Garrj Berstein

Follow

Person

Erkelenz, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Boring tool with floating blades
- Patent number 4,289,431
- Issue date Sep 15, 1981
- Wilhelm Hegenscheidt GmbH
- Garrj Berstein
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Boring tool for boring holes of substantial length
- Patent number 4,264,246
- Issue date Apr 28, 1981
- W. Hegenscheidt Gesellschaft mbH
- Clemens Lowis
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Boring tool with a floating knife
- Patent number 4,240,770
- Issue date Dec 23, 1980
- W. Hegenscheidt Gesellschaft mbH
- Garrj Berstein
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Boring tool with floating double edged knife
- Patent number 4,195,957
- Issue date Apr 1, 1980
- Wilhelm Hegenscheidt Gesellschaft mit beschraenkter Haftung
- Helmut Wittkopp
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for finish rolling workpieces of substantially...
- Patent number 4,167,106
- Issue date Sep 11, 1979
- Wilhelm Hegenscheidt GmbH
- Garrj Berstein
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...