Patents by Inventor Fred H. Lucas

Fred H. Lucas 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).

  • Method for decreasing the likelihood of an object being thrown from a tub grinder
    Patent number: 6412715
    Abstract: A tub grinder includes a tub mounted for rotation about a vertical axis. A grinding member is positioned within a floor of the tub grinder. A deflection plate partially covers the floor to define a narrow trajectory area for debris being ejected from the tub. A deflection cover is secured to the frame covering the tub opening only over the deflection area.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: July 2, 2002
    Assignee: Vermeer Manufacturing Company
    Inventors: Ivan Ray Brand, Jeff Alan Fleenor, Thomas Dean Ogle, Fred H Lucas
  • Tub grinder
    Patent number: 5950942
    Abstract: A tub grinder includes a tub mounted for rotation about a vertical axis. A grinding member is positioned within a floor of the tub grinder. A deflection plate partially covers the floor to define a narrow trajectory area for debris being ejected from the tub. A deflection cover is secured to the frame covering the tub opening only over the deflection area.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: September 14, 1999
    Assignee: Vermeer Manufacturing Co.
    Inventors: Ivan Ray Brand, Jeff Alan Fleenor, Thomas Dean Ogle, Fred H Lucas
  • Hydraulic fluid tank
    Patent number: D452294
    Type: Grant
    Filed: June 22, 2000
    Date of Patent: December 18, 2001
    Inventors: Duane A. Harthoorn, Fred H. Lucas