Patents by Inventor John Landerholm

John Landerholm 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).

  • Linear actuator
    Patent number: D523880
    Type: Grant
    Filed: August 19, 2004
    Date of Patent: June 27, 2006
    Assignee: Linak A/S
    Inventors: Bruno Christensen, Finn Jacobsen, John Landerholm
  • Linear actuator control box
    Patent number: D465797
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: November 19, 2002
    Assignee: Linak A/S
    Inventors: John Landerholm, Peter Lund
  • Information terminal
    Patent number: D468735
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: January 14, 2003
    Assignee: Ceboline Danmark APS
    Inventors: John Landerholm, Peter Lund
  • Enclosure for electrical equipment
    Patent number: D543515
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: May 29, 2007
    Assignee: Linak A/S
    Inventors: John Landerholm, Peter Boldsen Lund
  • Control box for actuators
    Patent number: D543957
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: June 5, 2007
    Assignee: Linak A/S
    Inventors: John Landerholm, Peter Lund
  • Information terminal
    Patent number: D473554
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: April 22, 2003
    Assignee: Ceboline Danmark ApS
    Inventors: John Landerholm, Peter Lund
  • Electrical drive unit for adjustable beds and slatted beds
    Patent number: D567753
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: April 29, 2008
    Assignee: Linak A/S
    Inventors: John Landerholm, Peter Boldsen Lund
  • Loudspeaker
    Patent number: D570332
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: June 3, 2008
    Assignee: Phonic Ear A/S
    Inventors: John Landerholm, Peter Lund
  • Hand controller
    Patent number: D572205
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: July 1, 2008
    Assignee: Linak A/S
    Inventors: John Landerholm, Peter Boldsen Lund
  • Control unit
    Patent number: D575240
    Type: Grant
    Filed: November 20, 2007
    Date of Patent: August 19, 2008
    Assignee: Linak A/S
    Inventors: John Landerholm, Peter Boldsen Lund
  • Linear actuator
    Patent number: D577753
    Type: Grant
    Filed: January 9, 2008
    Date of Patent: September 30, 2008
    Assignee: Linak A/S
    Inventors: Peter Boldsen Lund, John Landerholm
  • Control unit
    Patent number: D582862
    Type: Grant
    Filed: July 14, 2008
    Date of Patent: December 16, 2008
    Assignee: Linak A/S
    Inventors: John Landerholm, Peter Boldsen Lund
  • Linear actuator
    Patent number: D594487
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: June 16, 2009
    Assignee: Linak A/S
    Inventors: Peter B. Lund, John Landerholm
  • Hand controller
    Patent number: D617744
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: June 15, 2010
    Assignee: Linak A/S
    Inventors: John Landerholm, Peter Boldsen Lund
  • Lifting column
    Patent number: D619830
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: July 20, 2010
    Assignee: Linak A/S
    Inventors: Peter B. Lund, John Landerholm
  • Linear actuator
    Patent number: D695799
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: December 17, 2013
    Assignee: Linak A/S
    Inventor: John Landerholm
  • Linear actuator
    Patent number: D719595
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: December 16, 2014
    Assignee: Linak A/S
    Inventors: John Landerholm, Peter B. Lund
  • Operating unit
    Patent number: D761742
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: July 19, 2016
    Assignee: Linak A/S
    Inventors: John Landerholm, Peter Boldsen Lund
  • Linear dual actuator
    Patent number: D763934
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: August 16, 2016
    Assignee: Linak A/S
    Inventors: John Landerholm, Peter Boldsen Lund
  • Linear actuator
    Patent number: D806151
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: December 26, 2017
    Assignee: Linak A/S
    Inventors: John Landerholm, Peter Boldsen Lund