385US6355292B1Precarbonation process to reduce foamingPRAXAIR TECHNOLOGY INC·Filed 2000·Granted Mar 12, 2002·23 cites·20 claims
- 1484US8794013B2Method and system for nucleation control in a controlled rate freezer (CRF)ZHOU YING·Filed 2011·Granted Aug 5, 2014·3 cites·18 claims
- 1584US5943869ACryogenic cooling of exothermic reactorPRAXAIR TECHNOLOGY INC·Filed 1998·Granted Aug 31, 1999·42 cites·4 claims
- 1683US11478641B2Surgical tools and methods for delivering a neurostimulator into the pterygopalatine fossaREALEVE LLC·Filed 2020·Granted Oct 25, 2022·2 cites·14 claims
- 1782US5302325AIn-line dispersion of gas in liquidPRAXAIR TECHNOLOGY INC·Filed 1990·Granted Apr 12, 1994·63 cites·17 claims
- 1881US5061406AIn-line gas/liquid dispersionUNION CARBIDE IND GASES TECH·Filed 1990·Granted Oct 29, 1991·62 cites·11 claims
- 1980US5315020AMethod of recovering waste heat from edible oil deodorizer and improving product stabilityPRAXAIR TECHNOLOGY INC·Filed 1992·Granted May 24, 1994·41 cites·10 claims
- 2080US4861352AMethod of separating a gas and/or particulate matter from a liquidUNION CARBIDE CORP·Filed 1987·Granted Aug 29, 1989·45 cites·25 claims
- 2178US2025064468A1Surgical system and methodsMEDTRONIC INC·Filed 2024·Application pending·0 cites
- 2277US5241092ADeodorizing edible oil and/or fat with non-condensible inert gas and recovering a high quality fatty acid distillatePRAXAIR TECHNOLOGY INC·Filed 1991·Granted Aug 31, 1993·27 cites·20 claims
- 2376US12137924B2Surgical system and methodsMEDTRONIC INC·Filed 2023·Granted Nov 12, 2024·0 cites·14 claims
- 2474US9101780B2Automatic external defibrillator for implatable cardiac defibrillator patients undergoing procedures involving electromagnetic interferenceCHENG ALAN·Filed 2012·Granted Aug 11, 2015·9 cites·20 claims
- 2574US6505472B1Cryogenic condensation systemPRAXAIR TECHNOLOGY INC·Filed 2001·Granted Jan 14, 2003·17 cites·11 claims
- 2674US6220048B1Freeze drying with reduced cryogen consumptionPRAXAIR TECHNOLOGY INC·Filed 1998·Granted Apr 24, 2001·24 cites·22 claims
- 2773US12280255B2Surgical tools and methods for delivering a neurostimulator into the pterygopalatine fossaREALEVE LLC·Filed 2022·Granted Apr 22, 2025·0 cites·7 claims
- 2873US12220586B2Cardiac event sensing in an implantable medical deviceMEDTRONIC INC·Filed 2022·Granted Feb 11, 2025·0 cites·18 claims
- 2973US8794012B2Method and system for controlled rate freezing of biological materialCHENG ALAN·Filed 2008·Granted Aug 5, 2014·8 cites·10 claims
- 3073US7048262B2Method and apparatus for injecting oxygen into fermentation processesPRAXAIR TECHNOLOGY INC·Filed 2001·Granted May 23, 2006·15 cites·7 claims
- 3173US6250609B1Method of making supersaturated oxygenated liquidPRAXAIR TECHNOLOGY INC·Filed 1999·Granted Jun 26, 2001·49 cites·23 claims
- 3272US8820097B2Method and system for regulating the mixture of cryogen liquid and warm gas for a controlled rate cryogenic chiller or freezing systemCHENG ALAN T·Filed 2011·Granted Sep 2, 2014·1 cites·16 claims
- 3371US7461649B2Portable gas operating inhalerPRAXAIR TECHNOLOGY INC·Filed 2004·Granted Dec 9, 2008·43 cites·33 claims
- 3471US6319861B1Method of improving depositionUNITED MICROELECTRONICS CORP·Filed 2000·Granted Nov 20, 2001·14 cites·16 claims
- 3569US11678897B2Surgical system and methodsMEDTRONIC INC·Filed 2021·Granted Jun 20, 2023·0 cites·19 claims
- 3668US2025222258A1Surgical Tools and Methods for Delivering a Neurostimulator into the Pterygopalatine FossaREALEVE LLC·Filed 2025·Application pending·0 cites
- 3767US10744468B2System and method for feeding gas into liquidCHENG ALAN T·Filed 2017·Granted Aug 18, 2020·1 cites·11 claims
- 3867US6500765B2Method for manufacturing dual-spacer structureUNITED MICROELECTRONICS CORP·Filed 2001·Granted Dec 31, 2002·14 cites·16 claims
- 3967US6145815ASystem for enhanced gas dissolution having a hood positioned over the impeller with segregating ringsPRAXAIR TECHNOLOGY INC·Filed 1998·Granted Nov 14, 2000·37 cites·17 claims
- 4066US6622496B2External loop nonfreezing heat exchangerPRAXAIR TECHNOLOGY INC·Filed 2001·Granted Sep 23, 2003·16 cites·32 claims
- 4164USD556753SNetwork applianceINVENTEC CORP·Filed 2006·Granted Dec 4, 2007·14 cites·1 claims
- 4264US5937656ANonfreezing heat exchangerPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Aug 17, 1999·23 cites·19 claims
- 4362US7279319B2Method and apparatus for injecting oxygen into fermentation processesPRAXAIR TECHNOLOGY INC·Filed 2004·Granted Oct 9, 2007·6 cites·8 claims
- 4459US5985652AGas driven fermentation systemPRAXAIR TECHNOLOGY INC·Filed 1998·Granted Nov 16, 1999·20 cites·4 claims
- 4559US5634355ACryogenic system for recovery of volatile compoundsPRAXAIR TECHNOLOGY INC·Filed 1995·Granted Jun 3, 1997·27 cites·10 claims
- 4658US5211916AStripping systemPRAXAIR TECHNOLOGY INC·Filed 1991·Granted May 18, 1993·20 cites·15 claims
- 4757US2016270837A1Atrial septal aneurysm transseptal access systemUNIV JOHNS HOPKINS·Filed 2014·Application pending·0 cites
- 4856USD533147SReceiving and sending box of TV wirelessINVENTEC CORP·Filed 2005·Granted Dec 5, 2006·12 cites·1 claims
- 4956US5701745ACryogenic cold shelfPRAXAIR TECHNOLOGY INC·Filed 1996·Granted Dec 30, 1997·21 cites·10 claims
- 5054US11559690B2Ventricular assist system and methodMEDTRONIC INC·Filed 2021·Granted Jan 24, 2023·0 cites·20 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →