Craig R. Ivie

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for weight on bit measurements, and methods of using same
- Patent number 6,957,575
- Issue date Oct 25, 2005
- ReedHycalog, L.P.
- Marcel Luke Boucher
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic action for rotary drill bits
- Patent number 5,096,005
- Issue date Mar 17, 1992
- Camco International Inc.
- Craig R. Ivie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Nozzle means for rotary drill bits
- Patent number 5,029,656
- Issue date Jul 9, 1991
- Camco International Inc.
- Craig R. Ivie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit having improved hydraulic action for directing drilling f...
- Patent number 4,989,680
- Issue date Feb 5, 1991
- Camco International Inc.
- John D. Deane
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting elements for roller cutter drill bits
- Patent number 4,940,099
- Issue date Jul 10, 1990
- Reed Tool Company
- John D. Deane
- E21 - EARTH DRILLING MINING