Patents Assigned to J. S. Staedtler
  • Patent number: 7286249
    Abstract: A printing system has at least one print head, a refillable or exchangeable ink reservoir or reservoir system, an electronic device for printing, a communication system as a control device for transmitting, blocking, and processing different signals, pulses, information, and data. The communication system is connected to the electronic device for printing and the ink reservoir or the reservoir system.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: October 23, 2007
    Assignee: J.S. Staedtler GmbH & Co.
    Inventor: Stefan Engel
  • Patent number: 6998436
    Abstract: An ink for ink jet printing systems, preferably for continuous jet systems, contains as primary components coloring agents, organic solvents, conductivity mediators, and at least two binding agents, wherein the first binding agent is a bonding agent, and the second binding agent is a fixing agent and an agent for adjusting the viscosity. The ink is used for printing or writing on objects of plastics material, particularly rubber or silicone.
    Type: Grant
    Filed: January 30, 2002
    Date of Patent: February 14, 2006
    Assignee: J.S. Staedtler GmbH & Co.
    Inventors: Manuela Rau, Wolfgang Storck
  • Patent number: 6884287
    Abstract: An ink base for producing pigmented inks having a water base contains a drying retarder and a pH adjusting agent. The drying retarder contains at least diethylene glycol, 1,6-hexane diol, and pentaerythritol. The pH adjusting agent (PH) contains at least one amine. The ink base contains at least 30.0-95.5% by wt. diethylene glycol; 3.0-40.0% by wt. 1,6-hexane diol; 0.01-3.0% by wt. pentaerythritol; and 1.5-15.0% by wt. amine(s).
    Type: Grant
    Filed: November 19, 2003
    Date of Patent: April 26, 2005
    Assignee: J.S. Staedtler GmbH & Co.
    Inventors: Anke Müller, Manuela Geis, Stefan Engel
  • Patent number: 6837924
    Abstract: A modeling composition consisting of a wax-based and oil-based binder, a filler, and a coloring agent, wherein the filler is substantially a light filler comprised of hollow microbeads. The binder is comprised of solid wax, pasty wax, and a liquid component of a wax base, an oil base, or a wax and oil base. The binder is present in the modeling composition in an amount of 45 to 90% by weight. The modeling composition can be used as play dough for children or as a therapeutic composition in the medical field for training and rehabilitation.
    Type: Grant
    Filed: December 24, 2002
    Date of Patent: January 4, 2005
    Assignee: J. S. Staedtler GmbH & Co.
    Inventors: Johann Breindl, Heinrich Schnorrer, Josef Eichhammer, Josef Schuster, Heidi Hummel
  • Publication number: 20040099179
    Abstract: An ink base for producing pigmented inks having a water base contains a drying retarder and a pH adjusting agent. The drying retarder contains at least diethylene glycol, 1,6-hexane diol, and pentaerythritol. The pH adjusting agent (PH) contains at least one amine. The ink base contains at least 30.0-95.5% by wt. diethylene glycol; 3.0-40.0% by wt. 1,6-hexane diol; 0.01-3.0% by wt. pentaerythritol; and 1.5-15.0% by wt. amine(s).
    Type: Application
    Filed: November 19, 2003
    Publication date: May 27, 2004
    Applicant: J. S. Staedtler GmbH & Co.
    Inventors: Anke Muller, Manuela Geis, Stefan Engel
  • 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: 6610130
    Abstract: An ink set consists of several inks containing at least one of a red ink and a magenta ink, one of a blue ink and a cyan ink, and a yellow ink for piezo inkjet printers operating according to a drop-on-demand method. Each one of the inks contains at least one water-soluble dye as a principal colorant, a solvent, and one or more anti-drying agents. The solvent is substantially water. A first one of the inks contains “Direct Blue 199” as a primary or exclusive dye, a second one of the inks contains “Reactive Red 180” as a primary or exclusive dye, and a third one of the inks contains “Reactive Yellow 37” as a primary or exclusive dye. A black ink may be added to the ink set.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: August 26, 2003
    Assignee: J. S. Staedtler GmbH & Co.
    Inventor: Stefan Engel
  • Publication number: 20030142341
    Abstract: A printing system has at least one print head, a refillable or exchangeable ink reservoir or reservoir system, an electronic device for printing, a communication system as a control device for transmitting, blocking, and processing different signals, pulses, information, and data. The communication system is connected to the electronic device for printing and the ink reservoir or the reservoir system.
    Type: Application
    Filed: January 24, 2003
    Publication date: July 31, 2003
    Applicant: J.S. Staedtler GmbH Co.
    Inventor: Stefan Engel
  • Publication number: 20030131758
    Abstract: A modeling composition consisting of a wax-based and oil-based binder, a filler, and a coloring agent, wherein the filler is substantially a light filler comprised of hollow microbeads. The binder is comprised of solid wax, pasty wax, and a liquid component of a wax base, an oil base, or a wax and oil base. The binder is present in the modeling composition in an amount of 45 to 90% by weight. The modeling composition can be used as play dough for children or as a therapeutic composition in the medical field for training and rehabilitation.
    Type: Application
    Filed: December 24, 2002
    Publication date: July 17, 2003
    Applicant: J .S. Staedtler GmbH & Co.
    Inventors: Johann Breindl, Heinrich Schnorrer, Josef Eichhammer, Josef Schuster, Heidi Hummel
  • Patent number: 6364100
    Abstract: A case for rod-shaped objects has at least one receptacle, a closure part, and a first hinge, wherein the first hinge articulates the receptacle and the closure part relative to one another. The closure part can be folded relative to the receptacle about the first hinge into an open position in which the rod-shaped objects are accessible and forms a positioning support for the case to hold the case in an erect position when the case is placed onto a supporting surface. The closure part has a bottom closure part, a top closure part, and a second hinge, wherein the second hinge articulates the bottom closure part and the top closure part relative to one another so that the top closure part and the bottom closure part are foldable and pivotable relative to one another.
    Type: Grant
    Filed: July 12, 2000
    Date of Patent: April 2, 2002
    Assignee: J. S. Staedtler GmbH & Co.
    Inventor: Christian Leibeck
  • 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
  • Patent number: 6168336
    Abstract: A ballpoint pen in which ink is freely received in the shaft of the ballpoint pen or is received in a cartridge includes a supply wick, a compensating body and a writing tip with a ball, wherein the ball is fastened and rotatably mounted in a tube, and wherein the tube has a continuous ink duct. The ink duct of the ballpoint pen is constructed as a free throughbore and does not have any additional core bodies or ink conductors, and the supply wick extends axially completely through the compensating body in the area of the compensating chambers formed in the compensating body.
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: January 2, 2001
    Assignee: J. S. Staedtler GmbH & Co.
    Inventors: Horst Thost, Horst Kolb
  • Patent number: 6123754
    Abstract: The invention relates to a wood-impregnating agent, which is an emulsion, dispersion or solution of a cationic, quaternary, amphoteric and/or special non-ionic surfactant, the surfactant or surfactants being poorly soluble in water and the dispersion or emulsion having a mean particle size diameter or a mean droplet size diameter smaller than 1 .mu.m. Preferable surfactants include cationic and/or quaternary surfactants or compounds from the group of imidazolines, benzyls, alkyls, dialkyls, monoalkyl-trimethyl, dialkyl-dimethyl, methyl-dialkoxy-alkyl, dialkylmethylbenzyl, diamidoamine and/or cationic and/or quaternary surfactants or compounds from the group of complex diquaternary compounds and/or the group of compounds which assume a cationic character in acid medium and/or non-ionic compounds from the group of fatty amine oxides, amine ethoxylate, and/or adducts of an ethylene oxide, which can be protonated on an heteroatom and/or amphoteric compounds from the group of betaines and/or ampholytes.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: September 26, 2000
    Assignee: J. S. Staedtler GmbH & Co.
    Inventor: Werner Handl
  • Patent number: 6102535
    Abstract: An ink cartridge with a closing device for ink jet printers or similar writing, printing or drawing units, wherein the ink cartridge in the printer as well as the closing device are releasably mounted on the ink cartridge, wherein the ink cartridge can be filled manually or automatically with ink from an external tank, wherein the ink cartridge includes at least one housing, an ink reservoir and a refill opening, and wherein the refill opening is closeable by the closing device.
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: August 15, 2000
    Assignee: J.S. Staedtler GmbH & Co.
    Inventors: Ralph Papenfuhs, Manuela Rau
  • Patent number: D518522
    Type: Grant
    Filed: July 19, 2002
    Date of Patent: April 4, 2006
    Assignee: J.S. Staedtler GmbH & Co.
    Inventor: Christian Leibeck
  • Patent number: D530740
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: October 24, 2006
    Assignee: J.S. Staedtler GmbH & Co.
    Inventor: Stefan Engel
  • Patent number: D530747
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: October 24, 2006
    Assignee: J.S. Staedtler GmbH & Co.
    Inventor: Christian Leibeck
  • Patent number: D531665
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: November 7, 2006
    Assignee: J.S. Staedtler GmbH & Co. KG
    Inventor: Christian Leibeck
  • Patent number: D551708
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: September 25, 2007
    Assignee: J.S. Staedtler GmbH & Co. KG
    Inventor: Christian Leibeck
  • Patent number: D430608
    Type: Grant
    Filed: January 12, 1998
    Date of Patent: September 5, 2000
    Assignee: J.S. Staedtler GmbH & Co.
    Inventors: Walter Krieglstein, Armin Kugler