Patents by Inventor Stephen Ellis Ormrod

Stephen Ellis Ormrod 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).

  • Seal assemblies
    Patent number: 6708984
    Abstract: A seal assembly comprising a main O-ring seal element for engaging in a fluid tight manner opposed surfaces of two objects to be sealingly connected together and a barrier element positioned to protect all or a substantial portion of the surface of the main O-ring seal element against contact by the fluid when passing through the seal assembly from one object to the other object.
    Type: Grant
    Filed: October 26, 2000
    Date of Patent: March 23, 2004
    Assignee: The BOC Group plc
    Inventors: Phillip North, Stephen Ellis Ormrod, Christopher Mark Bailey