David Doolaege

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Carlotta, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Water containment structure with finger ends
- Patent number 9,828,736
- Issue date Nov 28, 2017
- David Doolaege
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Water containment structure with fish ladder
- Patent number 6,905,287
- Issue date Jun 14, 2005
- David Doolaege
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Water containment structure
- Patent number 6,783,300
- Issue date Aug 31, 2004
- David Doolaege
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Flexible hydraulic structure and system for replacing a damaged por...
- Patent number 6,481,928
- Issue date Nov 19, 2002
- David Doolaege
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Flexible hydraulic structure with right angle tube fitted therethrough
- Patent number 6,364,571
- Issue date Apr 2, 2002
- David Doolaege
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Apparatus and a method for joining water structure sections or the...
- Patent number 5,059,065
- Issue date Oct 22, 1991
- David Doolaege
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
WATER CONTAINMENT STRUCTURE WITH FINGER ENDS
- Publication number 20170241092
- Publication date Aug 24, 2017
- David Doolaege
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WATER CONTAINMENT STRUCTURE WITH FINGER ENDS
- Publication number 20150308064
- Publication date Oct 29, 2015
- David Doolaege
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Water containment structure
- Publication number 20100003081
- Publication date Jan 7, 2010
- David Doolaege
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Water containment structure with fish ladder
- Publication number 20040247395
- Publication date Dec 9, 2004
- David Doolaege
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WATER CONTAINMENT STRUCTURE
- Publication number 20040146359
- Publication date Jul 29, 2004
- David Doolaege
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING