Patents by Inventor John Ritzke

John Ritzke 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).

  • Pasteurizing paints and method for pasteurizing paints
    Patent number: 11045565
    Abstract: Disclosed herein are methods for pasteurizing architectural coating compositions using heat, radiation or other energy sources without additionally polymerizing the compositions and storing same.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: June 29, 2021
    Assignee: Columbia Insurance Company
    Inventors: Robert Sheerin, David L. Siegfried, Wilbur Mardis, John Ritzke, Navin Tilara
  • Pasteurizing Paints and Method for Pasteurizing Paints
    Publication number: 20200230268
    Abstract: Disclosed herein are methods for pasteurizing architectural coating compositions using heat, radiation or other energy sources without additionally polymerizing the compositions and storing same.
    Type: Application
    Filed: April 1, 2020
    Publication date: July 23, 2020
    Inventors: Robert Sheerin, David L. Siegfried, Wilbur Mardis, John Ritzke, Navin Tilara
  • Pasteurizing paints and method for pasteurizing paints
    Patent number: 10639386
    Abstract: Disclosed herein are methods for pasteurizing architectural coating compositions using heat, radiation or other energy sources without additionally polymerizing the compositions and storing same.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: May 5, 2020
    Assignee: Columbia Insurance Company
    Inventors: Robert Sheerin, David L. Siegfried, Wilbur Mardis, John Ritzke, Navin Tilara
  • Pasteurizing Paints and Method for Pasteurizing Paints
    Publication number: 20170354751
    Abstract: Disclosed herein are methods for pasteurizing architectural coating compositions using heat, radiation or other energy sources without additionally polymerizing the compositions and storing same.
    Type: Application
    Filed: November 25, 2015
    Publication date: December 14, 2017
    Inventors: Robert Sheerin, David L. Siegfried, Wilbur Mardis, John Ritzke, Navin Tilara