Inventor
THOMAS ROBERT D
US7 patents
⚠️ This page may combine multiple inventors who share the name “THOMAS ROBERT D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
4 patentsUS4407378AOct 4, 1983
Nozzle retention method for rock bits
SMITH INTERNATIONAL72 citations94
US4187743AFeb 12, 1980
Rock bit and method of manufacture
SMITH INTERNATIONAL21 citations80
US4091884AMay 30, 1978
Rotary air percussion bit
SMITH INTERNATIONAL20 citations80
US4413918ANov 8, 1983
Thrust bearing for rock bits
SMITH INTERNATIONAL10 citations72