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Patents Grantslast 30 patents

Information Patent Grant
Pipe joint, pipe and method of joining pipe sections
- Patent number 11,940,068
- Issue date Mar 26, 2024
- Construction Research & Technology GmbH
- Frank Apicella
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Process for the continuous production of pipe from particulate mate...
- Patent number 4,685,873
- Issue date Aug 11, 1987
- Owens-Corning Fiberglas Corporation
- G. Fred Willard
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
3259533
- Patent number 3,259,533
- Issue date Jul 5, 1966
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
3223571
- Patent number 3,223,571
- Issue date Dec 14, 1965
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
3074605
- Patent number 3,074,605
- Issue date Jan 22, 1963
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
2554755
- Patent number 2,554,755
- Issue date May 29, 1951
- B28 - WORKING CEMENT, CLAY, OR STONE