Inventor · disambiguated record

David P. Keller

Also filed as: KELLER DAVID P

2 granted patents·54 citations·filing 1976–1978

61Inventor score

Technology areasA61F F27B

Files withAMERICAN HOSPITAL SUPPLY CORP1 CITIES SERVICE CO1

Top patents by PatentIndex Score

2 records

0161US4017911AHeart valve with a sintered porous surfaceAMERICAN HOSPITAL SUPPLY CORP·Filed 1976·Granted Apr 19, 1977·51 cites·4 claims
0232US4222987AMuffle calciner having counter-rotating screw conveyorsCITIES SERVICE CO·Filed 1978·Granted Sep 16, 1980·3 cites·4 claims

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