Peter Geoffrey GRAY

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WILTSHIRE, GB

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Patents Grantslast 30 patents

Information Patent Grant
Process for the manufacturing of a reinforced membrane-seal assembly
- Patent number 10,218,022
- Issue date Feb 26, 2019
- Johnson Matthey Fuel Cells Limited
- David Edward Barnwell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Membrane-seal assembly
- Patent number 10,186,720
- Issue date Jan 22, 2019
- Johnson Matthey Fuel Cells Limited
- David Edward Barnwell
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MEMBRANE AND PROCESS
- Publication number 20230352713
- Publication date Nov 2, 2023
- JOHNSON MATTHEY HYDROGEN TECHNOLOGIES LIMITED
- David Edward BARNWELL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MEMBRANE AND PROCESS
- Publication number 20200303753
- Publication date Sep 24, 2020
- David Edward BARNWELL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MEMBRANE-SEAL ASSEMBLY
- Publication number 20170110742
- Publication date Apr 20, 2017
- JOHNSON MATTHEY FUEL CELLS LIMITED
- David Edward BARNWELL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROCESS
- Publication number 20170098844
- Publication date Apr 6, 2017
- JOHNSON MATTHEY FUEL CELLS LIMITED
- David Edward BARNWELL
- H01 - BASIC ELECTRIC ELEMENTS