Patents by Inventor Donald R. Beach

Donald R. Beach 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).

  • Padding machines
    Patent number: 4664791
    Abstract: A padding machine is provided for angularly variable attachment to a mobile ground carrier having a hopper into which soil is placed, a vibratory feeder and screen receiving soil from the hopper, a chute receiving screened soil from the vibratory screen and feeder to deliver the same as padding on a pipeline within a ditch and a power source driving the vibratory feeder and screen.
    Type: Grant
    Filed: February 7, 1986
    Date of Patent: May 12, 1987
    Inventors: Ray McClain, Robert Ross, Donald R. Beach
  • Padding machines
    Patent number: RE34289
    Abstract: A padding machine is provided for angularly variable attachment to a mobile ground carrier having a hopper into which soil is placed, a vibratory feeder and screen receiving soil from the hopper, a chute receiving screened soil from the vibratory screen and feeder to deliver the same as padding on a pipeline within a ditch and a power source driving he vibratory feeder and screen.
    Type: Grant
    Filed: August 13, 1990
    Date of Patent: June 22, 1993
    Assignee: Ray McClain, Inc.
    Inventors: Ray McClain, Robert Ross, Donald R. Beach