Patents by Inventor Rodney J. Clarke

Rodney J. Clarke 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: 4907749
    Abstract: A coupling between parts subject to differential expansion and contraction comprising first and second sealing abutments and an intervening constraint on relative movement whereby differential movements provide a self-compensating tightening and loosening of the sealing abutments. The coupling is especially useful for joining tubular parts such as caps or spray nozzles in containers for agricultural chemicals.
    Type: Grant
    Filed: July 19, 1983
    Date of Patent: March 13, 1990
    Assignee: Imperial Chemical Industries PLC
    Inventors: Peter C. Bennett, Rodney J. Clarke
  • Patent number: 4838491
    Abstract: A coupling between parts subject to differential expansion and contraction comprising first and second sealing abutments and an intervening constraint on relative movement whereby differential movements provide a self-compensating tightening and loosening of the sealing abutments. The coupling is especially useful for joining tubular parts such as caps or spray nozzles in containers for agricultural chemicals.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: June 13, 1989
    Assignee: Imperial Chemical Industries PLC
    Inventors: Peter C. Bennett, Rodney J. Clarke