Christopher John Biddulph

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Lichfield, Staffordshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Rotary engine rotor with lip and a recess on the flank
- Patent number 11,459,890
- Issue date Oct 4, 2022
- UAV Engines Ltd.
- Roy Richmond
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Cooling of internal combustion engines
- Patent number 10,513,965
- Issue date Dec 24, 2019
- UAV Engines Ltd.
- Christopher John Biddulph
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Cooling of internal combustion engines
- Patent number 10,253,677
- Issue date Apr 9, 2019
- UAV Engines Ltd.
- Christopher John Biddulph
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Rotary engine rotor
- Patent number 9,518,658
- Issue date Dec 13, 2016
- UAV Engines Ltd.
- Christopher John Biddulph
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine muffler
- Patent number D614103
- Issue date Apr 20, 2010
- UAV Engines Limited
- Christopher John Biddulph
- D12 - Transportation

Patents Applicationslast 30 patents

Information Patent Application
Rotary Engine Rotor
- Publication number 20200270991
- Publication date Aug 27, 2020
- UAV ENGINES LTD.
- Roy Richmond
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Cooling of Internal Combustion Engines
- Publication number 20180087436
- Publication date Mar 29, 2018
- UAV ENGINES LTD.
- Christopher John Biddulph
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Rotary Engine Rotor
- Publication number 20170167368
- Publication date Jun 15, 2017
- UAV Engines Ltd.
- Roy Richmond
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Cooling of Internal Combustion Engines
- Publication number 20160153342
- Publication date Jun 2, 2016
- UAV ENGINES LTD
- Christopher John Biddulph
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Rotary Engine Rotor
- Publication number 20140069273
- Publication date Mar 13, 2014
- UAV ENGINES LTD.
- Christopher John Biddulph
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
FUEL HEATING APPARATUS
- Publication number 20100242926
- Publication date Sep 30, 2010
- Christopher John Biddulph
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...