Patents by Inventor John Alston McCartney

John Alston McCartney 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: 10480680
    Abstract: A tamper resistant locking device for securing fire hydrants. The device is simple to install, easy to remove by the fire department using securing fasteners commonly available. The locking device prevents unauthorized use of a fire hydrant. A collar assembly is dimensioned to encircle a barrel of a fire hydrant. A tab protrudes from ends of the collar assembly each having at least one slot. A retainer leg has an aperture dimensioned to receive an operating nut of the fire hydrant. A bottom end of the retainer leg is oriented to be received in the coaxially aligned slot of the collar assembly, such that the aperture prevents rotation of the operating nut.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: November 19, 2019
    Inventors: Jock Alston McCartney, John Alston McCartney, Curtis Onsager, Andrew Henninger
  • Publication number: 20190249796
    Abstract: A tamper resistant locking device for securing fire hydrants. The device is simple to install, easy to remove by the fire department using securing fasteners commonly available. The locking device prevents unauthorized use of a fire hydrant. A collar assembly is dimensioned to encircle a barrel of a fire hydrant. A tab protrudes from ends of the collar assembly each having at least one slot. A retainer leg has an aperture dimensioned to receive an operating nut of the fire hydrant. A bottom end of the retainer leg is oriented to be received in the coaxially aligned slot of the collar assembly, such that the aperture prevents rotation of the operating nut.
    Type: Application
    Filed: December 28, 2018
    Publication date: August 15, 2019
    Inventors: Jock Alston McCartney, John Alston McCartney, Curtis Onsager, Andrew Henninger