Patents by Inventor Jörg Brennwald

Jörg Brennwald 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).

  • Communication headset
    Patent number: D535286
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: January 16, 2007
    Assignee: Sennheiser Communications A/S
    Inventor: Joerg Brennwald
  • Communication headset
    Patent number: D535975
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: January 30, 2007
    Assignee: Sennheiser Communications A/S
    Inventor: Joerg Brennwald
  • Headset
    Patent number: D565025
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: March 25, 2008
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventor: Joerg Brennwald
  • Headset
    Patent number: D565026
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: March 25, 2008
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventor: Joerg Brennwald
  • Headset
    Patent number: D565034
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: March 25, 2008
    Assignee: Sennheiser Electronic GmbH & Co. KG
    Inventor: Joerg Brennwald
  • Headset
    Patent number: D565556
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: April 1, 2008
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventor: Joerg Brennwald
  • Headset
    Patent number: D569369
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: May 20, 2008
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventor: Joerg Brennwald
  • Headset
    Patent number: D569372
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: May 20, 2008
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventor: Joerg Brennwald
  • Audio-visual play-back device for sound or image
    Patent number: D574013
    Type: Grant
    Filed: August 23, 2006
    Date of Patent: July 29, 2008
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventor: Joerg Brennwald
  • Headphone
    Patent number: D584715
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: January 13, 2009
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventor: Joerg Brennwald
  • Wireless headset
    Patent number: D584719
    Type: Grant
    Filed: October 4, 2007
    Date of Patent: January 13, 2009
    Assignee: Sennheiser Communications A/S
    Inventor: Jörg Brennwald
  • Telephone switch box
    Patent number: D597535
    Type: Grant
    Filed: October 4, 2007
    Date of Patent: August 4, 2009
    Assignee: Sennheiser Communications A/S
    Inventor: Jörg Brennwald
  • Headphone
    Patent number: D600674
    Type: Grant
    Filed: July 17, 2007
    Date of Patent: September 22, 2009
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventor: Joerg Brennwald
  • Headphones
    Patent number: D604266
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: November 17, 2009
    Assignee: Sennheiser Electronic GmbH & Co. KG
    Inventors: Lars Milde, Joerg Brennwald
  • Wireless headset
    Patent number: D614172
    Type: Grant
    Filed: October 11, 2007
    Date of Patent: April 20, 2010
    Assignee: Sennheiser Communications A/S
    Inventor: Jörg Brennwald
  • Headset binaural
    Patent number: D673523
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: January 1, 2013
    Assignee: Sennheiser Communications A/S
    Inventor: Jörg Brennwald
  • Monoaural headset
    Patent number: D673524
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: January 1, 2013
    Assignee: Sennheiser Communications A/S
    Inventor: Jörg Brennwald
  • Transmitter for a headphone
    Patent number: D731997
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: June 16, 2015
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventors: Joerg Brennwald, Chang-Chin Hwang
  • Headphones
    Patent number: D741286
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: October 20, 2015
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventors: Joerg Brennwald, Chang-Chin Hwang
  • Headphones
    Patent number: D690284
    Type: Grant
    Filed: July 10, 2012
    Date of Patent: September 24, 2013
    Assignee: Sennheiser electronic GmbH & Co. KG
    Inventor: Joerg Brennwald