John David Webster

Follow

Person

St. Austell, GB

People

Patents Grantslast 30 patents

Information Patent Grant
System for pumping an abrasive or corrosive fluid
- Patent number 4,304,527
- Issue date Dec 8, 1981
- English Clays Lovering Pochin & Company Ltd.
- Thomas J. Jewell
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method of lining pipes, molds or other tubular articles with thermo...
- Patent number 4,107,254
- Issue date Aug 15, 1978
- English Clay Lovering Pochin & Co. Ltd.
- John David Webster
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Method of lining pipes
- Patent number 4,101,623
- Issue date Jul 18, 1978
- English Clays Lovering Pochin & Co. Ltd.
- John David Webster
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...