Patents by Inventor Johannes Wiederhold

Johannes Wiederhold 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: 5240650
    Abstract: The invention relates to a ventilation nozzle for fluids.In order to enable a simple cleaning and an inexpensive manufacture, the fluid channel in the ventilation nozzle is formed of two telescopically assembled tube sections. The two tube sections are connected to each other by radially outwardly protruding flanges and by fixing screws which are distributed along their circumference, with the flange of the tube section sealing the annular channel to the environment being mounted to its frontal end.
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: August 31, 1993
    Assignee: Anton Steinecker Entwicklungs GmbH & Co.
    Inventors: Johannes Wiederhold, Simon Redl