Patents by Inventor Friedrich Zuckschwerdt

Friedrich Zuckschwerdt 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: 5323936
    Abstract: For the manual discharge of a pulverulent medium a discharge apparatus (1) has an air pump (9), whose compressed air flow receives the powder medium via an injector (37) and a turbulence chamber (38) from a dosing mechanism (25) automatically refillable from a medium reservoir (4) and is discharged accompanied by acceleration through an outlet channel (21). Thus, with a compact construction and easy handling, the production of an aerosol for inhalation purposes or the like is ensured in simple manner.
    Type: Grant
    Filed: June 10, 1993
    Date of Patent: June 28, 1994
    Assignee: Ing. Erich Pfeiffer GmbH & Co. KG
    Inventors: Michael Wolter, Friedrich Zuckschwerdt