Patents by Inventor Patrick HARF

Patrick HARF 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).

  • Making profile-edge construction board
    Patent number: 11794374
    Abstract: Construction board is made by first hot-pressing particles in a continuous belt press to form a longitudinally extending, continuous and hot composite strand that is conveyed downstream from the press. Before substantial cooling of the boards and while it is at a predetermined temperature above ambient temperature, an edge of the strand is profiled into a nonsquare profiled contour. Then the strand is transversely severed to form a succession of boards.
    Type: Grant
    Filed: November 7, 2021
    Date of Patent: October 24, 2023
    Assignee: SIEMPELKAMP MASCHINEN—UND ANLAGENBAU GMBH
    Inventors: Michael Vaessen, Patrick Harf, Ulrich Maier
  • MAKING PROFILE-EDGE CONSTRUCTION BOARD
    Publication number: 20220143863
    Abstract: Construction board is made by first hot-pressing particles in a continuous belt press to form a longitudinally extending, continuous and hot composite strand that is conveyed downstream from the press. Before substantial cooling of the boards and while it is at a predetermined temperature above ambient temperature, an edge of the strand is profiled into a nonsquare profiled contour. Then the strand is transversely severed to form a succession of boards.
    Type: Application
    Filed: November 7, 2021
    Publication date: May 12, 2022
    Inventors: Michael VAESSEN, Patrick HARF, Ulrich MAIER