David Fielding

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Derby, GB

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Patents Grantslast 30 patents

Information Patent Grant
Cyclonic separators and methods for separating particulate matter a...
- Patent number 9,359,879
- Issue date Jun 7, 2016
- BP Corporation North America Inc.
- Alistair Gill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rigless low volume pump system
- Patent number 9,127,535
- Issue date Sep 8, 2015
- BP Corporation North America Inc.
- Robert A. Coyle
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rigless low volume pump system
- Patent number 8,925,637
- Issue date Jan 6, 2015
- BP Corporation North America, Inc.
- Robert A. Coyle
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rigless low volume pump system
- Patent number 8,511,390
- Issue date Aug 20, 2013
- BP Corporation North America Inc.
- Robert A. Coyle
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CYCLONIC SEPARATORS AND METHODS FOR SEPARATING PARTICULATE MATTER A...
- Publication number 20140174734
- Publication date Jun 26, 2014
- BP CORPORATION NORTH AMERICA INC.
- Alistair Gill
- E21 - EARTH DRILLING MINING
Information Patent Application
Rigless Low Volume Pump System
- Publication number 20130299182
- Publication date Nov 14, 2013
- BP Corporation North America, Inc.
- Robert A. Coyle
- E21 - EARTH DRILLING MINING
Information Patent Application
Rigless Low Volume Pump System
- Publication number 20130299181
- Publication date Nov 14, 2013
- BP Corporation North America, Inc.
- Robert A. Coyle
- E21 - EARTH DRILLING MINING
Information Patent Application
RIGLESS LOW VOLUME PUMP SYSTEM
- Publication number 20110186302
- Publication date Aug 4, 2011
- BP Corporation North America Inc.
- Robert A. Coyle
- E21 - EARTH DRILLING MINING