Richard C. Cowley

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Ely, GB

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Patents Grantslast 30 patents

Information Patent Grant
Method of making extrudate blanks
- Patent number 5,679,293
- Issue date Oct 21, 1997
- Barwell International Limited
- Richard Charles Cowley
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Hydraulic ram operated extruders
- Patent number 5,486,104
- Issue date Jan 23, 1996
- Barwell International Limited
- Richard C. Cowley
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Extrusion apparatus
- Patent number 4,850,839
- Issue date Jul 25, 1989
- Barwell International Limited
- Richard Cowley
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
RAM Extruders
- Patent number 4,565,512
- Issue date Jan 21, 1986
- Barwell Machine and Rubber Group Limited
- Peter R. Wills
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL