Inventor · disambiguated record
Donald Bernard Bivens
Also filed as: BIVENS DONALD · BIVENS DONALD B · BIVENS DONALD BERNARD
30 granted patents·17 pending applications·1,058 citations·filing 1988–2020
98Inventor score
Top patents by PatentIndex Score
47 records- 0197US9540556B2Tetrafluoropropene compositions and uses thereofCHEMOURS CO FC LLC·Filed 2014·Granted Jan 10, 2017·17 cites·18 claims
- 0297US5182040AAzeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethaneDU PONT·Filed 1991·Granted Jan 26, 1993·169 cites·9 claims
- 0395US6783691B1Compositions of difluoromethane, pentafluoroethane, 1,1,1,2-tetrafluoroethane and hydrocarbonsDU PONT·Filed 2000·Granted Aug 31, 2004·99 cites·6 claims
- 0494US4810403AHalocarbon blends for refrigerant useDU PONT·Filed 1988·Granted Mar 7, 1989·158 cites·9 claims
- 0593US10208236B2Tetrafluoropropene compositions and uses thereofCHEMOURS CO FC LLC·Filed 2016·Granted Feb 19, 2019·4 cites·9 claims
- 0693US5744052AAzeotrope-like compositions containing difluoromethane, pentafluoroethane, and carbon dioxideDU PONT·Filed 1996·Granted Apr 28, 1998·111 cites·3 claims
- 0793US5417871AHydrofluorocarbon compositionsDU PONT·Filed 1994·Granted May 23, 1995·62 cites·9 claims
- 0890US5648017AAzeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane and (iso) butaneDU PONT·Filed 1995·Granted Jul 15, 1997·89 cites·13 claims
- 0987US10767092B2Tetrafluoropropene compositions and uses thereofCHEMOURS CO FC LLC·Filed 2019·Granted Sep 8, 2020·1 cites·11 claims
- 1087US5672293AHydrofluorocarbon compositionsDU PONT·Filed 1995·Granted Sep 30, 1997·42 cites·5 claims
- 1185US5277834ANear-azeotropic blends for use as refrigerantsDU PONT·Filed 1992·Granted Jan 11, 1994·49 cites·2 claims
- 1284US6503417B1Ternary compositions of ammonia, pentafluoroethane and difluoromethaneDU PONT·Filed 1999·Granted Jan 7, 2003·55 cites·4 claims
- 1378US2020354618A1Tetrafluoropropene compositions and uses thereofCHEMOURS CO FC LLC·Filed 2020·Application pending·0 cites
- 1477US5403504AProcess for heating and cooling using substantially constant boiling compositions of fluorinated hydrocarbonsDU PONT·Filed 1993·Granted Apr 4, 1995·31 cites·2 claims
- 1575US5785883AHydrofluorocarbon compositions with tetrafluoroethane and cyclopropaneDU PONT·Filed 1997·Granted Jul 28, 1998·23 cites·3 claims
- 1669US5262077AHalocarbon blendsDU PONT·Filed 1991·Granted Nov 16, 1993·22 cites·15 claims
- 1766US6001273ABinary azeotropes of difluoromethane and hydrocarbonsFiled 1998·Granted Dec 14, 1999·17 cites·7 claims
- 1866US5800730ANear-azeotropic blends for use as refrigerantsDU PONT·Filed 1997·Granted Sep 1, 1998·17 cites·18 claims
- 1966US5616276AAzeotrope-like refrigerants with chlorodifluoromethane, pentafluoroethane, and C2 -C4 hydrocarbonDU PONT·Filed 1995·Granted Apr 1, 1997·17 cites·9 claims
- 2065US8871112B2Compositions comprising 2,3,3,3-tetrafluoropropene and hydrocarbons and uses thereofMINOR BARBARA HAVILAND·Filed 2009·Granted Oct 28, 2014·1 cites·5 claims
- 2161US6846792B2Hydrofluorocarbon compositionsDU PONT·Filed 2002·Granted Jan 25, 2005·4 cites·5 claims
- 2261US2010122545A1Tetrafluoropropene compositions and uses thereofDU PONT·Filed 2009·Application pending·0 cites
- 2361US2013221262A1Tetrafluoropropene compositions and uses thereofDU PONT·Filed 2013·Application pending·0 cites
- 2460US2015007592A1Compositions comprising 2,3,3,3-tetrafluoropropene and hydrocarbons and uses thereofDU PONT·Filed 2014·Application pending·0 cites
- 2559USD745145SSpecimen collection deviceBIVENS DONALD·Filed 2014·Granted Dec 8, 2015·11 cites·1 claims
- 2656US5968406AAzeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethaneDU PONT·Filed 1997·Granted Oct 19, 1999·11 cites·4 claims
- 2754US6531441B1Hydrofluorocarbon compositionsDU PONT·Filed 1999·Granted Mar 11, 2003·10 cites·3 claims
- 2853US2006245944A1Cooling apparatus powered by a ratioed gear drive assemblyLECK THOMAS J·Filed 2006·Application pending·0 cites
- 2953US2007289317A1Hydrofluorocarbon refrigerant compositions and uses thereofMINOR BARBARA H·Filed 2007·Application pending·0 cites
- 3052US2006242985A1Refrigeration/air-conditioning apparatus powered by an engine exhaust gas driven turbineLECK THOMAS J·Filed 2006·Application pending·0 cites
- 3152US2010251803A1Detectable refrigerant compositions and uses thereofDU PONT·Filed 2010·Application pending·0 cites
- 3250US2006243945A1Compositions comprising a fluoroolefinMINOR BARBARA H·Filed 2006·Application pending·0 cites
- 3348US5061394AAzeotropic composition of 1-chloro-1,2,2,2-tetrafluoroethane and dimethyl etherDU PONT·Filed 1990·Granted Oct 29, 1991·8 cites·6 claims
- 3448US2010101245A1Fluorinated compositions and systems using such compositionsDU PONT·Filed 2007·Application pending·0 cites
- 3548US2010065773A1Pentafluoroethane, tetrafluoroethane and hydrocarbon compositionsE I DU PONT DE NEMOURSA AND CO·Filed 2007·Application pending·0 cites
- 3648US2010011791A1R422d heat transfer systems and r22 systems retrofitted with r422dSTRICKLAND ROGER NICHOLAS·Filed 2007·Application pending·0 cites
- 3748US2011017942A1Pentafluoroethane, tetrafluoroethane and n-butane compositionsDU PONT·Filed 2009·Application pending·0 cites
- 3847US5725791AAzeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethaneDU PONT·Filed 1993·Granted Mar 10, 1998·7 cites·5 claims
- 3947US2006243944A1Compositions comprising a fluoroolefinMINOR BARBARA H·Filed 2006·Application pending·0 cites
- 4046US5516446ACompositions of 1,1,1,2-tetrafluoroethane and dimethyl etherDU PONT·Filed 1994·Granted May 14, 1996·6 cites·7 claims
- 4145US2009314015A1Method for circulating selected heat transfer fluids through a closed loop cycleDU PONT·Filed 2007·Application pending·0 cites
- 4245US2004222402A1Refrigerant compositions containing a compatibilizerFiled 2004·Application pending·0 cites
- 4344US2005211949A1Detectable refrigerant compositions and uses thereofBIVENS DONALD B·Filed 2004·Application pending·0 cites
- 4443US5662825AUse of 1,1,1,3,3,3-Hexafluoropropane in centrifugal compressorsDU PONT·Filed 1995·Granted Sep 2, 1997·7 cites·2 claims
- 4541US5635099ANear-azeotropic blends for use as refrigerants with pentafluoroethane, trifluoroethane, and tetrafluoroethaneDU PONT·Filed 1995·Granted Jun 3, 1997·4 cites·4 claims
- 4637US5589098ACompositions of difluoromethane and tetrafluoroethaneDU PONT·Filed 1995·Granted Dec 31, 1996·3 cites·6 claims
- 4735US5284596ASubstantially constant boiling compositions of 1,1,1,2-tetra-fluoroethane and dimethyl etherDU PONT·Filed 1991·Granted Feb 8, 1994·3 cites·5 claims
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