Patents by Inventor Holger Gottschalk

Holger Gottschalk 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).

  • Polymeric Membrane
    Publication number: 20240042396
    Abstract: A polymeric membrane. The membrane can include a polymeric membrane made from a polymer selected from an aromatic sulfone polymer, polyamide, cellulose, cellulose acetate, polymethylmethacrylate, polyvinylalcohol, and polyacrylnitril, wherein the polymeric membrane has a major surface; a stilbenoid, isoflavone or flavone coated on the major surface of the polymeric membrane.
    Type: Application
    Filed: December 6, 2021
    Publication date: February 8, 2024
    Inventors: Oliver Schuster, Neelakandan Chandrasekaran, Detlef Krieter, Stefan Weuster, Holger Gottschalk
  • Sprinkler system for refrigerated spaces
    Patent number: 5228520
    Abstract: The invention concerns a sprinkler system for refrigerated spaces and sets the task of assuring a longer minimum-time functional capacity for such devices after they have been switched to the operating state. This objective is resolved by an overdimensioning of the piping in combination with special dry sprinklers.
    Type: Grant
    Filed: December 18, 1991
    Date of Patent: July 20, 1993
    Inventor: Holger Gottschalk