Patents by Inventor Nigel Harrison

Nigel Harrison 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).

  • Telescopic booms
    Patent number: 5731987
    Abstract: An operating system for telescoping a telescopic boom for a crane, particularly a boom having three or more telescoping sections, enabling the boom to be extended and retracted automatically under load according to a predetermined sequence which optimises the load capacity of the boom and the stability of the crane. The boom may be switched rapidly between modes of operation in one of which all of the telescoping sections may extend or retract and in another of which at least one telescoping section is maintained in the fully retracted position.
    Type: Grant
    Filed: June 20, 1996
    Date of Patent: March 24, 1998
    Assignee: Kidde Industries, Inc.
    Inventors: John Strong, Peter Clark, Nigel Harrison, Christopher Watson
  • Inhaler device
    Patent number: D460173
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: July 9, 2002
    Assignee: P.A. Knowledge Limited
    Inventor: Nigel Harrison
  • Ruler
    Patent number: D478519
    Type: Grant
    Filed: September 4, 2002
    Date of Patent: August 19, 2003
    Inventor: Nigel Harrison Black