-
-
-
-
-
Positive displacement pump
-
Patent number 7,610,964
-
Issue date Nov 3, 2009
-
Baker Hughes Incorporated
-
Don C. Cox
-
E21 - EARTH DRILLING MINING
-
-
-
Live well heater cable
-
Patent number 6,585,046
-
Issue date Jul 1, 2003
-
Baker Hughes Incorporated
-
David H. Neuroth
-
E21 - EARTH DRILLING MINING
-
-
-
-
-
-
-
-
-
-
-
-
Cable anchor assembly
-
Patent number 5,193,614
-
Issue date Mar 16, 1993
-
Otis Engineering Corporation
-
Don C. Cox
-
E21 - EARTH DRILLING MINING
-
-
Tubing connector
-
Patent number 5,156,206
-
Issue date Oct 20, 1992
-
Otis Engineering Corporation
-
Don C. Cox
-
E21 - EARTH DRILLING MINING
-
Slip assembly
-
Patent number 5,027,926
-
Issue date Jul 2, 1991
-
Otis Engineering Corporation
-
Don C. Cox
-
E21 - EARTH DRILLING MINING
-
Slip assembly
-
Patent number 4,940,118
-
Issue date Jul 10, 1990
-
Otis Engineering Corporation
-
Don C. Cox
-
E21 - EARTH DRILLING MINING
-
Injector for coupled pipe
-
Patent number 4,655,291
-
Issue date Apr 7, 1987
-
Otis Engineering Corporation
-
Don C. Cox
-
E21 - EARTH DRILLING MINING
-
-
-
Quick disconnect rotary valve coupling
-
Patent number 4,181,149
-
Issue date Jan 1, 1980
-
Otis Engineering Corporation
-
Don C. Cox
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...