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Daniel P. Hoyer
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Palm Desert, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Dual gasket lined pipe connector
Patent number
5,566,986
Issue date
Oct 22, 1996
Union Oil Company of California
William C. Allen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Dual gasket lined pipe connector
Patent number
5,405,171
Issue date
Apr 11, 1995
Union Oil Company of California
William C. Allen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Process for using sludge from geothermal brine to make concrete and...
Patent number
4,900,360
Issue date
Feb 13, 1990
Union Oil Company of California
Olin D. Whitescarver
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for the production of usable steam and non-toxic solids from...
Patent number
4,869,066
Issue date
Sep 26, 1989
Union Oil Company of California
D. Stephen Pye
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Method for the production of useable steam and non-toxic solids fro...
Patent number
4,763,479
Issue date
Aug 16, 1988
Union Oil Co. of California
Daniel P. Hoyer
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Process for using sludge from geothermal brine to make concrete and...
Patent number
4,761,182
Issue date
Aug 2, 1988
Union Oil Co. of California
Olin D. Whitescarver
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES