Patents by Inventor Günther Tandler

Günther Tandler 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: 6619344
    Abstract: A device for filling an ink cartridge, particularly a refilling device for filling ink cartridges of ink-jet systems, such as printers and plotters, or other automatic registering, writing or drawing apparatus, includes a refilling container and an ink cartridge connected through an adaptor and arranged essentially one above the other in the filling position. The adaptor has at least two connections for the refilling container and the cartridge to be connected. A separate ink reservoir is arranged in the ink cartridge, wherein the ink reservoir of the ink cartridge and/or the filling container of the refilling container includes an easily deformable bag, and wherein the reservoir bag and/or container bag are of a flexible, elastic material. A hermetically sealed cartridge space is formed between the cartridge housing and the separate ink reservoir.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: September 16, 2003
    Assignee: J. S. Staedtler GmbH & Co.
    Inventors: Volker Schönfelder, Günther Tandler, Thomas Bothe
  • Patent number: 6360795
    Abstract: A refill arrangement for an ink reservoir of an automatic writing system has an ink reservoir, an adaptor, and a refill container provided as individual parts and to be combined for filling the ink reservoir such that the adaptor connects the refill container to the ink reservoir and such that the refill container, the adaptor, and the ink reservoir are hermetically sealed relative to the ambient atmosphere when connected. The refill container is positioned vertically above the ink reservoir in a filling position of the refill arrangement. The refill arrangement operates pressureless or by gravity feed. The adaptor has a housing, a first connector arranged in the housing for receiving a connecting piece of the ink reservoir and a second connector arranged in the housing for receiving a connecting piece of the refill container. The housing has a filling channel connecting the first and second connectors.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: March 26, 2002
    Assignee: J. S. Staedtler GmbH & Co.
    Inventors: Thomas Bothe, Anke Müller, Günther Tandler, Klaus Fischbäck