Patents by Inventor Angelo Peruch

Angelo Peruch 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).

  • Noise reduction systems for a refrigerated centrifuge instrument
    Patent number: 5261252
    Abstract: The noise emission from the centrifuge refrigeration system, and in particular, from the condenser fan therein, are minimized by monitoring the time duration during which the refrigeration compressor is asserted and, in accordance with the time duration of compressor assertion, controlling the speed of rotation of the condenser fan.
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: November 16, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Angelo Peruch