Patents by Inventor Randall Joseph Velikan

Randall Joseph Velikan 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).

  • Scroll machine with reverse rotation sound attenuation
    Patent number: 6106251
    Abstract: A scroll compressor has a wedge camming device operable between the orbiting scroll of the scroll compressor and a fixed wall forming part of the compressor, for the purposes of automatically engaging the wall and the orbiting scroll upon reverse operation of the compressor to thereby separate the wraps of orbiting and non-orbiting scroll during such reverse operation. Damage to the compressor in the event of powered reverse is also prevented.
    Type: Grant
    Filed: June 26, 1998
    Date of Patent: August 22, 2000
    Assignee: Copeland Corporation
    Inventors: Kenneth Joseph Monnier, Frank Shue Wallis, Randall Joseph Velikan
  • Scroll machine with reverse rotation sound attenuation
    Patent number: 5772415
    Abstract: A scroll compressor has a wedge camming device operable between the orbiting scroll of the scroll compressor and a fixed wall forming part of the compressor, for the purposes of automatically engaging the wall and the orbiting scroll upon reverse operation of the compressor to thereby separate the wraps of orbiting and non-orbiting scroll during such reverse operation. Damage to the compressor in the event of powered reverse is also prevented.
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: June 30, 1998
    Assignee: Copeland Corporation
    Inventors: Kenneth Joseph Monnier, Frank Shue Wallis, Randall Joseph Velikan