Patents by Inventor Per Thanning Johansen

Per Thanning Johansen 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).

  • Drain grating
    Patent number: D718844
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: December 2, 2014
    Assignee: Blucher Metal A/S
    Inventor: Per Thanning Johansen
  • Drain grating
    Patent number: D718845
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: December 2, 2014
    Assignee: Blucher Metal A/S
    Inventor: Per Thanning Johansen
  • Drain trap
    Patent number: D726888
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: April 14, 2015
    Assignee: Blucher Metal A/S
    Inventor: Per Thanning Johansen
  • Filter basket for floor drains
    Patent number: D749706
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: February 16, 2016
    Assignee: Blucher Metal A/S
    Inventor: Per Thanning Johansen
  • Grating
    Patent number: D770025
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: October 25, 2016
    Assignee: BLUCHER METAL A/S
    Inventor: Per Thanning Johansen
  • Elements for drain channels
    Patent number: D777886
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: January 31, 2017
    Assignee: BLUCHER METAL A/S
    Inventor: Per Thanning Johansen
  • Grating
    Patent number: D777887
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: January 31, 2017
    Assignee: BLUCHER METAL A/S
    Inventor: Per Thanning Johansen
  • Grating
    Patent number: D779045
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: February 14, 2017
    Assignee: BLUCHER METAL A/S
    Inventor: Per Thanning Johansen
  • Drain channel
    Patent number: D868219
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: November 26, 2019
    Assignee: BLUCHER METAL A/S
    Inventor: Per Thanning Johansen
  • Drain channel
    Patent number: D870249
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: December 17, 2019
    Assignee: BLUCHER METAL A/S
    Inventor: Per Thanning Johansen