Dean Jeffrey Stephens

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Cheltenham, GB

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Patents Grantslast 30 patents

Information Patent Grant
Float operated devices
- Patent number 6,174,138
- Issue date Jan 16, 2001
- Spirax-Sargo, Limited
- Dean Jeffrey Stephens
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Overcenter mechanism for a pressure powered pump
- Patent number 5,941,691
- Issue date Aug 24, 1999
- Spirax-Sarco, Limited
- Dean Jeffrey Stephens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...