Patents by Inventor Van Cuong Bui

Van Cuong Bui 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).

  • Publication number: 20210084815
    Abstract: The invention provides a mower. The mower comprises a housing and a cutting device arranged in the housing. The mower is provided with a height adjustment device. The height adjustment device comprises a rotating member and a traction member arranged on the housing. One end of the traction member is fixed on the rotating member, and the other end of the traction member is fixed on the cutting device. The rotating member rotates to drive the traction member to adjust the height of the cutting device. Such an arrangement makes the mower have a simple structure, save internal space of the mower, and be convenient to operate.
    Type: Application
    Filed: September 23, 2020
    Publication date: March 25, 2021
    Inventors: Wanghao Li, Jin Cao, Jie Gao, Van Cuong Bui, Johanna Olsson
  • 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
  • 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
  • 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
  • Patent number: D874065
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: January 28, 2020
    Assignee: 3M Innovative Properties Company
    Inventor: Van Cuong Bui
  • Patent number: D874736
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: February 4, 2020
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Van Cuong Bui
  • Patent number: D876017
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: February 18, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Hans O. E. Gustafsson, Henric L. O. Hansson, Van Cuong Bui, Niclas P. Hörnquist
  • Patent number: D902496
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: November 17, 2020
    Assignee: 3M Innovative Properties Company
    Inventor: Van Cuong Bui