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Planetary Rotor Engine Company
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Selburne, VT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Planetary rotary engine with rotary ring valves
Patent number
10,145,243
Issue date
Dec 4, 2018
Planetary Rotor Engine Company
William Bennett Ribbens
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Planetary rotary engine
Patent number
8,356,585
Issue date
Jan 22, 2013
Planetary Rotor Engine Company
Richard B. Hathaway
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
PLANETARY ROTARY ENGINE WITH ROTARY RING VALVES
Publication number
20160281595
Publication date
Sep 29, 2016
Planetary Rotor Engine Company
William Bennett Ribbens
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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last 30 trademarks