Inventor · disambiguated record
Stephen E. Petty
Also filed as: PETTY STEPHEN · PETTY STEPHEN E
10 granted patents·364 citations·filing 1990–1997
92Inventor score
Files withCOLUMBIA GAS OF OHIO INC3COLUMBIA GAS SERVICE CORP2COLUMBIA GAS SYST2FIRST COMPANY INC1UNIV OHIO STATE RES FOUND1
Top patents by PatentIndex Score
10 records- 0192US6109339AHeating systemFIRST COMPANY INC·Filed 1996·Granted Aug 29, 2000·103 cites·42 claims
- 0292US5339654AHeat transfer apparatusCOLUMBIA GAS SYST·Filed 1991·Granted Aug 23, 1994·74 cites·20 claims
- 0379US5533362AHeat transfer apparatus for heat pumpsCOLUMBIA GAS OF OHIO INC·Filed 1994·Granted Jul 9, 1996·33 cites·20 claims
- 0470US5546760AGenerator for absorption heat pumpsCOLUMBIA GAS OF OHIO INC·Filed 1995·Granted Aug 20, 1996·32 cites·14 claims
- 0568US4972679AAbsorption refrigeration and heat pump system with defrostCOLUMBIA GAS SERVICE CORP·Filed 1990·Granted Nov 27, 1990·21 cites·15 claims
- 0667US5067330AHeat transfer apparatus for heat pumpsCOLUMBIA GAS SYST·Filed 1990·Granted Nov 26, 1991·24 cites·27 claims
- 0762US5636527AEnhanced fluid-liquid contactUNIV OHIO STATE RES FOUND·Filed 1995·Granted Jun 10, 1997·27 cites·21 claims
- 0856US6649062B1Fluid-membrane separationFiled 1997·Granted Nov 18, 2003·23 cites·30 claims
- 0952US5769033AHot water storageCOLUMBIA GAS OF OHIO INC·Filed 1996·Granted Jun 23, 1998·20 cites·21 claims
- 1028USRE34747EAbsorption refrigeration and heat pump system with defrostCOLUMBIA GAS SERVICE CORP·Filed 1992·Granted Oct 4, 1994·7 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →