Harold F. Jarvis

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Moffat, CA

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Patents Grantslast 30 patents

Information Patent Grant
Oscillating line travel pipe cleaning machine
- Patent number 5,001,801
- Issue date Mar 26, 1991
- Shaw Industries Ltd.
- Harold F. Jarvis
- B08 - CLEANING
Information Patent Grant
Method of coating metal pipe having bending capability
- Patent number 4,785,854
- Issue date Nov 22, 1988
- Shaw Industries Ltd.
- Harold F. Jarvis
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Coated metal pipe having bending capability
- Patent number 4,759,390
- Issue date Jul 26, 1988
- Shaw Industries Ltd.
- Harold F. Jarvis
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Coated pipe having bending capability
- Patent number 4,611,635
- Issue date Sep 16, 1986
- Shaw Industries Ltd.
- Harold F. Jarvis
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of fabricating crosslinked thermoplastics articles
- Patent number 4,056,421
- Issue date Nov 1, 1977
- Shaw Pipe Industries Ltd.
- Harold F. Jarvis
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of thermally insulating pipe
- Patent number 3,979,818
- Issue date Sep 14, 1976
- Shaw Pipe Industries Ltd.
- Steve W. Groch
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL