Patents by Inventor Yuchun He

Yuchun He 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).

  • Method of retrofitting a hearing protector, and a hearing protector
    Patent number: 10561532
    Abstract: A method of retrofitting a hearing protector with an active communication device. The method has steps of providing a hearing protector, providing the active communication device and retaining the active communication device at the hearing protector. Further, a hearing protector is provided having two generally dome-shaped earmuffs, an active communication device comprising a loudspeaker and electronic circuitry which comprises a wireless communication interface, and wherein the active communication device has a mounting ring that is retained between an outer shell and a cushioning of the earmuff.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: February 18, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Van Cuong Bui, Anton J. Hjalmarsson, Roger Kihlberg, Yossi Sivilia, Sahar Fisch, Semion Dorfman, Guy Shmuel Melamed, Beylem Cindo{hacek over (g)}lu, Abir Nagia, Yuchun He
  • A Method Of Retrofitting A Hearing Protector, And A Hearing Protector
    Publication number: 20190314207
    Abstract: A method of retrofitting a hearing protector with an active communication device. The method has steps of providing a hearing protector, providing the active communication device and retaining the active communication device at the hearing protector. Further, a hearing protector is provided having two generally dome-shaped earmuffs, an active communication device comprising a loudspeaker and electronic circuitry which comprises a wireless communication interface, and wherein the active communication device has a mounting ring that is retained between an outer shell and a cushioning of the earmuff.
    Type: Application
    Filed: June 29, 2017
    Publication date: October 17, 2019
    Inventors: Van Cuong Bui, Anton J. Hjalmarsson, Roger Kihlberg, Yossi Sivilia, Sahar Fisch, Semion Dorfman, Guy Shmuel Melamed, Beylem Cindoglu, Abir Nagia, Yuchun He