Patents by Inventor Kevin D. Hartley

Kevin D. Hartley 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).

  • Sizer for forming shaped polymeric articles and method of sizing polymeric articles
    Patent number: 7879283
    Abstract: A sizer assembly for providing a shaped polymeric article in an extrusion process includes a sizer body having a product profile channel corresponding to the shaped polymeric article formed therethrough. The sizer body includes a plurality of cooling liquid inlet slots forming an opening substantially around the product profile channel and a plurality of vacuum slots forming an opening substantially around the product profile channel for removing cooling liquid expelled from said cooling liquid inlet slots.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: February 1, 2011
    Assignee: Certainteed Corporation
    Inventors: Kevin D. Hartley, Robert C. McEldowney, Thomas G. Gilbert, Thomas A. Gates
  • SIZER FOR FORMING SHAPED POLYMERIC ARTICLES AND METHOD OF SIZING POLYMERIC ARTICLES
    Publication number: 20090315207
    Abstract: A sizer assembly for providing a shaped polymeric article in an extrusion process includes a sizer body having a product profile channel corresponding to the shaped polymeric article formed therethrough. The sizer body includes a plurality of cooling liquid inlet slots forming an opening substantially around the product profile channel and a plurality of vacuum slots forming an opening substantially around the product profile channel for removing cooling liquid expelled from said cooling liquid inlet slots.
    Type: Application
    Filed: August 31, 2009
    Publication date: December 24, 2009
    Applicant: CERTAINTEED CORPORATION
    Inventors: Kevin D. Hartley, Robert C. McEldowney, Thomas G. Gilbert, Thomas A. Gates
  • Sizer for forming shaped polymeric articles and method of sizing polymeric articles
    Patent number: 7001165
    Abstract: A sizer assembly for providing a shaped polymeric article in an extrusion process comprises a sizer body having a product profile channel corresponding to the shaped polymeric article formed therethrough. The sizer body comprises a plurality of cooling liquid inlet slots forming an opening substantially around the product profile channel and a plurality of vacuum slots forming an opening substantially around the product profile channel for removing cooling liquid expelled from said cooling liquid inlet slots.
    Type: Grant
    Filed: May 2, 2003
    Date of Patent: February 21, 2006
    Assignee: Certainteed Corporation
    Inventors: Kevin D. Hartley, Robert C. McEldowney, Thomas G. Gilbert, Thomas A. Gates
  • Sizer for forming shaped polymeric articles and method of sizing polymeric articles
    Publication number: 20040217509
    Abstract: A sizer assembly for providing a shaped polymeric article in an extrusion process comprises a sizer body having a product profile channel corresponding to the shaped polymeric article formed therethrough. The sizer body comprises a plurality of cooling liquid inlet slots forming an opening substantially around the product profile channel and a plurality of vacuum slots forming an opening substantially around the product profile channel for removing cooling liquid expelled from said cooling liquid inlet slots.
    Type: Application
    Filed: May 2, 2003
    Publication date: November 4, 2004
    Inventors: Kevin D. Hartley, Robert C. McEldowney, Thomas G. Gilbert, Thomas A. Gates