Patents by Inventor James M. G. Tildesley

James M. G. Tildesley 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).

  • Diecast screwthreaded inserts and method of making them
    Patent number: 4842462
    Abstract: A screwthreaded insert comprises a series of generally cylindrical body portions provided with inclined ribs or teeth, with the teeth of one portion extending in the opposite direction to those of the next adjacent portion, and the successive toothed portions being separated by grooves. The fastener is made by diecasting, and a pair of flats is formed on opposite sides of a diameter of the body.
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: June 27, 1989
    Assignee: P.S.M. Fasteners Limited
    Inventor: James M. G. Tildesley
  • Method of making diecast inserts
    Patent number: 4825932
    Abstract: A screwthreaded insert comprises a series of generally cylindrical body portions provided with inclined ribs or teeth, with the teeth of one portion extending in the opposite direction to those of the next adjacent portion, and the successive toothed portions being separated by grooves. The fastener is made by diecasting, and a pair of flats is formed on opposite sides of a diameter of the body.
    Type: Grant
    Filed: January 21, 1988
    Date of Patent: May 2, 1989
    Inventor: James M. G. Tildesley