Patents by Inventor Jeffrey P. North

Jeffrey P. North 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).

  • Open-back linear bi-directional cabinet for speaker driver
    Patent number: 11272284
    Abstract: A cabinet for housing a round, open-back, cone type driver. The cabinet includes a barrel-shaped internal wall that has first and second opposing open ends and a substantially circular cross section. The diameter of the cross section at the midpoint of the internal wall is greater than the diameter of the internal wall at the opposing open ends. A mounting ring is secured to the internal wall between approximately a front quarter and a back quarter of the cabinet, configured for receiving the driver.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: March 8, 2022
    Inventor: Jeffrey P. North
  • OPEN-BACK LINEAR BI-DIRECTIONAL CABINET FOR SPEAKER DRIVER
    Publication number: 20190246199
    Abstract: A cabinet for housing a round, open-back, cone type driver. The cabinet includes a barrel-shaped internal wall that has first and second opposing open ends and a substantially circular cross section. The diameter of the cross section at the midpoint of the internal wall is greater than the diameter of the internal wall at the opposing open ends. A mounting ring is secured to the internal wall between approximately a front quarter and a back quarter of the cabinet, configured for receiving the driver.
    Type: Application
    Filed: February 6, 2018
    Publication date: August 8, 2019
    Inventor: Jeffrey P. North