the backing means being expandable

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for joining sections of pipe
- Patent number 8,835,808
- Issue date Sep 16, 2014
- John M. Boatner
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Weld shielding device for automated welding of impellers and blisks
- Patent number 7,247,000
- Issue date Jul 24, 2007
- Honeywell International, Inc.
- Christopher L. Cahoon
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Weld suporting ring for pipes
- Patent number 5,110,031
- Issue date May 5, 1992
- Atlantic Point Inc.
- Fernando Rinaldi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Welding apparatus
- Patent number 4,682,724
- Issue date Jul 28, 1987
- Helmut Hahn
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
2694376
- Patent number 2,694,376
- Issue date Nov 16, 1954
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
1846438
- Patent number 1,846,438
- Issue date Feb 23, 1932
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR