August W. Schafer

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Wilnsdorf-Wilden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for circumferentially corrugating a tube
- Patent number 4,366,691
- Issue date Jan 4, 1983
- August W. Schafer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Four-roller bending and rounding machine
- Patent number 4,312,208
- Issue date Jan 26, 1982
- Wilhelm Schafer Maschinenbau
- August W. Schafer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for joining and cladding pipe sections
- Patent number 4,295,592
- Issue date Oct 20, 1981
- Wilhelm Schafer Maschinenbau
- August W. Schafer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR