Patents by Inventor Kenneth E. Hopkinson

Kenneth E. Hopkinson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4938173
    Abstract: A fluid system for example for steam raising comprising a flow control device (20), means (28) to supply a head of fluid to the flow control device (20), and at least one fluid using means such as a flash boiler (12-14), the flow control device (20) comprising a chamber (48), an inlet (49) to the chamber from the fluid supply means (28), and an outlet (21-23) from the chamber (48), a valve means (40) associated with the outlet (21-23) operable to direct fluid from the outlet (21-23) either to the fluid using means (12-14) or to a relief means (43-45).
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: July 3, 1990
    Assignee: Cubit Limited
    Inventor: Kenneth E. Hopkinson