Patents by Inventor George Hawthorn

George Hawthorn 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: 11073353
    Abstract: A firearm having a threaded barrel-receiver connection, with a threaded receiver opening for cooperative engagement with a threaded barrel. The receiver is also compatible with a clamping system for engagement of an unthreaded barrel, so that threaded and unthreaded barrels may be used interchangeably. The threads of the receiver may have a flat crested thread profile for sliding engagement upon installation of an unthreaded barrel.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: July 27, 2021
    Assignee: BLACKPOWDER PRODUCTS, INC.
    Inventors: Mark D. Hendricks, George A. Hawthorn
  • Publication number: 20200333097
    Abstract: A firearm having a threaded barrel-receiver connection, with a threaded receiver opening for cooperative engagement with a threaded barrel. The receiver is also compatible with a clamping system for engagement of an unthreaded barrel, so that threaded and unthreaded barrels may be used interchangeably. The threads of the receiver may have a flat crested thread profile for sliding engagement upon installation of an unthreaded barrel.
    Type: Application
    Filed: April 22, 2019
    Publication date: October 22, 2020
    Applicant: BLACKPOWDER PRODUCTS, INC.
    Inventors: Mark D. HENDRICKS, George A. HAWTHORN
  • Publication number: 20140159751
    Abstract: The invention concerns corrosion sensors comprising a resistor, a voltage meter for determining voltage output across said resistor; and at least three different layers, each layer comprising a different material, said layers comprising: (a) non-corrosive conducting layer; (b) metal layer; and (c) electrically insulating layer deposed between the conducting layer and the metal layer; wherein the resistor connects the conducting layer and the metal layer. The invention further concerns use of such sensors use in monitoring and trouble-shooting corrosion impacts.
    Type: Application
    Filed: August 20, 2013
    Publication date: June 12, 2014
    Inventors: Lloyd Hihara, Alicia Higa-Brauneck, George Hawthorn