Patents by Inventor Gordon M. Lyall

Gordon M. Lyall 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).

  • Marine anchor
    Patent number: 5138967
    Abstract: A marine anchor is described which has a shank having a leading end for attachment to a cable and a general double-bladed ploughshare shaped fluke fixed to the shank with the blades disposed symmetrically about the median plane of the shank. The leading ends of the blades terminate in a single apex and the trailing ends of each blade diverges outwardly from said medial plane, each blade having a generally inwardly dished shape. The blades can be curved or consist of at least two flat angled surfaces.
    Type: Grant
    Filed: November 1, 1990
    Date of Patent: August 18, 1992
    Assignee: Simpson-Lawrence Ltd.
    Inventors: Philip F. McCarron, James W. Stewart, Gordon M. Lyall
  • Marine windlass
    Patent number: D304119
    Type: Grant
    Filed: February 14, 1986
    Date of Patent: October 17, 1989
    Assignee: Simpson-Laurence Limited
    Inventors: Gordon M. Lyall, Philip F. McCarron
  • Vertical marine windlass
    Patent number: D304254
    Type: Grant
    Filed: February 14, 1986
    Date of Patent: October 24, 1989
    Assignee: Simpson-Lawrence Limited
    Inventors: Gordon M. Lyall, Philip F. McCarron