Inventor

HISEY ROBERT W

US4 patents

⚠️ This page may combine multiple inventors who share the name “HISEY ROBERT W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GARDNER DENVER CO

2 patents

US4076338AFeb 28, 1978

Castering roller for a drill pipe guide bushing

GARDNER DENVER CO4 citations58

US4049064ASep 20, 1977

Multi function drill drive system

GARDNER DENVER CO6 citations51

COOPER IND INC

1 patent

US4455116AJun 19, 1984

Drill pipe handling and storage apparatus

COOPER IND INC45 citations85

TAMPELLA OY AB

1 patent

US4974686ADec 4, 1990

Apparatus for handling a drilling equipment

TAMPELLA OY AB18 citations71