Patents by Inventor Henricus Wilhelmus Cornelia Douven

Henricus Wilhelmus Cornelia Douven 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).

  • Ink supply system for an ink jet printer
    Patent number: 7338153
    Abstract: An ink supply system for an ink jet printer, comprising: an ink cartridge for accommodating a limited volume of liquid ink, an ink tank having a volume larger than said limited volume and connectable to the ink cartridge, and an ink supply line including a disengageable coupling, for connecting the ink tank to the ink cartridge, wherein the coupling includes a valve mechanism which, when the coupling is disengaged, automatically blocks the ink supply line and opens a vent passage for venting the interior of the cartridge.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: March 4, 2008
    Assignee: OCE-Technologies B.V.
    Inventors: Albertus Matheus Berendina Maria Van Os, Henricus Wilhelmus Cornelia Douven
  • Ink supply system for an ink jet printer
    Publication number: 20060250459
    Abstract: An ink supply system for an ink jet printer, comprising: an ink cartridge for accommodating a limited volume of liquid ink, an ink tank having a volume larger than said limited volume and connectable to the ink cartridge, and an ink supply line including a disengageable coupling, for connecting the ink tank to the ink cartridge, wherein the coupling includes a valve mechanism which, when the coupling is disengaged, automatically blocks the ink supply line and opens a vent passage for venting the interior of the cartridge.
    Type: Application
    Filed: July 12, 2006
    Publication date: November 9, 2006
    Inventors: Albertus Matheus Berendina Maria Van Os, Henricus Wilhelmus Cornelia Douven
  • Ink supply system for an ink jet printer
    Patent number: 7097288
    Abstract: An in supply system for an ink jet printer, comprising: an ink cartridge for accommodating a limited volume of liquid ink, and ink tank having a volume larger than said limited volume and connectable to the ink cartridge, and an ink supply line including a disengageable coupling, for connecting the ink tank to the ink cartridge, wherein the coupling includes a valve mechanism which, when the coupling is disengaged, automatically blocks the ink supply line and opens a vent passage for venting the interior of the cartridge.
    Type: Grant
    Filed: August 18, 2003
    Date of Patent: August 29, 2006
    Assignee: OCE-Technologies B.V.
    Inventors: Albertus Matheus Berendina Maria Van Os, Henricus Wilhelmus Cornelia Douven
  • Ink supply system for an ink jet printer
    Publication number: 20040032469
    Abstract: An in supply system for an ink jet printer, comprising:
    Type: Application
    Filed: August 18, 2003
    Publication date: February 19, 2004
    Inventors: Albertus Matheus Berendina Maria Van Os, Henricus Wilhelmus Cornelia Douven