Patents by Inventor Werner Edler

Werner Edler 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: 4819553
    Abstract: A device for making extracts of coffee or tea, including a continuous-flow water heater; a collecting container coupled to the water heater for receiving hot water therefrom; a filter vessel adapted to receive ground coffee or tea leaves; a siphon disposed in the collecting container for discharging hot water from the collecting container into the filter vessel; an outlet pipe forming part of the siphon and projecting into an outlet opening at a lowest location of the collecting container; a seal provided on an exterior surface of the outlet pipe; and a support for axially displaceably holding the outlet pipe. The support has an actuator for moving the outlet pipe into a position in which the seal closes the outlet opening and into another position in which the seal opens the outlet opening for allowing water to be emptied from the collecting container into the filter vessel through the outlet opening.
    Type: Grant
    Filed: June 6, 1988
    Date of Patent: April 11, 1989
    Assignee: Melitta-Werke Bentz & Sohn
    Inventors: Hans D. Heyn, Werner Edler