Patents by Inventor Robert E. Plumley

Robert E. Plumley 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: 6035944
    Abstract: A plow blade mounting system for mounting an adjustable V-plow blade on any wheeled or tracked vehicle having a vertical lift mechanism including arms extending forwardly of the vehicle. A rear mounting plate assembly has a first swivel plate adapted for attachment to the vertical lift mechanism and a pivot member secured to the first swivel plate. A second swivel plate is pivotally mounted on a pivot member, and a T-frame assembly is securely mounted on the second swivel plate and has a forwardly projecting end and a triangularly shaped plate member secured to the second swivel plate and the T-frame. A hydraulic actuator extends between the first and second swivel plates for effecting relative rotating movement of the first swivel plate relative to the second swivel plate about the pivot member.
    Type: Grant
    Filed: May 27, 1998
    Date of Patent: March 14, 2000
    Assignee: M. J. Electric, Inc.
    Inventors: Thomas Joseph Neuner, Robert E. Plumley