Patents by Inventor Zdenek Zavazal

Zdenek Zavazal 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).

  • Liquid cooler for semiconductor power elements
    Patent number: 4188996
    Abstract: There is disclosed a liquid cooler for semiconductor power elements, the cooler having an external surface for bearing against the cooled element. The internal space of the cooler is formed so as to generate a whirling motion of the cooling medium supplied thereto.
    Type: Grant
    Filed: May 3, 1978
    Date of Patent: February 19, 1980
    Assignee: CKD Praha, oborovy podnik
    Inventors: Michal Pellant, Jaroslav Zuna, Petr Novak, Zdenek Zavazal, Jindrich Kratina, Pavel Reichel, Pavel Kafunek