Christopher J. PREECE

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Derby, GB

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Patents Grantslast 30 patents

Information Patent Grant
Cutting electrode head for a handheld electrical discharge machinin...
- Patent number 11,858,055
- Issue date Jan 2, 2024
- Rolls-Royce PLC
- Christopher J. Preece
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electric discharge machining assembly
- Patent number 11,491,566
- Issue date Nov 8, 2022
- Rolls-Royce PLC
- Christopher J. Preece
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
SPLINE CLEANING DEVICE
- Publication number 20230149979
- Publication date May 18, 2023
- ROLLS-ROYCE PLC
- Christopher J. PREECE
- B08 - CLEANING
Information Patent Application
CUTTING ELECTRODE HEAD FOR A HANDHELD ELECTRICAL DISCHARGE MACHININ...
- Publication number 20210107079
- Publication date Apr 15, 2021
- Rolls-Royce plc
- Christopher J. PREECE
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ASSEMBLY AND A METHOD OF USING THE ASSEMBLY
- Publication number 20200398358
- Publication date Dec 24, 2020
- Rolls-Royce plc
- Christopher J. PREECE
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR