Patents by Inventor John Alexander Aston

John Alexander Aston 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).

  • Lifting device
    Patent number: 6543826
    Abstract: A lifting device which has a flexible belt adapted to circumvent and grip a load to be lifted. One or more elongate flexible lifting straps is in spaced relationship around the belt. One end of the or each strap is securable on the belt anywhere along the belt's length. The other end of the or each strap has a lift attachment.
    Type: Grant
    Filed: July 25, 2000
    Date of Patent: April 8, 2003
    Inventor: John Alexander Aston
  • Hoist ring assembly
    Patent number: 6349985
    Abstract: A hoist ring assembly is secured to a load plate. The assembly comprises an elongate central stud having a threaded shank portion at the top and is attached to a load plate at the bottom end. A rotatable ring is located above the load plate and secured about the stud by an upper nut on the upper threaded portion of the stud. A bail is pivotally secured to the ring. The load plate is securable against the ring. An intermediate integral transverse collar is provided on the stud and the load plate is attached to the other end of the stud by use of a lower nut engaging a threaded portion on the lower end of the stud.
    Type: Grant
    Filed: July 25, 2000
    Date of Patent: February 26, 2002
    Inventor: John Alexander Aston