Patents by Inventor Helmut Ess

Helmut Ess 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: D689593
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: September 10, 2013
    Assignee: SATA GmbH & Co. KG
    Inventors: Ewald Schmon, Helmut Ess
  • Patent number: D697583
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: January 14, 2014
    Assignee: SATA GmbH & Co. KG
    Inventors: Ewald Schmon, Helmut Ess
  • Patent number: D697584
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: January 14, 2014
    Assignee: SATA GmbH & Co. KG
    Inventors: Ewald Schmon, Helmut Ess
  • Patent number: D698008
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: January 21, 2014
    Assignee: SATA GmbH & Co. KG
    Inventors: Ewald Schmon, Helmut Ess
  • Patent number: D874611
    Type: Grant
    Filed: March 12, 2017
    Date of Patent: February 4, 2020
    Assignee: SATA GMBH & CO. KG
    Inventors: Helmut Ess, Marcus Rolli