Hans Guntermann

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for improving service life of thermite rail welds
- Patent number 5,377,959
- Issue date Jan 3, 1995
- Orgo-Thermut Inc.
- Gordon O. Besch
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for improving service life of rail welds by aluminothermic h...
- Patent number 5,306,361
- Issue date Apr 26, 1994
- Gordon O. Besch
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of cast-welding between finely pearlitized rails
- Patent number 5,078,200
- Issue date Jan 7, 1992
- Elektro-Thermit GmbH
- Hans Guntermann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for grinding the running and/or guide surfaces...
- Patent number 5,031,365
- Issue date Jul 16, 1991
- Elektro-Thermit GmbH
- Gerhard Arndt
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Self-opening closure for a casting crucible used in aluminothermic...
- Patent number 4,522,322
- Issue date Jun 11, 1985
- Elektro-Thermit GmbH
- Hans Guntermann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Corrugation-free rail
- Patent number 4,389,015
- Issue date Jun 21, 1983
- Elektro-Thermit GmbH
- Hans Guntermann
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES