Patents by Inventor Jacob T. Elmer

Jacob T. Elmer 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).

  • Pump piston
    Patent number: 11572876
    Abstract: A pump having significantly minimized or no ullage for pumping material (fluid or aggregate).
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: February 7, 2023
    Assignee: Graco Minnesota Inc.
    Inventors: Joseph E. Tix, Jeffrey N. Velgersdyk, Samuel R. Stewart, Jacob T. Elmer, Roman S. Kopylov, Christopher J. Pellin, Jeromy D. Horning
  • PUMP PISTON
    Publication number: 20190063428
    Abstract: A pump having significantly minimized or no ullage for pumping material (fluid or aggregate).
    Type: Application
    Filed: August 29, 2018
    Publication date: February 28, 2019
    Inventors: Joesph E. Tix, Jeffrey N. Velgersdyk, Samuel R. Stewart, Jacob T. Elmer, Roman S. Kopylov, Christopher J. Pellin, Jeromy D. Horning
  • Protective coatings sprayer
    Patent number: D851211
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: June 11, 2019
    Assignee: Graco Minnesota Inc.
    Inventors: Christopher J. Pellin, Jacob T. Elmer, Roman S. Kopylov, Jeffrey N. Velgersdyk, Bryan K. Colby, Justin J. Weldon