Patents by Inventor Ernst Emil Ruch

Ernst Emil Ruch 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: 6611985
    Abstract: The inventive cleaning card for magnetic track and chip card read/write devices has a card-shaped support (2) which consists of a nonwoven material and which is partially layered with a soft cleaning material (6). Said cleaning material (6) is located on several predetermined surface areas of the support (2) and consists of a fibrous flock with densely stuck-on individual fibres of predetermined length and with a predetermined diameter, which project essentially perperdincularly away from the support (2).
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: September 2, 2003
    Assignees: ECS AG, Wincor Nixdorf GmbH & Co. KG
    Inventors: Lutz Neubauer, Ernst Emil Ruch