Inventor · disambiguated record
Robert W. Hisey
Also filed as: HISEY ROBERT W
4 granted patents·73 citations·filing 1976–1989
77Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0170US4455116ADrill pipe handling and storage apparatusCOOPER IND INC·Filed 1981·Granted Jun 19, 1984·45 cites·12 claims
- 0246US4974686AApparatus for handling a drilling equipmentTAMPELLA OY AB·Filed 1989·Granted Dec 4, 1990·18 cites·7 claims
- 0329US4076338ACastering roller for a drill pipe guide bushingGARDNER DENVER CO·Filed 1976·Granted Feb 28, 1978·4 cites·4 claims
- 0424US4049064AMulti function drill drive systemGARDNER DENVER CO·Filed 1976·Granted Sep 20, 1977·6 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →