John B. Brownell

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Derbyshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Friction welding process
- Patent number 7,419,082
- Issue date Sep 2, 2008
- Rolls-Royce PLC
- John B Brownell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Disk for a blisk rotary stage of a gas turbine engine
- Patent number 6,524,072
- Issue date Feb 25, 2003
- Rolls-Royce PLC
- John B Brownell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for the manufacture or repair of a blisk by linear friction...
- Patent number 6,095,402
- Issue date Aug 1, 2000
- Rolls-Royce plc
- John B Brownell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Solid oxide fuel cell stack
- Patent number 5,595,833
- Issue date Jan 21, 1997
- Rolls-Royce plc
- Frederick J. Gardner
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Solid oxide fuel cell stack
- Patent number 5,554,454
- Issue date Sep 10, 1996
- Rolls-Royce plc
- Frederick J. Gardner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solid oxide fuel cell stack
- Patent number 5,486,428
- Issue date Jan 23, 1996
- Rolls-Royce plc
- Frederick J. Gardner
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Friction welding process
- Publication number 20050156011
- Publication date Jul 21, 2005
- John B. Brownell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR