Gerhardus J. Mulder

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the aluminothermic welding of rails with alloying of th...
- Patent number 6,227,282
- Issue date May 8, 2001
- Elektro-Thermit GmbH
- Frank Kuster
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for the aluminothermic welding of rails with alloying of th...
- Patent number 6,125,913
- Issue date Oct 3, 2000
- Elektro-Thermit GmbH
- Gerhardus Johannes Mulder
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Aluminothermic mixture with ferrochromium alloy
- Patent number 5,944,914
- Issue date Aug 31, 1999
- Elektro-Thermit GmbH
- Georg Frommeyer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for raising welded rail connections lying below the travelin...
- Patent number 5,486,245
- Issue date Jan 23, 1996
- Elektro-Thermit GmbH
- Gerhardus J. Mulder
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR