Patents by Inventor Christoph Ptok

Christoph Ptok 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).

  • Patent number: D776874
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: January 17, 2017
    Assignee: Braun GmBh
    Inventors: Björn Kling, Christoph Ptok
  • Patent number: D802841
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: November 14, 2017
    Assignee: Braun GmbH
    Inventors: Björn Kling, Christoph Ptok
  • Patent number: D831996
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: October 30, 2018
    Assignee: The Gillette Company LLC
    Inventors: Oliver Felix Grabes, Frank Burkhardt, Daniel Frickinger, Philipp Goeder, Patrick Koehler, Christoph Ptok, Martin Wenzlawiak, Nils Gruendler
  • Patent number: D837452
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: January 1, 2019
    Assignee: The Gillette Company LLC
    Inventors: Philipp Goeder, Christoph Ptok, Christopher Ramm, Stephen Charles Witkus, Jan Wertel, Gernot Oberfell
  • Patent number: D864482
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: October 22, 2019
    Assignee: The Gillette Company LLC
    Inventors: Philipp Goeder, Christoph Ptok, Christopher Ramm, Stephen Charles Witkus, Jan Wertel, Gernot Oberfell
  • Patent number: D881468
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: April 14, 2020
    Assignee: The Gillette Company LLC
    Inventors: Philipp Goeder, Christoph Ptok, Christopher Ramm, Stephen Charles Witkus, Jan Wertel, Gernot Oberfell
  • Patent number: D906074
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: December 29, 2020
    Assignee: WEZAG GMBH WERKZEUGFABRIK
    Inventors: Thomas Glockseisen, Christoph Ptok, Martin Wenzlawiak
  • Patent number: D1020418
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: April 2, 2024
    Assignee: WEZAG GMBH & CO. KG
    Inventors: Thomas Glockseisen, Christoph Ptok, Martin Wenzlawiak