Patents by Inventor Guenther Rosenstock

Guenther Rosenstock 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).

  • Ink supply system for piezoelectrically operated printing jets
    Patent number: 4149172
    Abstract: Ink supply system for supplying a stream of ink from an ink reservoir to a piezoelectrically operated printing jet of an ink jet printer. The system includes a conduit interconnecting the reservoir to the printing jet in which is mounted a capillary filter. The conduit includes an elastic portion on the downstream side of the capillary filter and a ventable air receiver on the upstream side thereof.
    Type: Grant
    Filed: December 9, 1975
    Date of Patent: April 10, 1979
    Assignee: Siemens Aktiengesellschaft
    Inventors: Joachim Heinzl, Erich Kattner, Guenther Rosenstock