Assignee
STAEDTLER FA J S
US·53 granted patents·4 pending applications·824 citations·filing 1979–2008
Top patents by PatentIndex Score
57 records- 0194USD319845SMechanical penSTAEDTLER FA J S·Filed 1989·Granted Sep 10, 1991·75 cites·1 claims
- 0294USD319844SBall point penSTAEDTLER FA J S·Filed 1989·Granted Sep 10, 1991·61 cites·1 claims
- 0392US7612125B2Ink and method of using the inkSTAEDTLER FA J S·Filed 2008·Granted Nov 3, 2009·36 cites·8 claims
- 0489USD303992SRetractable holder for an eraser or similar articleSTAEDTLER FA J S·Filed 1986·Granted Oct 10, 1989·34 cites·1 claims
- 0583US6364100B1Case for rod-shaped objectsSTAEDTLER FA J S·Filed 2000·Granted Apr 2, 2002·35 cites·16 claims
- 0682USD342088SHolder for lead refillsSTAEDTLER FA J S·Filed 1992·Granted Dec 7, 1993·31 cites·1 claims
- 0780US5961703AAqueous ink having an extended cap-off time and process of manufacture thereofSTAEDTLER FA J S·Filed 1998·Granted Oct 5, 1999·64 cites·27 claims
- 0876USD430608SShaft for a writing instrument, painting implement or cosmetic utensilSTAEDTLER FA J S·Filed 1998·Granted Sep 5, 2000·28 cites·1 claims
- 0974USD418872SInstrument for writing, drawing or markingSTAEDTLER FA J S·Filed 1998·Granted Jan 11, 2000·18 cites·1 claims
- 1074US5935310AInk for changeable color applicationsSTAEDTLER FA J S·Filed 1998·Granted Aug 10, 1999·40 cites·17 claims
- 1174USD320618SWriting and drawing instrumentSTAEDTLER FA J S·Filed 1989·Granted Oct 8, 1991·16 cites·1 claims
- 1273US6619344B2Device for filling an ink cartridgeSTAEDTLER FA J S·Filed 2002·Granted Sep 16, 2003·22 cites·10 claims
- 1372US6360795B1Device and arrangement for filling an ink reservoirSTAEDTLER FA J S·Filed 2000·Granted Mar 26, 2002·22 cites·18 claims
- 1469US6610130B2Aqueous ink set and its useSTAEDTLER FA J S·Filed 2001·Granted Aug 26, 2003·8 cites·17 claims
- 1568USD427433SCaseSTAEDTLER FA J S·Filed 1998·Granted Jul 4, 2000·14 cites·1 claims
- 1667USD330914SCase for writing instruments or the likeSTAEDTLER FA J S·Filed 1990·Granted Nov 10, 1992·13 cites·1 claims
- 1767US4336071AKneading and modeling compound and the use thereofSTAEDTLER FA J S·Filed 1980·Granted Jun 22, 1982·24 cites·19 claims
- 1865US5888284AWater-based inks and ink sets and use thereofSTAEDTLER FA J S·Filed 1997·Granted Mar 30, 1999·23 cites·22 claims
- 1964US6102535AInk cartridge with closing deviceSTAEDTLER FA J S·Filed 1999·Granted Aug 15, 2000·31 cites·13 claims
- 2063US6837924B2Modeling composition and its useSTAEDTLER FA J S·Filed 2002·Granted Jan 4, 2005·8 cites·5 claims
- 2161US7286249B2Printer or other automatic printing system with additional control device and control device thereforSTAEDTLER FA J S·Filed 2003·Granted Oct 23, 2007·8 cites·17 claims
- 2261USD530747SWriting, drawing or painting utensilSTAEDTLER FA J S·Filed 2005·Granted Oct 24, 2006·10 cites·1 claims
- 2358US4634306AWriting point for writing or recording instruments and process for its manufactureSTAEDTLER FA J S·Filed 1983·Granted Jan 6, 1987·22 cites·3 claims
- 2455US5486550AWater based pigmented inkSTAEDTLER FA J S·Filed 1994·Granted Jan 23, 1996·25 cites·15 claims
- 2554US5154526ACapillary pen coverSTAEDTLER FA J S·Filed 1991·Granted Oct 13, 1992·19 cites·4 claims
- 2651US4325072AWriting device control apparatusSTAEDTLER FA J S·Filed 1979·Granted Apr 13, 1982·9 cites·6 claims
- 2751US2007135562A1Modelling material and its useSTAEDTLER FA J S·Filed 2006·Application pending·0 cites
- 2850USD518522SWriting, drawing or painting utensilSTAEDTLER FA J S·Filed 2002·Granted Apr 4, 2006·6 cites·1 claims
- 2950US4952088AClip of caps adapted to remove shaftSTAEDTLER FA J S·Filed 1988·Granted Aug 28, 1990·14 cites·13 claims
- 3048USD530740SInk cartridgeSTAEDTLER FA J S·Filed 2004·Granted Oct 24, 2006·6 cites·1 claims
- 3147US2006251528A1Metering pump for varnish or lacquerSTAEDTLER FA J S·Filed 2006·Application pending·0 cites
- 3246US4892428ATip removal deviceSTAEDTLER FA J S·Filed 1987·Granted Jan 9, 1990·12 cites·12 claims
- 3344USD419188SCombined compass and writing instrumentSTAEDTLER FA J S·Filed 1998·Granted Jan 18, 2000·5 cites·1 claims
- 3441US5054949ACap for writing implement with air ventSTAEDTLER FA J S·Filed 1989·Granted Oct 8, 1991·9 cites·6 claims
- 3540US5075054AMethod for the preparation of pencil leadSTAEDTLER FA J S·Filed 1989·Granted Dec 24, 1991·5 cites·9 claims
- 3640US4938620AWriting point or tracing elementSTAEDTLER FA J S·Filed 1987·Granted Jul 3, 1990·7 cites·22 claims
- 3740US2006194049A1Lead for writing, drawing and painting utensilsSTAEDTLER FA J S·Filed 2006·Application pending·0 cites
- 3839US6998436B2Ink for ink jet printing and method of using the inkSTAEDTLER FA J S·Filed 2002·Granted Feb 14, 2006·1 cites·4 claims
- 3939US4915529ASealing cap for writing, drawing or painting instrumentSTAEDTLER FA J S·Filed 1988·Granted Apr 10, 1990·13 cites·7 claims
- 4037US5118345AComposition for the preparation of pencil leadSTAEDTLER FA J S·Filed 1990·Granted Jun 2, 1992·5 cites·6 claims
- 4134US6884287B2Ink base for pigmented inks, inks manufactured therefrom and their useSTAEDTLER FA J S·Filed 2003·Granted Apr 26, 2005·0 cites·10 claims
- 4233US6092950AMethod of manufacturing laminated plates, pencil boards and/or shafts for writing, drawing or paintingSTAEDTLER FA J S·Filed 1998·Granted Jul 25, 2000·3 cites·3 claims
- 4333USD393424SCompassSTAEDTLER FA J S·Filed 1996·Granted Apr 14, 1998·1 cites·1 claims
- 4433US5521239ARubber eraser and process for manufacturing itSTAEDTLER FA J S·Filed 1994·Granted May 28, 1996·4 cites·22 claims
- 4533US4809023AAutomatic pencil device for automatic drafting and writing machinesSTAEDTLER FA J S·Filed 1983·Granted Feb 28, 1989·5 cites·13 claims
- 4632US2005085562A1Ink and method of using the inkSTAEDTLER FA J S·Filed 2004·Application pending·0 cites
- 4731US4981383ADevice for screwing a writing instrument tip into a writing fluid reservoirSTAEDTLER FA J S·Filed 1989·Granted Jan 1, 1991·4 cites·2 claims
- 4830US6123754AWood-impregnating agent and process for its production and useSTAEDTLER FA J S·Filed 1997·Granted Sep 26, 2000·2 cites·10 claims
- 4929US5104249AWriting tip for a ball point penSTAEDTLER FA J S·Filed 1989·Granted Apr 14, 1992·8 cites·17 claims
- 5027US5533824AWriting or drafting instrument with exchangeable writing medium containerSTAEDTLER FA J S·Filed 1994·Granted Jul 9, 1996·5 cites·9 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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