Patents by Inventor Bruce S. Hill

Bruce S. Hill 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).

  • Wire saw with diamond cutting edge
    Patent number: 5080086
    Abstract: A wire saw comprises a wire rope to which a plurality of cutting elements are secured in spaced relationship along its length. The cutting elements comprise a cylindrical metal sleeve, the central portion of which is swaged so that the inner surface grips the rope securely. Brazed to each end of the sleeve is a ring of a thermally stable diamond compact. The edges of the rings provide cutting edges for the element.
    Type: Grant
    Filed: October 30, 1989
    Date of Patent: January 14, 1992
    Inventors: Peter N. Tomlinson, Bruce S. Hill, Aulette Stewart
  • Mining method
    Patent number: 4123109
    Abstract: A tabular mineral deposit is mined by drilling overlapping holes in the plane of the deposit, the first hole being drilled in any convenient manner and each subsequent hole being drilled by a box hole type machine with a coring bit. The core breaks up and passes out of the core barrel into the orbit of vanes that transfer the broken rock into the hole being lapped. The broken rock is then removed along the hole being overlapped as by means of a drag line scraper.
    Type: Grant
    Filed: October 14, 1976
    Date of Patent: October 31, 1978
    Assignee: Edenvale Engineering Works (Proprietary) Limited
    Inventor: Bruce S. Hill