Patents by Inventor Franz Gutler

Franz Gutler 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: 4955298
    Abstract: A roller doctor (squeegee) (1) for applying a fluid material (7), such as substances having different viscosity, coating substances, varnishes, adhesives, pastes, etc. to a substrate (4), has a magnetically chargeable doctor roller (2) and roller supporting members (11). Roller fixing parts (3) are fitted onto the doctor roller (2) and connected by a plug connection (10) to the roller supporting member (11). This leads to a universally usable roller doctor apparatus (1) with a modular structure.
    Type: Grant
    Filed: March 15, 1989
    Date of Patent: September 11, 1990
    Assignee: Johannes Zimmer
    Inventors: Johannes Zimmer, Franz Gutler, Engelbert Mortl