Patents by Inventor Patrick Hjort

Patrick Hjort 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: 11582548
    Abstract: A ring-shaped cushion for a hearing protector or audio headset. The cushion has a circumferential contact pad for sealing on a wearer's head and an attachment for sealing with an earmuff. The cushion further has a sound insulation tube that inwardly defines an inner space. The sound insulation tube extends between the contact pad and the attachment. The cushion has a ventilation passage that extends entirely through the cushion between an inlet opening in the contact pad and an area outside of the inner space. The cushion may further include one or more physiological sensors to monitor the health of a wearer.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: February 14, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Van Cuong Bui, Caroline M. Ylitalo, Caitlin E. Meree, Patrick Hjort, William Bedingham, Assumpta A. G. Bennaars-Eiden, Daniel B. Taylor, Jonas A. Nilsson, Richard C. Webb, Andrew W. Long, Henning T. Urban
  • Publication number: 20200396532
    Abstract: A ring-shaped cushion for a hearing protector or audio headset. The cushion has a circumferential contact pad for sealing on a wearer's head and an attachment for sealing with an earmuff. The cushion further has a sound insulation tube that inwardly defines an inner space. The sound insulation tube extends between the contact pad and the attachment. The cushion has a ventilation passage that extends entirely through the cushion between an inlet opening in the contact pad and an area outside of the inner space. The cushion may further include one or more physiological sensors to monitor the health of a wearer.
    Type: Application
    Filed: November 21, 2018
    Publication date: December 17, 2020
    Inventors: Van Cuong Bui, Caroline M. Ylitalo, Caitlin E. Meree, Patrick Hjort, William Bedingham, Assumpta A.G. Bennaars-Eiden, Daniel B. Taylor, Jonas A. Nilsson, Richard C. Webb, Andrew W. Long, Henning T. Urban