Robert D. Foster

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Molding apparatus and method
- Patent number 4,937,025
- Issue date Jun 26, 1990
- Hydra Corporation
- Robert D. Foster
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for manufacturing articles by pressing and sin...
- Patent number 4,470,803
- Issue date Sep 11, 1984
- Hydra Corporation
- Robert D. Foster
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Compacting press with expandable body
- Patent number 4,370,120
- Issue date Jan 25, 1983
- Robert D. Foster
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for manufacturing articles by pressing and sintering
- Patent number 4,349,326
- Issue date Sep 14, 1982
- Robert D. Foster
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method and apparatus for manufacturing articles by pressing and sin...
- Patent number 4,252,760
- Issue date Feb 24, 1981
- Robert D. Foster
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Apparatus for bending corrugated pipe
- Patent number 4,205,544
- Issue date Jun 3, 1980
- H. C. Price Co.
- Robert D. Foster
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...