Herbert Keller

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4330 Mulheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for cooling a low pressure steam turbine operating in the ve...
- Patent number 5,490,386
- Issue date Feb 13, 1996
- Siemens Aktiengesellschaft
- Herbert Keller
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Axial-admission steam turbine, especially of double-flow construction
- Patent number 4,571,153
- Issue date Feb 18, 1986
- Kraftwerk Union Aktiengesellschaft
- Herbert Keller
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Device for vibration damping in a guide vane ring
- Patent number 4,497,611
- Issue date Feb 5, 1985
- Kraftwerk Union Aktiengesellschaft
- Herbert Keller
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Peak load device of a multistage turbine
- Patent number 4,373,340
- Issue date Feb 15, 1983
- Herbert Keller
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Screening member for separating solids from gaseous media
- Patent number 4,198,220
- Issue date Apr 15, 1980
- Kraftwerk Union Aktiengesellschaft
- Herbert Keller
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL