Inventor
CHILDERS JOHN S
US5 patents
⚠️ This page may combine multiple inventors who share the name “CHILDERS JOHN S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
REED ROCK BIT CO
4 patentsUS4611673ASep 16, 1986
Drill bit having offset roller cutters and improved nozzles
REED ROCK BIT CO89 citations94
US4516642AMay 14, 1985
Drill bit having angled nozzles for improved bit and well bore cleaning
REED ROCK BIT CO52 citations91
US4558754ADec 17, 1985
Drill bit having angled nozzles
REED ROCK BIT CO23 citations81
US4323284AApr 6, 1982
Thrust face bearing structure for rolling cutter drill bit
REED ROCK BIT CO11 citations69