William Gruet

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Versailles, FR

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Patents Grantslast 30 patents

Information Patent Grant
Rotary-piston engine
- Patent number 9,771,934
- Issue date Sep 26, 2017
- William Gruet
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
ROTARY-PISTON ENGINE
- Publication number 20150093278
- Publication date Apr 2, 2015
- William Gruet
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...