with fluid means to modify the section

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Patents Grantslast 30 patents

Information Patent Grant
Inflatable cavity fill or cavity forming member
- Patent number 10,197,194
- Issue date Feb 5, 2019
- Lake Products Limited
- Andrew Leo Haynes
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method for forming cavities of complex configuration within concrete
- Patent number 7,300,610
- Issue date Nov 27, 2007
- Federico Loeffler-Lenz
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus and method for anchoring and erecting concrete or similar...
- Patent number 6,345,472
- Issue date Feb 12, 2002
- Warren Taylor
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Flexible form member and method of forming through hole by means of...
- Patent number 5,608,991
- Issue date Mar 11, 1997
- Senji Yamashita
- E04 - BUILDING
Information Patent Grant
Pneumatically controlled rigid core-former
- Patent number 4,060,218
- Issue date Nov 29, 1977
- Kandiah Tharma Nayagam
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
3518331
- Patent number 3,518,331
- Issue date Jun 30, 1970
- E04 - BUILDING
Information Patent Grant
3453788
- Patent number 3,453,788
- Issue date Jul 8, 1969
- E04 - BUILDING
Information Patent Grant
3441242
- Patent number 3,441,242
- Issue date Apr 29, 1969
- E04 - BUILDING
Information Patent Grant
2648116
- Patent number 2,648,116
- Issue date Aug 11, 1953
- E04 - BUILDING