Patents Examined by Andres Q. Kashnikow
  • Patent number: 6026992
    Abstract: A dispenser (1,1a) provides for filling a dosing chamber (15,15a) by gravity and then emptying it by closing an inlet valve (39,39a), by opening an outlet valve (40,40a) and by shortening the dosing chamber (15,15a) with the assistance of air flow through a discharge port (7,7a) and into a cup (80) which in one embodiment is assembled as part of the dispenser (1a) and which is removable so that its medium contents can be dispensed. Such a dispenser (1,1a) achieves a highly accurate dosing with simple handling and construction.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: February 22, 2000
    Assignee: Ing. Erich Pfeiffer GmbH
    Inventors: Stefan Kaefer, Karl-Heinz Fuchs