David E. Merker

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Minerva, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for explosively welding a sleeve into a heat exchanger tube
- Patent number 5,038,994
- Issue date Aug 13, 1991
- The Babcock & Wilcox Company
- Joel G. Feldstein
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for explosively welding a sleeve into a heat exchanger tube
- Patent number 5,022,148
- Issue date Jun 11, 1991
- The Babcock & Wilcox Company
- Joel G. Feldstein
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for controlling weld bead shape to eliminate m...
- Patent number 4,782,206
- Issue date Nov 1, 1988
- The Babcock & Wilcox Company
- Paul S. Ayres
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for tube expansion
- Patent number 4,672,832
- Issue date Jun 16, 1987
- The Babcock & Wilcox Company
- David E. Merker
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Explosive welding device
- Patent number 4,583,672
- Issue date Apr 22, 1986
- The Babcock & Wilcox Company
- Henry Q. Bibb
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR