Norbert Rolff

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Horrem, DE

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Patents Grantslast 30 patents

Information Patent Grant
Piston compressor
- Patent number 7,415,829
- Issue date Aug 26, 2008
- Oerlikon Leybold Vacuum GmbH
- Norbert Rolff
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Piston compressor
- Publication number 20060090477
- Publication date May 4, 2006
- LEYBOLD VAKUUM GmbH
- Norbert Rolff
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...