Patents by Inventor Graeme K. Speirs

Graeme K. Speirs 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: 4412370
    Abstract: The clamp of the invention comprises two arcuate portions hinged to one another and formed with looped fingers which interlace when the clamp is closed whereupon the looped ends of the interlaced fingers define between them a tapered passage which receives a tapered pin. The pin is formed with holes distributed along the pin and at least one of the interlacing fingers is formed with a tab which is deformable to project into and engage one of the holes in the pin.
    Type: Grant
    Filed: June 21, 1982
    Date of Patent: November 1, 1983
    Inventor: Graeme K. Speirs
  • Patent number: 4367571
    Abstract: The clamp of the invention comprises a strip of flexible material formed at the ends with tongues which can be engaged with one another when the clamp is fitted around a tubular or bar-like object. One end is formed with at least one set of three tongues consisting of a short tongue flanked by two long tongues the tips of the long tongues being bridged by a fixed bar and the other end is formed with at least one tongue engageable over the bar and under the short tongue of the tongues of the other end. The strip of flexible material may consist of two portions hinged to one another.
    Type: Grant
    Filed: March 7, 1980
    Date of Patent: January 11, 1983
    Assignee: Webco Industrial Rubber Limited
    Inventors: Graeme K. Speirs, Anthony D. Cameron