Patents by Inventor Karl P. Wang

Karl P. Wang 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 compressor with liquid injection
    Patent number: 5447420
    Abstract: A scroll-type refrigerant compressor for use in a conventional refrigerating circuit and having liquid refrigerant compressor cooling provided by the injection of liquid refrigerant into an intermediate biasing chamber and/or specifically located bleed holes.
    Type: Grant
    Filed: April 13, 1994
    Date of Patent: September 5, 1995
    Assignee: Copeland Corporation
    Inventors: Jean-Luc Caillat, Karl P. Wang
  • Scroll compressor with liquid injection
    Patent number: 5329788
    Abstract: A scroll-type refrigerant compressor for use in a conventional refrigerating circuit and having liquid refrigerant compressor cooling provided by the injection of liquid refrigerant into an intermediate biasing chamber and/or specifically located bleed holes.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: July 19, 1994
    Assignee: Copeland Corporation
    Inventors: Jean-Luc Caillat, Karl P. Wang