Patents by Inventor Eduard Hilscher

Eduard Hilscher 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).

  • Filters
    Patent number: 4383925
    Abstract: A filter device suitable for filtering sludges which comprises (A) a tube-like filter as an outer wall consisting of a fabric of polyester or polyamide filament yarn which acts as a support for (B) an inner layer consisting of a non-woven fabric of man-made fibres and a process of dewatering industrial sludge.
    Type: Grant
    Filed: December 9, 1981
    Date of Patent: May 17, 1983
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Eduard Hilscher, Karl-Heinz Ott, Rudiger L. von Reppert
  • Heat exchanger element
    Patent number: 4230175
    Abstract: A heat exchanger element consists of a double fabric web coated on both sides, the distance between the face fabric and the back fabric of which is maintained by binder filaments. This double fabric web is provided with a feeder duct and discharge duct for liquid and gaseous media. The heat exchanger element is used as heat absorber or heater element. It is distinguished by its flexibility. As heater element, it may be doubled with carpet material or used as wall-to-wall carpet.
    Type: Grant
    Filed: February 13, 1978
    Date of Patent: October 28, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Dieter Disselbeck, Eduard Hilscher, Klaus Speier
  • Flexible container for wine and fruit-juice
    Patent number: 3965953
    Abstract: The opening in a flexible container for wine and fruitjuice of a rubber-lined or coated synthetic fabric is closed by a gas- and liquidtight zipper. An easy and unproblematic cleaning of the container is possible due to the easy opening and closing of the zipper.
    Type: Grant
    Filed: September 10, 1974
    Date of Patent: June 29, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Theo Becker, Eduard Hilscher, Karl-Heinz Ott