Inventor · disambiguated record

Joseph C. Pendergrass

Also filed as: PENDERGRASS JOSEPH C

2 granted patents·119 citations·filing 1981–1995

69Inventor score

Technology areasF25B Y02B

Files withPENDERGRASS JOSEPH C1 WALLACE HEATING & AIR CONDITIO1

Top patents by PatentIndex Score

2 records

0179US4438881ASolar assisted heat pump heating systemPENDERGRASS JOSEPH C·Filed 1981·Granted Mar 27, 1984·52 cites·31 claims
0278US5628200AHeat pump system with selective space coolingWALLACE HEATING & AIR CONDITIO·Filed 1995·Granted May 13, 1997·67 cites·20 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →