Patents by Inventor John Edward Simpson

John Edward Simpson 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: 6530580
    Abstract: A lowerable suspension assembly for the deck of a vehicle is elevated and lowered by air springs between a travel position when the deck is horizontally disposed and a loading and unloading position when the deck is inclined and one end is in contact with a supporting ground surface.
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: March 11, 2003
    Inventor: John Edward Simpson
  • Patent number: 6093043
    Abstract: A connector (1) including a contact (3) for connecting to a mating half and a locking element (2), the locking element (2) having a locked position preventing connection or disconnection of the contact (3) with the mating half and an unlocked position preventing connection or disconnection, wherein transition between the locked and unlocked positions is governed by a spring means (5) formed as an integral part of the locking element (2), the spring means (5) being unbiased when the locking element (2) is in the locked position.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: July 25, 2000
    Assignee: ITT Manufacturing Enterprises, Inc.
    Inventors: Ian James Stafford Gray, John Edward Simpson