Bruce A. Cram

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Airdrie, CA

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Patents Grantslast 30 patents

Information Patent Grant
Downhole multiple bore tubing apparatus
- Patent number 8,256,517
- Issue date Sep 4, 2012
- Smith International, Inc.
- Derek Ingraham
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF ISOLATING A DOWNHOLE ZONE FOR THE GATHERING OF DATA
- Publication number 20100252256
- Publication date Oct 7, 2010
- Smith International, Inc.
- Michael Plooy
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE MULTIPLE BORE TUBING APPARATUS
- Publication number 20100163240
- Publication date Jul 1, 2010
- Smith International, Inc.
- Derek Ingraham
- E21 - EARTH DRILLING MINING
Information Patent Application
HYDRAULIC RELEASE RUNNING TOOL
- Publication number 20050126775
- Publication date Jun 16, 2005
- Vi (Jim) Van Nguy
- E21 - EARTH DRILLING MINING
Information Patent Application
Debris screen for a downhole tool
- Publication number 20040221984
- Publication date Nov 11, 2004
- Bruce A. Cram
- E21 - EARTH DRILLING MINING
Information Patent Application
Hydraulically set liner hanger
- Publication number 20040194954
- Publication date Oct 7, 2004
- Bruce A. Cram
- E21 - EARTH DRILLING MINING