Walter Ritt

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive cutter containing diamond particles and a method for produ...
- Patent number 6,238,280
- Issue date May 29, 2001
- Hilti Aktiengesellschaft
- Walter Ritt
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Composite cutting body, containing diamond particles and methods fo...
- Patent number 6,176,888
- Issue date Jan 23, 2001
- Hilti Aktiengesellschaft
- Walter Ritt
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Cutter member for material removal tool
- Patent number 5,876,845
- Issue date Mar 2, 1999
- Hilti Aktiengesellschaft
- Eugen Magyari
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Hollow drilling tool
- Patent number 5,069,584
- Issue date Dec 3, 1991
- Hilti Aktiengesellschaft
- Josef Obermeier
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Cutter elements for hollow drill bit
- Patent number 4,915,182
- Issue date Apr 10, 1990
- Hilti Aktiengesellschaft
- Eugen Magyari
- B28 - WORKING CEMENT, CLAY, OR STONE