Patents by Inventor Grant David Kirchner

Grant David Kirchner 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).

  • Rapid thermoform pressure forming process and apparatus
    Patent number: 7326044
    Abstract: This invention relates to a novel apparatus and process for producing thermoplastic articles. In one aspect, the invention pertains to a process for manufacturing fiberglass products using a fiberglass material consisting of fiberglass strands commingled with heat-formable polypropylene strands. A molding apparatus comprising: (a) an air pressure chamber with an open side; (b) a flange plate fitted to the open side of the air pressure chamber, said flange plate having an opening therein for receiving a mold; (c) an upper bladder associated with the flange plate and covering the opening; (d) a base pressure plate; (e) a mold positioned on the base pressure plate; and (f) a locking mechanism for securing the air pressure chamber with the base pressure plate, and balanced air pressure in each chamber during molding.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: February 5, 2008
    Assignee: Ortho-Active Holdings Inc.
    Inventor: Grant David Kirchner
  • Rapid thermoform pressure forming process and apparatus
    Publication number: 20040222562
    Abstract: This invention relates to a novel apparatus and process for producing thermoplastic articles. In one aspect, the invention pertains to a process for manufacturing fiberglass products using a fiberglass material consisting of fiberglass strands commingled with heat-formable polypropylene strands. A molding apparatus comprising: (a) an air pressure chamber with an open side; (b) a flange plate fitted to the open side of the air pressure chamber, said flange plate having an opening therein for receiving a mold; (c) an upper bladder associated with the flange plate and covering the opening; (d) a base pressure plate; (e) a mold positioned on the base pressure plate; and (f) a locking mechanism for securing the air pressure chamber with the base pressure plate, and balanced air pressure in each chamber during molding.
    Type: Application
    Filed: May 5, 2003
    Publication date: November 11, 2004
    Inventor: Grant David Kirchner