Patents by Inventor Denis Dammkoehler

Denis Dammkoehler 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).

  • Vacuum cleaner
    Patent number: D715505
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: October 14, 2014
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventor: Denis Dammkoehler
  • High-pressure cleaner
    Patent number: D729468
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: May 12, 2015
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventor: Denis Dammkoehler
  • High pressure cleaner
    Patent number: D729469
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: May 12, 2015
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventor: Denis Dammkoehler
  • Steam gun for a steam cleaner
    Patent number: D731723
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: June 9, 2015
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Denis Dammkoehler, Zheyi Jin
  • Floor cleaning machine
    Patent number: D734573
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: July 14, 2015
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventor: Denis Dammkoehler
  • Floor cleaning machine
    Patent number: D737005
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: August 18, 2015
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventor: Denis Dammkoehler
  • High pressure cleaner
    Patent number: D737528
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: August 25, 2015
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventor: Denis Dammkoehler
  • Spray wand for a high-pressure cleaner
    Patent number: D753265
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: April 5, 2016
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Jochen Burchard, Denis Dammkoehler
  • Pistol for a high pressure cleaner
    Patent number: D770594
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: November 1, 2016
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Denis Dammkoehler, Jochen Burchard
  • Machine for cleaning floors
    Patent number: D779138
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: February 14, 2017
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Zheyi Jin, Denis Dammkoehler
  • Floor cleaning machine
    Patent number: D785254
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: April 25, 2017
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Denis Dammkoehler, Zheyi Jin
  • Floor cleaning machine
    Patent number: D793635
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: August 1, 2017
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Denis Dammkoehler, Zheyi Jin
  • Controller of a vacuum cleaner
    Patent number: D797681
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: September 19, 2017
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Denis Dammkoehler, Zheyi Jin
  • Vacuum cleaner
    Patent number: D800977
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: October 24, 2017
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Denis Dammkoehler, Zheyi Jin
  • Vacuum cleaner
    Patent number: D800978
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: October 24, 2017
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Denis Dammkoehler, Zheyi Jin
  • Vacuum cleaners
    Patent number: D802861
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: November 14, 2017
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Zheyi Jin, Denis Dammkoehler
  • Battery pack
    Patent number: D803777
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: November 28, 2017
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Jochen Burchard, Denis Dammkoehler
  • Drilling dust collector
    Patent number: D803916
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: November 28, 2017
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Denis Dammkoehler, Zheyi Jin
  • Lower portion of a vacuum cleaner
    Patent number: D809725
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: February 6, 2018
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Denis Dammkoehler, Zheyi Jin
  • Vacuum cleaner
    Patent number: D810370
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: February 13, 2018
    Assignee: Alfred Kaercher GmbH & Co. KG
    Inventors: Denis Dammkoehler, Zheyi Jin