Michael Arnold Calvert

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Kirkcaldy, GB

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Patents Grantslast 30 patents

Information Patent Grant
Actuator end stop arrangement
- Patent number 5,191,808
- Issue date Mar 9, 1993
- Prime Actuator Control Systems Limited
- Michael A. Calvert
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Device containing a force-imparting means and equipped with safety...
- Patent number 4,883,262
- Issue date Nov 28, 1989
- Prime Actuator Control Systems Limited
- Michael A. Calvert
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Ball valves
- Patent number 4,318,420
- Issue date Mar 9, 1982
- TK Valve Limited
- Michael A. Calvert
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Ball valves
- Patent number 4,108,196
- Issue date Aug 22, 1978
- TK Valve Limited
- Michael Arnold Calvert
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...