Robert Barnett

Follow

Person

Calgary, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Cuttings bed removal tool
- Patent number 7,882,903
- Issue date Feb 8, 2011
- BBJ Tools Inc.
- Robert Barnett
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ball release procedure and release tool
- Patent number 7,770,652
- Issue date Aug 10, 2010
- BBJ Tools Inc.
- Robert Barnett
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
BALL RELEASE PROCEDURE AND RELEASE TOOL
- Publication number 20080223586
- Publication date Sep 18, 2008
- BBJ TOOLS INC.
- ROBERT BARNETT
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTINGS BED REMOVAL TOOL
- Publication number 20070278011
- Publication date Dec 6, 2007
- BBJ TOOLS INC.
- Robert Barnett
- E21 - EARTH DRILLING MINING