| Patents for B43K 5 - Pens with ink reservoirs in holders, e.g. fountain-pens (4,639) |
|---|
| 06/11/1991 | US5022773 Retractable pen with self sealing writing tip opening |
| 06/05/1991 | EP0289540B1 Writing point or tracing element |
| 05/29/1991 | CN2077795U Pen being suitable to write various national characters |
| 05/22/1991 | CN2077372U Fountain pen without ink bag |
| 05/21/1991 | US5017035 Breach loading cartridge pen |
| 05/16/1991 | DE3937298A1 Instrument for applying a low viscosity adhesive - has substance contained in cartridge which is rigid in longitudinal direction |
| 05/16/1991 | DE3937296A1 Applicator low viscosity adhesive - has cartridge with elastic container to hold substance |
| 05/16/1991 | DE3937295A1 Dispenser for applying adhesive - has adhesive supplied in cartridge fitted with piston |
| 05/16/1991 | DE3937293A1 Applicator for low viscosity materials, particularly adhesives - has inner housing for cartridge and outer housing with closure cap which releases balls from seats in cartridge allowing material flow |
| 05/07/1991 | US5013172 Writing utensil with spacer ring |
| 05/07/1991 | US5012663 Method of bending a ball point pen tip |
| 04/20/1991 | CA2028000A1 Painting/writing instrument |
| 04/18/1991 | DE3934223A1 Piston for ink containers of refillable pens - is freely moving and has elastic sealing collar in angled recess which expands against outer wall during piston rod movement |
| 04/03/1991 | CN2074236U Nib-cleanable pen |
| 04/02/1991 | US5004365 Drop-weight and tubular writing instrument |
| 03/28/1991 | DE3931394C1 Cover for pen or pencil - has internally threaded decorative sleeve with body divided along straight line |
| 03/28/1991 | DE3931161A1 Writing element for writing implement - has ink channel from writing tip to ink conductor end |
| 03/27/1991 | EP0418397A1 Fluid discharge device |
| 03/20/1991 | CN2073364U Fountain pen with soft tongue and flat nib |
| 03/19/1991 | US5000606 Drop-weight and tubular writing instrument |
| 03/19/1991 | US5000599 Writing implement |
| 03/19/1991 | CA1281683C Fixing member for retaining liquid-application member of liquid applicator such as writing instrument, cosmetic instrument and the like |
| 03/14/1991 | DE4013011C1 Tubular pen used as writing implement - has buffer chamber between front end of bore and rear end of tube which is checked for ink level by regulator |
| 03/13/1991 | CN2072911U Pen |
| 03/13/1991 | CN2072910U Multi-purpose pen |
| 03/13/1991 | CN1049824A Watercolor pen core |
| 03/05/1991 | US4997301 Fountain pen |
| 02/21/1991 | DE3927226A1 Appliance for applying viscous substance - has internal mechanism operated by compressing flexible wall of housing |
| 02/20/1991 | EP0413273A1 Valve for a writing instrument |
| 02/19/1991 | US4993860 For a liquid medium |
| 02/14/1991 | DE3926271A1 Ink duct for fountain pen - consists of series of interconnected discs placed one upon another |
| 02/13/1991 | CN2071130U Fountain pen without ink |
| 02/07/1991 | DE3925681A1 Applying paste-like substance - involves device which imparts stepwise motion to actuating piston |
| 02/06/1991 | CN2070677U Button type ink filling reed for pen |
| 02/05/1991 | US4990012 Writing instrument with displaceable safety separator |
| 01/30/1991 | CN2070246U U type double function piston fountain pen |
| 01/29/1991 | US4988227 Writing means |
| 01/29/1991 | CA1279609C Pin-shaped device for releasing a flowable medium |
| 01/23/1991 | CN2069790U Quick inking fountain pen |
| 01/22/1991 | US4986685 Writing instrument |
| 01/22/1991 | US4986683 Tubular writing instrument |
| 01/17/1991 | DE3922562A1 Fluid dosing atomiser system - has outlet valve with float to control feed passage to tank |
| 01/16/1991 | CN2069353U Outside absorbed ink type pen |
| 01/15/1991 | US4984923 Liquid applicator with axial value actuation |
| 01/09/1991 | CN2068913U Fountain pen with externally compressed suction |
| 01/02/1991 | EP0405768A1 Hydrophobic venting of free liquid ink reservoir pen |
| 01/02/1991 | EP0405182A1 Tubular writing tip |
| 01/02/1991 | CN2068463U Bill automatic seal-affixing device |
| 01/01/1991 | US4981383 Device for screwing a writing instrument tip into a writing fluid reservoir |
| 12/29/1990 | CA2011485A1 Hydrophobic venting of free liquid ink reservoir pen |
| 12/25/1990 | US4979840 Fountain pen with correction-cartridge receiver |
| 12/20/1990 | DE3923828C1 Fluid applicator ratchet - has centre hole through which plunger passes with play, and coil spring between ratchet and transverse sleeve end wall |
| 12/19/1990 | CN2067648U Writing pen |
| 12/18/1990 | US4978242 Brush tip of liquid applicator and method for producing the same |
| 12/12/1990 | CN2067221U Needle tube type drawing pen |
| 12/11/1990 | US4976564 Implement for applying liquid |
| 11/28/1990 | EP0398936A1 Appliance for storing and applying a liquid |
| 11/27/1990 | US4973180 Pen with slide plug and valve |
| 11/22/1990 | DE4015152A1 Liq. applicator |
| 11/20/1990 | US4970854 Ink occlusion material for writing utensils |
| 11/19/1990 | WO1990014964A1 A pen |
| 11/15/1990 | WO1990013365A1 Tip of valved applicator |
| 11/14/1990 | CN2065554U Hand controlled multi functional pen and its ink reservoirs |
| 11/14/1990 | CN2065553U Multi-purpose art pen |
| 11/14/1990 | CN2065552U Fountain-pen for thick or fine writing |
| 11/13/1990 | US4969765 Mechanical marking pen |
| 11/06/1990 | US4968169 Penpoint assembly and writing instrument employing the same |
| 10/31/1990 | DE3943458A1 Cartridge holder for fountain pen |
| 10/30/1990 | US4966483 Valve operating mechanism |
| 10/30/1990 | US4966480 Washing liquid cartridge for refill ink type writing instrument |
| 10/25/1990 | DE3916343C1 Retractable pen with spring-loaded flap - has angled sleeve which is closed by flap and has pivoting lug |
| 10/24/1990 | EP0393320A1 Feeding system for capillary liquid applicators |
| 10/18/1990 | WO1990012691A1 Ink jet nozzle/valve, pen and printer |
| 10/18/1990 | WO1990011899A1 Holder for a writing article or the like |
| 10/18/1990 | CA2049315A1 Ink jet nozzle/valve, pen and printer |
| 10/11/1990 | DE3910982A1 Hand-held writing instrument |
| 10/10/1990 | EP0391083A1 Ink reservoir |
| 10/04/1990 | WO1990011137A1 Fluid discharge device |
| 10/02/1990 | US4960340 Implement for applying liquid |
| 09/25/1990 | US4958748 Adhesive container/feeder |
| 09/12/1990 | CN2061899U Pen |
| 09/05/1990 | CN1045062A Perfusion-type fountain pen |
| 09/04/1990 | US4954002 Writing instrument with membrane vent and their manufacture |
| 08/30/1990 | DE4005856A1 Piston for fluid applicator - with specified angle for piston rear lip |
| 08/28/1990 | US4952089 Writing implement |
| 08/28/1990 | US4952088 Clip of caps adapted to remove shaft |
| 08/27/1990 | CA2010892A1 Piston used for a fluid painting instrument to push out a fluid |
| 08/16/1990 | WO1990009288A1 Writing appliance that closes automatically after a given time-interval |
| 08/16/1990 | EP0381818A1 Ink level inspection means for writing devices |
| 08/16/1990 | DE3904578A1 Schreibgeraet mit zeitgesteuerter, vollautomatischer kappe Schreibgeraet with time-controlled, fully automatic cap |
| 08/16/1990 | CA2045668A1 Writing appliance that closes automatically after a given time-interval |
| 08/09/1990 | DE3903606A1 Writing and drawing appliance with air supply |
| 08/08/1990 | EP0380696A1 Temporary ink reservoir and writing instrument using same |
| 08/01/1990 | CN2059876U Automatic prealarm and ink-filling pen |
| 07/12/1990 | DE3942117A1 Geraet zum auftragen von fluessigkeiten Geraet for applying liquids |
| 07/10/1990 | US4940351 Liquid applicator with movable supply tube |
| 07/09/1990 | CA2005543A1 Fluid application tool |
| 07/09/1990 | CA2005541A1 Fluid application tool |
| 07/04/1990 | EP0375890A2 Pen with an ink cartridge |
| 07/03/1990 | US4938620 Writing point or tracing element |