David Stephen Innes

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Inverurie, GB

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic valves with integral seals
- Patent number 8,813,786
- Issue date Aug 26, 2014
- Aker Subsea Limited
- Matthew H Tibbitts
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Electrically operated hydraulic valve
- Patent number 8,210,208
- Issue date Jul 3, 2012
- Aker Subsea Limited
- Matthew H Tibbitts
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
ELECTRICALLY OPERATED HYDRAULIC VALVE
- Publication number 20100065766
- Publication date Mar 18, 2010
- AKER KVAERNER SUBSEA LIMITED
- Matthew H. Tibbitts
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HYDRAULIC VALVES WITH INTEGRAL SEALS
- Publication number 20090229693
- Publication date Sep 17, 2009
- Matthew Henry Tibbetts
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...