Patents by Inventor Greg L. Robbins

Greg L. Robbins 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).

  • Corrugated metal vent pipe and associated system and method
    Patent number: 9890877
    Abstract: A corrugated metal vent pipe includes a helically corrugated pipe structure formed by helical winding of a corrugated metal strip, wherein the helically corrugated pipe structure has a diameter of between 15 inches and 36 inches and a plurality of vent openings distributed thereon. A first pipe end treatment is located on a first end of the helically corrugated pipe structure, and a second pipe end treatment is located on a second end of the helically corrugated pipe structure.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: February 13, 2018
    Assignee: CONTECH ENGINEERED SOLUTIONS LLC
    Inventors: Greg L. Robbins, Wayne Peterson, William L. Zepp
  • CORRUGATED METAL VENT PIPE AND ASSOCIATED SYSTEM AND METHOD
    Publication number: 20160050948
    Abstract: A corrugated metal vent pipe includes a helically corrugated pipe structure formed by helical winding of a corrugated metal strip, wherein the helically corrugated pipe structure has a diameter of between 15 inches and 36 inches and a plurality of vent openings distributed thereon. A first pipe end treatment is located on a first end of the helically corrugated pipe structure, and a second pipe end treatment is located on a second end of the helically corrugated pipe structure.
    Type: Application
    Filed: August 19, 2015
    Publication date: February 25, 2016
    Inventors: Greg L. Robbins, Wayne Peterson, William L. Zepp