Patents by Inventor Walter P. Barnes

Walter P. Barnes 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: 6250425
    Abstract: A ladder support rack which can be removably attached to a wheeled vehicle such as a tractor capable of supporting a non-attached ladder. A receiver portion removably mounts to one tractor end. A frame assembly removably mounts to the receiver and includes a top frame and a bottom frame. A ladder is inserted into the frame assembly and held in place by a support hook at the top frame and by support feet at the bottom frame. The ladder is not physically mounted to the frame assembly so the tractor and ladder can be used for other purposes.
    Type: Grant
    Filed: November 18, 1999
    Date of Patent: June 26, 2001
    Inventors: Walter P. Barnes, Carlo Emilio
  • Patent number: 4392679
    Abstract: A device for clamping beehive elements together during transit, including a clamp for each of two opposite sides of the beehive. Each clamp includes a U-shaped top hook member with one leg hooked onto the top beehive element and bracing the hive elements, and another leg having an eye for engaging a yoke assembly during lifting. A bottom hook member for each clamp includes a hooking portion under the bottom beehive element and a linear portion bracing the bottom hive elements. An adjustable turnbuckle for each clamp engages a chain linked to the top hook member. The other turnbuckle end is mated to the bottom hook member.
    Type: Grant
    Filed: May 14, 1981
    Date of Patent: July 12, 1983
    Inventors: Walter P. Barnes, Carlo Emilio, Jr.