Patents by Inventor Donald Wayne WARTLUFT

Donald Wayne WARTLUFT 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).

  • Publication number: 20210324987
    Abstract: Improvements to stab-type pipe fittings capable of being inserted onto plastic pipes and provide a leak proof connection are provided. The pipe fittings have an outer casing with pipe ports, a hollow inner casing positioned within the outer casing, a pipe gripper and stiffener positioned within the inner casing. The pipe ports have an elongated lip that straightens a pipe inserted into the fitting. The stiffener provides a multi-compression seal to facilitate the leak proof connection.
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Inventors: David Scott JORDAN, Donald Wayne WARTLUFT
  • Patent number: 11060647
    Abstract: Stab-type pipe fittings capable of being inserted onto plastic pipes are provided. The pipe fittings have an outer casing with pipe ports, a hollow inner casing positioned within the outer casing, a pipe gripper and stiffener positioned within the inner casing. The pipe ports have an elongated lip that straightens a pipe inserted into the fitting. The stiffener provides a multi-compression seal to facilitate the leak proof connection.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: July 13, 2021
    Assignee: HUBBELL INCORPORATED
    Inventors: David Scott Jordan, Donald Wayne Wartluft
  • Publication number: 20180017196
    Abstract: Improvements to stab-type pipe fittings capable of being inserted onto plastic pipes and provide a leak proof connection are provided. The pipe fittings have an outer casing with pipe ports, a hollow inner casing positioned within the outer casing, a pipe gripper and stiffener positioned within the inner casing. The pipe ports have an elongated lip that straightens a pipe inserted into the fitting. The stiffener provides a multi-compression seal to facilitate the leak proof connection.
    Type: Application
    Filed: July 7, 2017
    Publication date: January 18, 2018
    Inventors: David Scott JORDAN, Donald Wayne WARTLUFT