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Marlborough, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Personal impact protection device
Patent number
11,805,826
Issue date
Nov 7, 2023
WB Development Company, LLC
Walter T. Bonin
A41 - WEARING APPAREL
Information
Patent Grant
Air-fuel system for a circulating piston engine
Patent number
11,719,187
Issue date
Aug 8, 2023
WB Development Company, LLC
Walter T. Bonin
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Circulating piston engine
Patent number
11,215,112
Issue date
Jan 4, 2022
WB Development Company, LLC
Walter T. Bonin
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Circulating piston engine having a rotary valve assembly
Patent number
11,098,588
Issue date
Aug 24, 2021
WB Development Company LLC
Walter T. Bonin
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Circulating piston engine
Patent number
10,876,469
Issue date
Dec 29, 2020
WB Development Company, LLC
Walter T. Bonin
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Personal impact protection device
Patent number
10,321,724
Issue date
Jun 18, 2019
WB Development Company, LLC
Walter Bonin
A42 - HEADWEAR
Information
Patent Grant
Circulating piston engine having a rotary valve assembly
Patent number
10,260,346
Issue date
Apr 16, 2019
WB Development Company, LLC
Walter T. Bonin
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Circulating piston engine
Patent number
9,850,759
Issue date
Dec 26, 2017
WB Development Company LLC
Walter T. Bonin
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
Information
Patent Application
IMPACT PROTECTION DEVICE AND METHOD OF ASSEMBLY
Publication number
20240138507
Publication date
May 2, 2024
WB Development Company, LLC
Walter T. Bonin
A42 - HEADWEAR
Information
Patent Application
Piston Sealing Mechanism for a Circulating Piston Engine
Publication number
20230046714
Publication date
Feb 16, 2023
WB Development Company LLC
Walter T. Bonin
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
AIR-FUEL SYSTEM FOR A CIRCULATING PISTON ENGINE
Publication number
20220290629
Publication date
Sep 15, 2022
WB Development Company, LLC
Walter T. Bonin
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Circulating Piston Engine
Publication number
20210087970
Publication date
Mar 25, 2021
WB Development Company LLC
Walter T. Bonin
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Circulating Piston Engine
Publication number
20200332708
Publication date
Oct 22, 2020
WB Development Company LLC
Walter T. Bonin
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
AIR-FUEL SYSTEM FOR A CIRCULATING PISTON ENGINE
Publication number
20200141350
Publication date
May 7, 2020
WB Development Company, LLC
Walter T. Bonin
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Personal Impact Protection Device
Publication number
20190297965
Publication date
Oct 3, 2019
WB Development Company LLC
Walter T. Bonin
A41 - WEARING APPAREL
Information
Patent Application
CIRCULATING PISTON ENGINE HAVING A ROTARY VALVE ASSEMBLY
Publication number
20190242259
Publication date
Aug 8, 2019
WB Development Company, LLC
Walter T. Bonin
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Circulating Piston Engine
Publication number
20180135511
Publication date
May 17, 2018
WB Development Company LLC
Walter T. Bonin
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
CIRCULATING PISTON ENGINE HAVING A ROTARY VALVE ASSEMBLY
Publication number
20160281596
Publication date
Sep 29, 2016
WB Development Company, LLC
Walter T. Bonin
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Knee Brace Assembly
Publication number
20150148726
Publication date
May 28, 2015
WB Development Company, LLC
Walter T. Bonin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Circulating Piston Engine
Publication number
20140182534
Publication date
Jul 3, 2014
WB Development Company LLC
Walter T. Bonin
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Circulating Piston Engine
Publication number
20140182542
Publication date
Jul 3, 2014
WB Development Company LLC
Walter T. Bonin
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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