Patents by Inventor James A. Ritz

James A. Ritz 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: 9108677
    Abstract: A trailer frame assembly for a fifth wheel trailer frame in which at least a portion of the frame is torsionally stiffened with a rectangular closed section in a transverse cross section. The rectangular closed section is formed by longitudinal, parallel spaced vertical side plates, a top pan extending between top portions of the side plates, and a bottom pan between bottom portions of the side plates. Overlap joints between the side plates and the top and bottom pans allow for connection with threaded or rivet fasteners. An end dump semi trailer is also provided with a double acting lift cylinder on each side of the trailer. Also provided is a latch lift assembly for a dump gate using a linkage assembly to impart vertical upward movement to dump gate to unlatch the dump gate from a cradle catch.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: August 18, 2015
    Assignee: WRT Equipment Ltd
    Inventors: Darryl James Kerr, Yowin Daniel Yowin, Taylor James Ritz
  • Publication number: 20120086185
    Abstract: A trailer frame assembly for a fifth wheel trailer frame in which at least a portion of the frame is torsionally stiffened with a rectangular closed section in a transverse cross section. The rectangular closed section is formed by longitudinal, parallel spaced vertical side plates, a top pan extending between top portions of the side plates, and a bottom pan between bottom portions of the side plates. Overlap joints between the side plates and the top and bottom pans allow for connection with threaded or rivet fasteners. An end dump semi trailer is also provided with a double acting lift cylinder on each side of the trailer. Also provided is a latch lift assembly for a dump gate using a linkage assembly to impart vertical upward movement to dump gate to unlatch the dump gate from a cradle catch.
    Type: Application
    Filed: October 7, 2010
    Publication date: April 12, 2012
    Applicant: WRT Equipment Ltd.
    Inventors: Darryl James KERR, Yowin Daniel YOWIN, Taylor James RITZ
  • Patent number: 7774971
    Abstract: A muzzle loading firearm has an elongated barrel defining an elongated bore, with a muzzle end and a breech end. A breech cap is removably connected the breech end of the barrel to enclose a chamber at the rear of the bore. A portion of the breech cap may be external to the barrel, which may be externally threaded. The breech cap may be entirely clear of the breech bore, and the bore may have a consistent profile from end to end. The barrel threads may be standard, multistart or interrupted. The breech cap may overlay the face of the rear end of the barrel.
    Type: Grant
    Filed: January 3, 2007
    Date of Patent: August 17, 2010
    Assignee: Thompson Center Arms Company, Inc.
    Inventors: Mark C. Laney, Gregory James Ritz
  • Publication number: 20100154270
    Abstract: A muzzle loading firearm has an elongated barrel defining an elongated bore, with a muzzle end and a breech end. A breech cap is removably connected the breech end of the barrel to enclose a chamber at the rear of the bore. A portion of the breech cap may be external to the barrel, which may be externally threaded. The breech cap may be entirely clear of the breech bore, and the bore may have a consistent profile from end to end. The barrel threads may be standard, multistart or interrupted. The breech cap may overlay the face of the rear end of the barrel.
    Type: Application
    Filed: January 3, 2007
    Publication date: June 24, 2010
    Inventors: Mark C. Laney, Gregory James Ritz
  • Patent number: 5782841
    Abstract: A tunneling tool for subcutaneous lead placement which includes a carrier capsule and a tunneling rod. The capsule has a bottom section and a hinged cover section which together provide an enclosure to confine the connectors on one or more leads. The capsule is provided with a latching mechanism and is opened by manually deflecting the bottom section to release the latching mechanism. The capsule is provided with a releasable catch at the forward end thereof for pivotally attaching the capsule end of a tunneling rod.
    Type: Grant
    Filed: August 10, 1993
    Date of Patent: July 21, 1998
    Assignee: Medtronic, Inc.
    Inventors: James A. Ritz, Brian L. Fideler
  • Patent number: D334905
    Type: Grant
    Filed: April 26, 1990
    Date of Patent: April 20, 1993
    Inventor: L. James Ritz