Inventor
DRAKE ERIC F
US16 patents
⚠️ This page may combine multiple inventors who share the name “DRAKE ERIC F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CAMCO INT
5 patentsUS5161898ANov 10, 1992
Aluminide coated bearing elements for roller cutter drill bits
CAMCO INT121 citations97
US6045750AApr 4, 2000
Rock bit hardmetal overlay and proces of manufacture
CAMCO INT79 citations95
US5988302ANov 23, 1999
Hardmetal facing for earth boring drill bit
CAMCO INT55 citations95
US5967248AOct 19, 1999
Rock bit hardmetal overlay and process of manufacture
CAMCO INT69 citations95
US5653299AAug 5, 1997
Hardmetal facing for rolling cutter drill bit
CAMCO INT38 citations92
REED ROCK BIT CO
3 patentsUS4398952AAug 16, 1983
Methods of manufacturing gradient composite metallic structures
REED ROCK BIT CO205 citations98
US4372404AFeb 8, 1983
Cutting teeth for rolling cutter drill bit
REED ROCK BIT CO76 citations96
US4368788AJan 18, 1983
Metal cutting tools utilizing gradient composites
REED ROCK BIT CO81 citations96
REED TOOL CO
3 patentsUS4887493ADec 19, 1989
Roller cutter drill bit and method of forming
REED TOOL CO26 citations92
US4595067AJun 17, 1986
Rotary drill bit, parts therefor, and method of manufacturing thereof
REED TOOL CO27 citations92
US4969378ANov 13, 1990
Case hardened roller cutter for a rotary drill bit and method of making
REED TOOL CO42 citations90