Charles L. Guild

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Barrington, RI, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulically operated mandrels
- Patent number 4,430,024
- Issue date Feb 7, 1984
- American Pile Driving Corporation
- Charles L. Guild
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Composite pile and tapered concrete tip therefor
- Patent number 4,075,859
- Issue date Feb 28, 1978
- Charles L. Guild
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Expansible mandrel with an external, cable actuating winch
- Patent number 4,074,539
- Issue date Feb 21, 1978
- Charles L. Guild
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Rotary fluid supply joints for expansible mandrels
- Patent number 4,057,970
- Issue date Nov 15, 1977
- Charles L. Guild
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Composite pile having the inside diameter of the tip less than that...
- Patent number 4,036,025
- Issue date Jul 19, 1977
- Charles L. Guild
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Expansible mandrel
- Patent number 4,026,117
- Issue date May 31, 1977
- Charles L. Guild
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tapered pile tips
- Patent number 4,006,600
- Issue date Feb 8, 1976
- Charles L. Guild
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING