John W Allen

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Rolleston on Dove, GB

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Patents Grantslast 30 patents

Information Patent Grant
Ducted fan gas turbine engine with frangible connection
- Patent number 6,494,032
- Issue date Dec 17, 2002
- Rolls-Royce PLC
- Kenneth F Udall
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Bearing damper
- Patent number 6,431,756
- Issue date Aug 13, 2002
- Rolls-Royce PLC
- Alan R Maquire
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Turbofan with frangible rotor support
- Patent number 6,109,022
- Issue date Aug 29, 2000
- Rolls-Royce plc
- John W. Allen
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Ducted fan gas turbine engine
- Patent number 6,098,399
- Issue date Aug 8, 2000
- Rolls-Royce plc
- Martyn Richards
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Ducted fan gas turbine engine having a frangible connection
- Patent number 6,009,701
- Issue date Jan 4, 2000
- Rolls-Royce, PLC
- Christopher Freeman
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Ducted fan gas turbine engine
- Publication number 20010020361
- Publication date Sep 13, 2001
- Kenneth F. Udall
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Bearing damper
- Publication number 20010009592
- Publication date Jul 26, 2001
- Alan R. Maquire
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...