Douglas J. Platts

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Worksop, GB

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Patents Grantslast 30 patents

Information Patent Grant
Closure for pipes or pressure vessels and a seal therefor
- Patent number 4,422,651
- Issue date Dec 27, 1983
- General Descaling Company Limited
- Douglas J. Platts
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Closure for pipes or pressure vessels
- Patent number 4,140,240
- Issue date Feb 20, 1979
- General Descaling Company Limited
- Douglas J. Platts
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Closure member
- Patent number 4,102,474
- Issue date Jul 25, 1978
- General Descaling Company Limited
- Douglas John Platts
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...