Bernhard Kessel

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8073 Kosching, DE

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Patents Grantslast 30 patents

Information Patent Grant
Drain fitting with built-in pump
- Patent number 4,411,599
- Issue date Oct 25, 1983
- Bernhard Kessel
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Trap-type drain with built-in strainer
- Patent number 4,275,760
- Issue date Jun 30, 1981
- Bernhard Kessel
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Trap-type drain fitting
- Patent number 4,263,138
- Issue date Apr 21, 1981
- Bernhard Kessel
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Cleanout fitting with lockable and removable check valve
- Patent number 4,259,983
- Issue date Apr 7, 1981
- Bernhard Kessel
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Modular assembly for drain trap
- Patent number 4,198,717
- Issue date Apr 22, 1980
- Bernhard Kessel
- E03 - WATER SUPPLY SEWERAGE