Patents by Inventor Richard Entwistle

Richard Entwistle 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).

  • Publication number: 20060266959
    Abstract: The invention concerns a valve arrangement (1) with a housing (2), an inlet connection (3) and an outlet connection (4), which are connected with each other via a flow path, in which is located a dosing device (5), which has a valve seat (7) and a valve element (6) interacting with the valve seat (7), the valve element (6) being loaded in the direction of the valve seat (7) by a resetting device (8) and being acted upon on the side facing the valve seat (7) by a pressure in a first pressure chamber (9), said pressure corresponding to the pressure in the inlet connection (3), when the dosing device (5) is closed, and on the side facing away from the valve seat (7) by the pressure in a second pressure chamber (11), which is connected with the outlet connection (4) via a channel arrangement (14), in which is located at least one auxiliary valve (15), and with the first pressure chamber (9) via a throttle (13). It is endeavoured to reliably ensure that the closing device (5) opens.
    Type: Application
    Filed: September 28, 2004
    Publication date: November 30, 2006
    Inventors: Richard Entwistle, Erik Haugaard
  • Patent number: D358744
    Type: Grant
    Filed: March 25, 1994
    Date of Patent: May 30, 1995
    Assignee: Le Creuset S.A.
    Inventor: Richard Entwistle
  • Patent number: D359213
    Type: Grant
    Filed: March 25, 1994
    Date of Patent: June 13, 1995
    Assignee: Le Creuset, S.A.
    Inventor: Richard Entwistle
  • Patent number: D360525
    Type: Grant
    Filed: March 25, 1994
    Date of Patent: July 25, 1995
    Assignee: Le Creuset S.A.
    Inventor: Richard Entwistle
  • Patent number: D364324
    Type: Grant
    Filed: March 25, 1994
    Date of Patent: November 21, 1995
    Assignee: Le Creuset S.A.
    Inventor: Richard Entwistle