Patents by Inventor Cristian Siems

Cristian Siems 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: 20220184795
    Abstract: Extendable cleaning tools are described. The tools include a plurality of pole elements, wherein the plurality of pole elements include an innermost pole element and an outermost pole element, wherein the innermost pole element is moveable relative to the outermost pole element in an axial direction and the innermost pole element and the outermost pole element are not rotatable relative to each other, a clamp arranged at an end of the outermost pole element and configured to selectively engage with a pole element of the plurality of pole elements arranged within the outermost pole element, and a working head assembly attached to an end of the innermost pole element.
    Type: Application
    Filed: March 2, 2022
    Publication date: June 16, 2022
    Inventors: William Harrington, Kai Hirsch, Cristian Siems, Stephen P. Huda, Joseph K. Patterson
  • Patent number: D973989
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: December 27, 2022
    Assignee: UNGER MARKETING INTERNATIONAL, LLC
    Inventors: William Harrington, Kai Hirsch, Cristian Siems
  • Patent number: D976506
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: January 24, 2023
    Assignee: UNGER MARKETING INTERNATIONAL, LLC
    Inventors: William Harrington, Kai Hirsch, Cristian Siems
  • Patent number: D981222
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: March 21, 2023
    Assignee: UNGER MARKETING INTERNATIONAL, LLC
    Inventors: William Harrington, Kai Hirsch, Cristian Siems
  • Patent number: D1007793
    Type: Grant
    Filed: January 20, 2023
    Date of Patent: December 12, 2023
    Assignee: Unger Marketing International, LLC
    Inventors: William Harrington, Kai Hirsch, Cristian Siems
  • Patent number: D1008582
    Type: Grant
    Filed: January 20, 2023
    Date of Patent: December 19, 2023
    Assignee: Unger Marketing International, LLC
    Inventors: William Harrington, Kai Hirsch, Cristian Siems