Wilhelm Ackermann

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Torque support for drives riding on trunnions, particularly for con...
- Patent number 5,003,835
- Issue date Apr 2, 1991
- Mannesmann Aktiengesellschaft
- Wilhelm Ackermann
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Force equalizing mechanism for the wheels of heavy load-carrying ra...
- Patent number 4,491,074
- Issue date Jan 1, 1985
- Mannesmann Aktiengesellschaft
- Wilhelm Ackermann
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Tilt drive for metallurgical vessels
- Patent number 4,478,102
- Issue date Oct 23, 1984
- Mannesmann Aktiengesellschaft
- Wilhelm Ackermann
- C21 - METALLURGY OF IRON
Information Patent Grant
Torque support
- Patent number 4,467,666
- Issue date Aug 28, 1984
- Mannesmann Aktiengesellschaft
- Wilhelm Ackermann
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for locking a converter tilting gear during a blasting op...
- Patent number 4,215,852
- Issue date Aug 5, 1980
- DEMAG, Aktiengesellschaft
- Wilhelm Ackermann
- C21 - METALLURGY OF IRON