Patents by Inventor John Alun Harris Williams

John Alun Harris Williams 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: 7762000
    Abstract: According to the present invention there is provided head unit (10) for an animal shearing and clipping apparatus, the head unit (10) being configured to receive either a clipping comb and cutter arrangement (12, 14) or a shearing upper and lower blade arrangement (16, 18), the head unit (10) comprising a body (20) having a drive member (22, 24) arranged to drive a movable blade or cutter (14, 18), a mount (28) arranged to receive a complementary mounting feature of a comb or fixed blade (12, 16), a shearing blade guide and a clipping cutter guide.
    Type: Grant
    Filed: May 15, 2006
    Date of Patent: July 27, 2010
    Assignee: Lister Shearing Equipment Limited
    Inventor: John Alun Harris Williams
  • Publication number: 20080289184
    Abstract: According to the present invention there is provided head unit (10) for an animal shearing and clipping apparatus, the head unit (10) being configured to receive either a clipping comb and cutter arrangement (12, 14) or a shearing upper and lower blade arrangement (16, 18), the head unit (10) comprising a body (20) having a drive member (22, 24) arranged to drive a movable blade or cutter (14, 18), a mount (28) arranged to receive a complementary mounting feature of a comb or fixed blade (12, 16), a shearing blade guide and a clipping cutter guide.
    Type: Application
    Filed: May 15, 2006
    Publication date: November 27, 2008
    Inventor: John Alun Harris Williams