Bruce Mitchell

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Casing perforating and erosion system for cavern erosion in a heavy...
- Patent number 9,388,674
- Issue date Jul 12, 2016
- Bruce Mitchell
- B24 - GRINDING POLISHING
Information Patent Grant
Pressure range delimited valve with close assist
- Patent number 8,757,267
- Issue date Jun 24, 2014
- Bosley Gas Lift Systems Inc.
- Bruce Mitchell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure range delimited valve
- Patent number 7,331,392
- Issue date Feb 19, 2008
- G. Bosley Oilfield Services Ltd.
- Gordon F. Bosley
- E21 - EARTH DRILLING MINING
Information Patent Grant
Annular pressure spool
- Patent number 6,840,327
- Issue date Jan 11, 2005
- Bruce Mitchell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
CASING PERFORATING AND EROSION SYSTEM FOR CAVERN EROSION IN A HEAVY...
- Publication number 20150027695
- Publication date Jan 29, 2015
- Bruce MITCHELL
- E21 - EARTH DRILLING MINING
Information Patent Application
PRESSURE RANGE DELIMITED VALVE WITH CLOSE ASSIST
- Publication number 20120152552
- Publication date Jun 21, 2012
- BOSLEY GAS LIFT SYSTEMS INC.
- Bruce Mitchell
- E21 - EARTH DRILLING MINING
Information Patent Application
PRESSURE RANGE DELIMITED VALVE
- Publication number 20070029093
- Publication date Feb 8, 2007
- Gordon F. Bosley
- E21 - EARTH DRILLING MINING
Information Patent Application
Production tool
- Publication number 20030155113
- Publication date Aug 21, 2003
- Bruce Stophen Mitchell
- E21 - EARTH DRILLING MINING
Information Patent Application
Annular pressure spool
- Publication number 20030066687
- Publication date Apr 10, 2003
- Bruce Stephen Mitchell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...