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William Gregory Buchanan
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King George, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Rotary combustion engine
Patent number
12,168,954
Issue date
Dec 17, 2024
USA as rep by the Secretary of the Navy
William Gregory Buchanan
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Rotary pump
Patent number
12,065,960
Issue date
Aug 20, 2024
United States of America, as represented by the Secretary of the Navy
William Gregory Buchanan
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Rotary internal combustion engine
Patent number
11,913,374
Issue date
Feb 27, 2024
United States of America, as represented by the Secretary of the Navy Chief o...
William Gregory Buchanan
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Vane drive rotary combustion engine
Patent number
11,585,221
Issue date
Feb 21, 2023
United States of America, as represented by the Secretary of the Navy
William Gregory Buchanan
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Pivot valve for rotary internal combustion engine
Patent number
11,421,584
Issue date
Aug 23, 2022
United States of America, as represented by the Secretary of the Navy
Vincent J. Vendetti
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Rotary internal combustion engine
Patent number
11,143,098
Issue date
Oct 12, 2021
United States of America, as represented by the Secretary of the Navy
William Gregory Buchanan
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Rotary piston engine
Patent number
8,936,004
Issue date
Jan 20, 2015
The United States of America as represented by the Secretary of the Navy
William Gregory Buchanan
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Rotary Pump
Publication number
20230383691
Publication date
Nov 30, 2023
United States of America, as Represented by the Secretary of the Navy
William Gregory BUCHANAN
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS