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David Hoover
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Hamilton, CA
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Patents Grants
last 30 patents
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Patent Grant
Pile driving control apparatus and pile driving system
Patent number
7,404,449
Issue date
Jul 29, 2008
Bermingham Construction Limited
Patrick Donald Bermingham
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Pile driver with energy monitoring and control circuit
Patent number
7,156,188
Issue date
Jan 2, 2007
Bermingham Construction Limited
Patrick Bermingham
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Drill rod loader
Patent number
6,283,702
Issue date
Sep 4, 2001
Inco Limited
Paul Devlugt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Guided drilling system with shock absorber
Patent number
5,778,987
Issue date
Jul 14, 1998
Inco Limited
Gregory R. Baiden
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Pile driving control apparatus and pile driving system
Publication number
20070074881
Publication date
Apr 5, 2007
Bermingham Construction Limited
Patrick Donald Bermingham
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Pile driver with energy monitoring and control circuit
Publication number
20050023014
Publication date
Feb 3, 2005
Bermingham Construction Limited
Patrick Bermingham
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING