Inventor · disambiguated record
Frederick Wells Leavitt
Also filed as: LEAVITT FREDERICK W · LEAVITT FREDERICK WELLS
28 granted patents·1,374 citations·filing 1987–2000
98Inventor score
Top patents by PatentIndex Score
28 records- 0192US6245127B1Pressure swing adsorption process and apparatusPRAXAIR TECHNOLOGY INC·Filed 1999·Granted Jun 12, 2001·119 cites·20 claims
- 0292US5769928APSA gas purifier and purification processPRAXAIR TECHNOLOGY INC·Filed 1996·Granted Jun 23, 1998·105 cites·20 claims
- 0390US6500234B1Rate-enhanced gas separationPRAXAIR TECHNOLOGY INC·Filed 1999·Granted Dec 31, 2002·86 cites·21 claims
- 0490US4810265APressure swing adsorption process for gas separationUNION CARBIDE CORP·Filed 1987·Granted Mar 7, 1989·86 cites·20 claims
- 0589US5407465ATuning of vacuum pressure swing adsorption systemsPRAXAIR TECHNOLOGY INC·Filed 1993·Granted Apr 18, 1995·91 cites·20 claims
- 0688US5085674ADuplex adsorption processUNION CARBIDE IND GASES TECH·Filed 1990·Granted Feb 4, 1992·73 cites·27 claims
- 0787US6027548APSA apparatus and process using adsorbent mixturesPRAXAIR TECHNOLOGY INC·Filed 1998·Granted Feb 22, 2000·76 cites·31 claims
- 0884US6475265B1Pressure swing adsorption method for production of an oxygen-enriched gasPRAXAIR TECHNOLOGY INC·Filed 1998·Granted Nov 5, 2002·74 cites·19 claims
- 0983US6506234B1Pressure swing adsorption gas separation method, using adsorbents with high intrinsic diffusivity and low pressure ratiosPRAXAIR TECHNOLOGY INC·Filed 1999·Granted Jan 14, 2003·58 cites·24 claims
- 1083US5674311AAdsorption process and system using multilayer adsorbent bedsPRAXAIR TECHNOLOGY INC·Filed 1995·Granted Oct 7, 1997·56 cites·10 claims
- 1182US5759242ARadial bed vaccum/pressure swing adsorber vesselPRAXAIR TECHNOLOGY INC·Filed 1996·Granted Jun 2, 1998·62 cites·19 claims
- 1281US6500235B2Pressure swing adsorption process for high recovery of high purity gasPRAXAIR TECHNOLOGY INC·Filed 2000·Granted Dec 31, 2002·30 cites·17 claims
- 1380US5169413ALow temperature pressure swing adsorption with refrigerationPRAXAIR TECHNOLOGY INC·Filed 1991·Granted Dec 8, 1992·49 cites·59 claims
- 1479US5415683AVacuum pressure swing adsorption processPRAXAIR TECHNOLOGY INC·Filed 1993·Granted May 16, 1995·47 cites·19 claims
- 1577US5711787AOxygen recovery pressure swing adsorption processPRAXAIR TECHNOLOGY INC·Filed 1995·Granted Jan 27, 1998·62 cites·18 claims
- 1675US5163978ADual product pressure swing adsorption process and systemPRAXAIR TECHNOLOGY INC·Filed 1991·Granted Nov 17, 1992·41 cites·37 claims
- 1775US5074892AAir separation pressure swing adsorption processUNION CARBIDE IND GASES TECH·Filed 1990·Granted Dec 24, 1991·42 cites·34 claims
- 1874US5833844AThermally-driven ion-exchange process for lithium recoveryPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Nov 10, 1998·33 cites·2 claims
- 1973US5766311AMulti-thermal pulse PSA systemPRAXAIR TECHNOLOGY INC·Filed 1996·Granted Jun 16, 1998·42 cites·22 claims
- 2071US5681477AThermally-driven ion-exchange process for lithium recoveryPRAXAIR TECHNOLOGY INC·Filed 1995·Granted Oct 28, 1997·21 cites·17 claims
- 2166US5453112APressure swing adsorption heat recoveryPRAXAIR TECHNOLOGY INC·Filed 1994·Granted Sep 26, 1995·30 cites·20 claims
- 2262US5871565AVacuum/pressure swing adsorption (VPSA) for production of an oxygen enriched gasPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Feb 16, 1999·29 cites·30 claims
- 2355US5451383ALithium recoveryPRAXAIR TECHNOLOGY INC·Filed 1993·Granted Sep 19, 1995·15 cites·9 claims
- 2450US5810909AAdsorption process and system using multilayer adsorbent bedsPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Sep 22, 1998·15 cites·2 claims
- 2548US5989314APressure swing adsorption air prepurifierPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Nov 23, 1999·15 cites·10 claims
- 2642US5604169AProcess for producing mixed-cation zeolitesPRAXAIR TECHNOLOGY INC·Filed 1996·Granted Feb 18, 1997·8 cites·10 claims
- 2741US5958817AAdsorbent production with single pass ion exchangePRAXAIR TECHNOLOGY INC·Filed 1997·Granted Sep 28, 1999·6 cites·18 claims
- 2836US6218327B1Mixed cation adsorbent having substantially uniform cation distributionPRAXAIR TECHNOLOGY INC·Filed 1999·Granted Apr 17, 2001·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →