Patents by Inventor Winston L. Zeng

Winston L. Zeng 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).

  • Patent number: 7641852
    Abstract: A sterilizer for medical instruments is compact and designed to be placed on a table top. The sterilizer provides includes a cavity for receiving a cassette holding the instruments to be sterilized. A stream circuit provides steam to the cassette for sterilization, and the time required for sterilization is reduced by withdrawing air from the cassette by application of a vacuum. The cavity is evacuated at the same time as the cassette to prevent application of high stresses to the cassette during the vacuum-assisted withdrawal of air. The time for sterilization is further reduced by use of dual heat exchangers to reduce the volume removed from the cassette.
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: January 5, 2010
    Assignee: Scican Ltd.
    Inventors: Neil McPhail, Darko Vilotijevic, Dorin Cioraca, Eduardo C. Ghelman, Edward House, William Stefanuk, Winston L Zeng
  • Patent number: 7113405
    Abstract: An integrated power module includes a longitudinally extending mounting member defining a cooling passageway on a first side thereof. A heat sink is positioned in the cooling passageway. A printed circuit board is positioned proximate a second side of the mounting member opposite the first side. A heat generating power circuit is electrically coupled to the printed circuit board and positioned between the printed circuit board and the mounting member. The power circuit is thermally coupled to the heat sink. An inductor is mounted in the cooling passageway. Methods of forming an integrated power module are also provided.
    Type: Grant
    Filed: May 27, 2004
    Date of Patent: September 26, 2006
    Assignee: Eaton Power Quality Corporation
    Inventors: John Armstrong, Larry Lynam, Winston L. Zeng