Hendrikus Peter van der Waal

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Den Haag, NL

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Patents Applicationslast 30 patents

Information Patent Application
COMBUSTION ENGINE OF THE IMPULSE TYPE
- Publication number 20090025677
- Publication date Jan 29, 2009
- Hendrikus Peter van der Waal
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Pneumatic Operating Driving Device
- Publication number 20090000266
- Publication date Jan 1, 2009
- Hendrikus Peter van der Waal
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS