Patents by Inventor Philip W. Gilbert

Philip W. Gilbert 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).

  • Leaf spring insert and method for assembling a leaf spring
    Patent number: 7182322
    Abstract: An insert disposed between two cooperating leaf springs. The insert includes a body including a stem having a plurality of radially extending ribs inserted into an aperture in a first leaf spring. The body includes a face which slidably engages a second leaf spring. The face includes a plurality of circular protrusions extending therefrom. A pin is inserted into a central bore formed by cooperating fingers that form the body, causing an outwardly extending radial retention force to be exerted onto the surface of the aperture in the first leaf spring.
    Type: Grant
    Filed: January 14, 2003
    Date of Patent: February 27, 2007
    Assignee: TransNav, Inc.
    Inventors: Percy P. Vreeken, Philip W. Gilbert
  • Leaf spring insert and method for assembling a leaf spring
    Publication number: 20030141639
    Abstract: An insert disposed between two cooperating leaf springs. The insert includes a body including a stem having a plurality of radially extending ribs inserted into an aperture in a first leaf spring. The body includes a face which slidably engages a second leaf spring. The face includes a plurality of circular protrusions extending therefrom. A pin is inserted into a central bore formed by cooperating fingers that form the body, causing an outwardly extending radial retention force to be exerted onto the surface of the aperture in the first leaf spring.
    Type: Application
    Filed: January 14, 2003
    Publication date: July 31, 2003
    Applicant: Mr. Percy P. Vreeken
    Inventors: Percy P. Vreeken, Philip W. Gilbert
  • Leaf spring insert and method for assembling a leaf spring
    Patent number: 6517059
    Abstract: An insert disposed between two cooperating leaf springs. The insert includes a body including a stem having a plurality of radially extending ribs inserted into an aperture in a first leaf spring. The body includes a face which slidably engages a second leaf spring. The face includes a plurality of circular protrusions extending therefrom. A pin is inserted into a central bore formed by cooperating fingers that form the body, causing an outwardly extending radial retention force to be exerted onto the surface of the aperture in the first leaf spring.
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: February 11, 2003
    Assignee: TransNav, Inc.
    Inventors: Percy P. Vreeken, Philip W. Gilbert