Patents by Inventor Gordian Machler

Gordian Machler 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: 6074049
    Abstract: An ink cartridge with an ink impregnated foam element contained therein is provided. A first opening is provided in the ink cartridge and is sealed by a cover. This cover is pierced by a tubular connector piece when the ink cartridge is inserted into a printing head. The tubular connector piece forms a seal with a sealing surface of the first opening which is formed below the cover to prevent any leakage of ink. A second opening is also formed in the ink cartridge to allow air to be delivered to the interior of the ink cartridge.
    Type: Grant
    Filed: April 6, 1995
    Date of Patent: June 13, 2000
    Assignee: Pelikan Produktions AG
    Inventor: Gordian Machler