Patents by Inventor Willem Hooijmans

Willem Hooijmans 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).

  • Demolition apparatus
    Patent number: 9809946
    Abstract: A demolition apparatus and an adapter frame of the demolition apparatus are disclosed. The adapter frame may be formed with coupling seats which engage pins on a jaw set to assemble the demolition apparatus. The openings of the coupling seats face different directions for quick and simple assembly of the demolition apparatus. A rotatable locking element may be provided on the adapter frame to lock a pin on the jaw set.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: November 7, 2017
    Assignee: Caterpillar Work Tools B.V.
    Inventors: John Van Gemert, Willem Hooijmans, Henry Dings, Patrick Grant
  • DEMOLITION APPARATUS
    Publication number: 20140231564
    Abstract: A demolition apparatus and an adapter frame of the demolition apparatus are disclosed. The adapter frame may be formed with coupling seats which engage pins on a jaw set to assemble the demolition apparatus. The openings of the coupling seats face different directions for quick and simple assembly of the demolition apparatus. A rotatable locking element may be provided on the adapter frame to lock a pin on the jaw set.
    Type: Application
    Filed: October 4, 2012
    Publication date: August 21, 2014
    Applicant: Caterpillar Work Tools B.V.
    Inventors: John Van Gemert, Willem Hooijmans, Henry Dings, Patrick Grant
  • Lip for ground engaging machine implement
    Patent number: D741375
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: October 20, 2015
    Assignee: Caterpillar Work Tools B. V.
    Inventor: Willem Hooijmans
  • Wing for ground engaging machine implement
    Patent number: D741918
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: October 27, 2015
    Assignee: Caterpillar Work Tools B.V.
    Inventor: Willem Hooijmans
  • Wing for ground engaging machine implement
    Patent number: D758459
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: June 7, 2016
    Assignee: Caterpillar Work Tools B.V.
    Inventor: Willem Hooijmans