John F. Leonard

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Bristol, GB

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Patents Grantslast 30 patents

Information Patent Grant
Rotor shroud assembly
- Patent number 5,330,321
- Issue date Jul 19, 1994
- Rolls-Royce plc
- Michael C. Roberts
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Turbine engines
- Patent number 5,295,787
- Issue date Mar 22, 1994
- Rolls-Royce plc
- John F. Leonard
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Shroud liners
- Patent number 5,192,185
- Issue date Mar 9, 1993
- Rolls-Royce plc
- John F. Leonard
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES