Patents by Inventor Ferdinand Greger

Ferdinand Greger 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).

  • Cryopump
    Patent number: 5465584
    Abstract: The invention relates to a cryopump operated with a refrigerator, having a housing, having an inlet valve, having heatable pumping surfaces and having a backing pump connected to the pump interior; to be able to regenerate the cryopump quickly by executing the removal of the condensed gases at a high pressure, it is proposed that it is equipped with a line for the precipitates to be removed and that is provided with a regeneration valve.
    Type: Grant
    Filed: March 8, 1994
    Date of Patent: November 14, 1995
    Assignee: Leybold Aktiengesellschaft
    Inventors: Monika Mattern-Klosson, Hans-Juergen Mundinger, Ferdinand Greger