Inventor

CASTLE JACK

US2 patents

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

ROCK BIT L P

1 patent

US6904984B1Jun 14, 2005

Stepped polycrystalline diamond compact insert

ROCK BIT L P113 citations93

EXXON PRODUCTION RESEARCH CO

1 patent

US5145017ASep 8, 1992

Kerf-cutting apparatus for increased drilling rates

EXXON PRODUCTION RESEARCH CO121 citations93