Richard G. Gandy

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Grand Prairie, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Well cementing method using an AM/AMPS fluid loss additive blend
- Patent number 4,632,186
- Issue date Dec 30, 1986
- Hughes Tool Company
- Virgilio G. Boncan
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cold set cement composition and method
- Patent number 4,482,379
- Issue date Nov 13, 1984
- Hughes Tool Company
- Benton L. Dibrell
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Zero free water cement composition and method
- Patent number 4,381,034
- Issue date Apr 26, 1983
- BJ-Hughes Inc.
- Rudolf J. Novotny
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Expansive admixture
- Patent number 4,332,619
- Issue date Jun 1, 1982
- BJ-Hughes Inc.
- Richard G. Gandy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of making lightweight cement slurries and their uses
- Patent number 4,050,948
- Issue date Sep 27, 1977
- BJ-Hughes Inc.
- Richard G. Gandy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES