Patents by Inventor Gotthard Lerch

Gotthard Lerch 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: 4020352
    Abstract: A system for irradiating flowable material has an irradiation chamber; inlet and outlet conduits for introducing the flowable material into and discharging it from the irradiation chamber. The latter includes a spiral passage for guiding the flowable material in a spiral path from the inlet conduit to the outlet conduit. A radiation source is supported within the irradiation chamber in the zone of the spiral passage for irradiating the material flowing therethrough.
    Type: Grant
    Filed: July 10, 1975
    Date of Patent: April 26, 1977
    Assignee: Leybold-Heraeus GmbH & Co. KG
    Inventors: Peter Mahler, Gerhard Frey, Gotthard Lerch