P

Inventor

NEWTON ALEX

US9 patents
⚠️ This page may combine multiple inventors who share the name “NEWTON ALEX”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CAMCO DRILLING GROUP LTD

6 patents
US5651421AJul 29, 1997

Rotary drill bits

CAMCO DRILLING GROUP LTD125 citations97
US5829539ANov 3, 1998

Rotary drill bit with hardfaced fluid passages and method of manufacturing

CAMCO DRILLING GROUP LTD95 citations95
US5605199AFeb 25, 1997

Elements faced with super hard material

CAMCO DRILLING GROUP LTD84 citations95
US5862873AJan 26, 1999

Elements faced with superhard material

CAMCO DRILLING GROUP LTD59 citations94
US5788001AAug 4, 1998

Elements faced with superhard material

CAMCO DRILLING GROUP LTD30 citations92
US5671818ASep 30, 1997

Rotary drill bits

CAMCO DRILLING GROUP LTD25 citations92

CAMCO INT UK LTD

1 patent
US6142250ANov 7, 2000

Rotary drill bit having moveable formation-engaging members

CAMCO INT UK LTD207 citations98

CAMCO DRILLING GROUP LTD OF HY

1 patent
US5697461ADec 16, 1997

Rotary drill bit having a non-rotating gauge section

CAMCO DRILLING GROUP LTD OF HY37 citations90

CAMCO INT

1 patent
US5819860AOct 13, 1998

Rotary drill bits

CAMCO INT11 citations73