Patents by Inventor Donald P. Harter

Donald P. Harter 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).

  • Replacement muffler and process for making same
    Patent number: 4516659
    Abstract: A replacement muffler which can replace original equipment mufflers with substantially no modifications thereto, and methods for producing the same are disclosed. The replacement muffler is provided with a muffler body which only approximates the body of the original equipment muffler and a pair of replacement muffler nipples secured to the muffler body, having diameters substantially equal to the corresponding nipple diameters of the original equipment muffler and having lengths adapted to produce a nipple-to-nipple length substantially equal to the corresponding length of the original equipment muffler. The replacement muffler may be produced with a six to seven fold increase in production line efficiency by customizing only the nipple portions of the replacement muffler.
    Type: Grant
    Filed: February 6, 1984
    Date of Patent: May 14, 1985
    Assignee: APX Group, Inc.
    Inventors: James R. Hall, Donald P. Harter, Michael W. Clegg, James E. Gerber
  • Process for making a replacement muffler
    Patent number: 4486932
    Abstract: A replacement muffler which can replace original equipment mufflers with substantially no modifications thereto, and methods for producing the same are disclosed. The replacement muffler is provided with a muffler body which only approximates the body of the original equipment muffler and a pair of replacement muffler nipples secured to the muffler body, having diameters substantially equal to the corresponding nipple diameters of the original equipment muffler and having lengths adapted to produce a nipple-to-nipple length substantially equal to the corresponding length of the original equipment muffler. The replacement muffler may be produced with a six to seven fold increase in production line efficiency by customizing only the nipple portions of the replacement muffler.
    Type: Grant
    Filed: August 6, 1982
    Date of Patent: December 11, 1984
    Assignee: APX Group, Inc.
    Inventors: James R. Hall, Donald P. Harter, Michael W. Clegg, James E. Gerber
  • Universal heat shield
    Patent number: 4478310
    Abstract: A universal heat shield which may be varied in length and shape to fit a variety of mufflers, catalytic converters, and the like, is disclosed. A pair of metal sheets, each of which includes a pair of planar members intersecting at a crease line, a pair of slots and a pair of tabs, are fastened to each other with screws which extend through the slots. The shield is fastened to the muffler by strapping the tabs to opposite ends of the muffler body.
    Type: Grant
    Filed: March 25, 1983
    Date of Patent: October 23, 1984
    Assignee: APX Group, Inc.
    Inventor: Donald P. Harter