Christopher G. Kelsey

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Sydney, AU

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Patents Grantslast 30 patents

Information Patent Grant
Proportional flow control valve
- Patent number 4,889,317
- Issue date Dec 26, 1989
- Geoflow International Pty. Limited
- Christopher G. Kelsey
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve and valve roller sealing
- Patent number 4,858,887
- Issue date Aug 22, 1989
- Geoflow International Pty. Limited
- Christopher G. Kelsey
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve
- Patent number 4,842,245
- Issue date Jun 27, 1989
- Geoflow International Pty. Limited
- Christopher G. Kelsey
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...