Peter Ronnberg

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Seeshaupt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Rotary piston internal combustion engine
- Patent number 5,740,765
- Issue date Apr 21, 1998
- Pelz; Peter
- Wilfried Ball
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Lobed rotor machine
- Patent number 5,569,027
- Issue date Oct 29, 1996
- Peter Pelz
- Wilfried Ball
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES