Inventor · disambiguated record
Joseph A. Pietsch
Also filed as: PIETSCH JOSEPH A
9 granted patents·298 citations·filing 1977–2001
91Inventor score
Top patents by PatentIndex Score
9 records- 0195US4336692ADual source heat pumpATLANTIC RICHFIELD CO·Filed 1980·Granted Jun 29, 1982·122 cites·2 claims
- 0289US4320630AHeat pump water heaterATLANTIC RICHFIELD CO·Filed 1980·Granted Mar 23, 1982·50 cites·4 claims
- 0383US5964101AEnergy transfer system for refrigerator/freezer componentsSCHULAK EDWARD R·Filed 1998·Granted Oct 12, 1999·45 cites·8 claims
- 0476US4138859ASplit heat pump outdoor fan arrangementGEN ELECTRIC·Filed 1977·Granted Feb 13, 1979·28 cites·4 claims
- 0569US6463755B2Energy transfer system for refrigerator/freezer componentsSCHULAK EDWARD R·Filed 2001·Granted Oct 15, 2002·13 cites·8 claims
- 0655US6230514B1Energy transfer system for refrigerator freezer componentsSCHULAK EDWARD R·Filed 1999·Granted May 15, 2001·15 cites·24 claims
- 0753US5816063AEnergy transfer system for refrigerator/freezer componentsSCHULAK EDWARD R·Filed 1997·Granted Oct 6, 1998·17 cites·9 claims
- 0836US5937662AEnergy transfer system for refrigerator/freezer componentsSCHULAK EDWARD R·Filed 1998·Granted Aug 17, 1999·7 cites·18 claims
- 0929US5904051AEnergy transfer system for refrigeration/freezer componentsSCHULAK EDWARD R·Filed 1998·Granted May 18, 1999·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →