Michael R. Walsh

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Weathersfield, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Debris separator for dredge or slurry pump
- Patent number 6,003,251
- Issue date Dec 21, 1999
- The United States of America as represented by the Secretary of the Army
- Michael R. Walsh
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Debris exclusion devices for an augerhead type hydraulic dredge system
- Patent number 5,651,200
- Issue date Jul 29, 1997
- The United States Corps of Engineers as represented by the Secretary of the Army
- Michael Richard Walsh
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Trailable snow plow for off road use
- Patent number 5,245,771
- Issue date Sep 21, 1993
- The United States of America as represented by the Secretary of the Army
- Michael R. Walsh
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Ice auger extractor for retrieving augers or similar devices from a...
- Patent number 4,944,543
- Issue date Jul 31, 1990
- The United States of America as represented by the Secretary of the Army
- Michael R. Walsh
- E21 - EARTH DRILLING MINING