Patents by Inventor Bodo Nagel

Bodo Nagel 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).

  • Pump set comprising a liquid ring vacuum pump preceeded by a compressor
    Patent number: 4225288
    Abstract: A pump set comprising a compressor followed by a liquid ring vacuum pump with the two pumps matched to each other so that a relatively small liquid ring vacuum pump can draw and maintain vacuum under 40 Torr.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: September 30, 1980
    Assignee: Siemens Aktiengesellschaft
    Inventors: Kurt Mugele, Bodo Nagel