Patents by Inventor Dino M. Demopoulos

Dino M. Demopoulos 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).

  • Disc type wood chipper knife having positioning serrations and intermediate land therebetween
    Patent number: 4503893
    Abstract: A knife assembly for a disc type wood chipper for cutting wood chips from a log, for example, comprises a pair of knife holding means between which a multi-section two-edged reversible knife and an associated counter knife are releasably clamped. One surface of the knife has two spaced apart sets of indented (female) serrations with an intermediate land between the sets which engage two spaced apart sets of protruding (male) serrations and a corresponding land on one surface of the counter knife to ensure proper knife alignment. The counter knife is adjustably positionable relative to the knife holding means.
    Type: Grant
    Filed: May 25, 1983
    Date of Patent: March 12, 1985
    Assignee: Murray Machinery, Inc.
    Inventor: Dino M. Demopoulos
  • Disc type wood chipper knife having position adjusting serrations
    Patent number: 4423758
    Abstract: A knife assembly for a disc type wood chipper for cutting wood chips from a log, for example, comprises a knife seat and knife clamp between which a multi-section two-edged reversible knife and an associated counter knife are releasably clamped. One surface of the knife has serrations which engage serrations on one surface of the counter knife to ensure proper knife alignment and enable knife position adjustment, at least in one embodiment. The counter knife is also adjustably positionable relative to the knife seat and knife clamp.
    Type: Grant
    Filed: February 25, 1982
    Date of Patent: January 3, 1984
    Assignee: Murray Machinery, Inc.
    Inventors: Jack R. Haller, Dino M. Demopoulos