| Patents for B41K 1 - Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor (3,474) |
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| 03/11/1998 | CN2275946Y Mosaic seal |
| 03/04/1998 | EP0826507A1 Stamp material, stamp material-setting jig and stamp assembly |
| 02/25/1998 | EP0825036A1 Numbering device for documents and numbered documents |
| 02/25/1998 | CN1174367A New-type automatic anti-fake stamp |
| 02/19/1998 | WO1998006586A1 Printer |
| 02/18/1998 | CN2274576Y Anti-forgeable seal printer by laser holograms |
| 02/17/1998 | US5718169 Self-inking stamp |
| 02/12/1998 | WO1998005503A1 Method of making a laminate comprising a conductive polymer composition |
| 02/12/1998 | CA2261895A1 Method of making a laminate comprising a conductive polymer composition |
| 02/04/1998 | EP0628420B1 Printer |
| 02/04/1998 | CN2273649Y Character stamping mechanism of hot ink-wheel printing machine |
| 01/29/1998 | WO1998003345A1 Inking pad |
| 01/27/1998 | US5711249 Marking device |
| 01/20/1998 | US5709145 Matrix plate holder and matrix plate for a hand stamp |
| 01/10/1998 | CA2180760A1 Composite stamping head for marking metal and ductile materials |
| 01/07/1998 | CN1169375A Compound anti-fake cipher seal |
| 01/06/1998 | US5704968 Stamp ink and stamp ink impregnation pad for stencil printing |
| 01/02/1998 | DE19634284C1 Stamping punch with hinging tool |
| 12/31/1997 | CN1168835A Prepn. of printing forme plate or the plate group, and the printing apparatus therefor |
| 12/24/1997 | CN1168318A Electronic instrument |
| 12/17/1997 | CN2270625Y Hand stamp and seal cutting article surface protective cap |
| 12/17/1997 | CN1167679A Dial input device |
| 12/10/1997 | CN1167463A Stamping device |
| 12/09/1997 | US5694855 Stationery stamping system |
| 12/09/1997 | US5694844 Stencil stamp assembly |
| 12/03/1997 | EP0810100A1 Printing sheet for ink stamp |
| 11/26/1997 | CN1036511C Adjustable mount device for pre-inked hand stamp |
| 11/26/1997 | CN1036510C Mfg. method of osmosis type atom seal |
| 11/25/1997 | US5691102 Process of producing ink-oozing plate for a stamp |
| 11/19/1997 | EP0807532A1 Stamp device |
| 11/19/1997 | EP0807531A1 Stamp unit capable of detachably holding stamp plate formed with stamp image |
| 11/19/1997 | CN2267934Y Date filling-in seal |
| 11/19/1997 | CN2267933Y Date-changeable copper seal |
| 11/12/1997 | CN2267158Y Folding seal supporting stand |
| 11/12/1997 | CN2267157Y Mechanism type universal secret code seal |
| 11/05/1997 | EP0804344A1 Stamping device |
| 10/29/1997 | EP0803372A1 Self-inking stamp |
| 10/29/1997 | CN2265893Y Universal mark stamp |
| 10/22/1997 | CN2265288Y Automatic inking stamp |
| 10/22/1997 | CN2265287Y Automatic inking stamp |
| 10/15/1997 | EP0800459A1 Stamping part of a stamp |
| 10/15/1997 | CN2264658Y Stamp sleeve |
| 10/15/1997 | CN2264657Y Multi-point location stamp with calendar |
| 10/15/1997 | CN2264656Y New stamp |
| 10/15/1997 | CN2264655Y Improved structure capable of adjusting depth of stamp surface |
| 10/01/1997 | EP0798114A2 A stamp producing device |
| 10/01/1997 | CN1160643A Invisible anti-fake stamp pad |
| 10/01/1997 | CN1160642A Invisible anti-fake stamp |
| 10/01/1997 | CN1160635A Method for generating stamp image and its device and apparatus for making stamp |
| 09/30/1997 | US5671668 Hand stamp |
| 09/30/1997 | CA2107643C Adjustable mount device for pre-inked hand stamp |
| 09/24/1997 | CN1159981A Method and device for making stamp |
| 09/23/1997 | US5669304 Stamp unit and method of preparing stamp unit |
| 09/17/1997 | EP0794870A1 Stamping device |
| 09/17/1997 | CN2262488Y Anti-forge stamp tube |
| 09/17/1997 | CN2262487Y Stamp capable of automatically feeding ink |
| 09/17/1997 | CN2262486Y Anti-forge atomic stamp |
| 09/10/1997 | CN1159041A Signet with name, fingerprint and identity card number |
| 09/03/1997 | CN2261333Y Seal |
| 08/27/1997 | CN2260711Y Wired double-colour anti-fake seal |
| 08/27/1997 | CN2260710Y Check seal |
| 08/20/1997 | CN2259998Y Anti-counter-feit atomic stamp |
| 08/13/1997 | EP0764085A4 Ink pad assemblies with interchangeable ink-impregnated pads |
| 08/13/1997 | CN2259360Y High-speed marking machine |
| 08/12/1997 | US5655451 Interfitting stamp set for faux finishing |
| 08/06/1997 | CN2258816Y Automatic adjusting type stamp |
| 08/06/1997 | CN1156090A Safety stamp |
| 08/05/1997 | US5653804 Method of stamping expandable stamp pad |
| 07/30/1997 | EP0786354A2 Rotary stamp |
| 07/30/1997 | CN2258454Y Multi-unit stamp toy for children |
| 07/23/1997 | EP0784543A1 Lithographic surface or thin layer modification |
| 07/23/1997 | EP0784542A1 Stamp for a lithographic process |
| 07/22/1997 | US5649485 Self-inking stamp |
| 07/16/1997 | CN2257763Y Signet-aid device |
| 07/15/1997 | US5647278 Figures printing/cutting device |
| 07/15/1997 | US5647273 Stamp cartridge for use in a stamp unit |
| 07/09/1997 | EP0782930A2 Hand stamp |
| 07/02/1997 | CN2257244Y Automatic ink-supply seal |
| 07/01/1997 | US5644136 Seal making device |
| 07/01/1997 | US5642667 Stamping structure |
| 07/01/1997 | US5642665 Stencil stamp assembly and method for preparation thereof |
| 06/26/1997 | WO1997022478A1 Stamp mounting |
| 06/25/1997 | CN2256816Y Automatic number change stamp |
| 06/25/1997 | CN2256815Y Stamp with new structure |
| 06/18/1997 | CN2256373Y Stamp for added value special receipt |
| 06/10/1997 | US5636569 Ink pad assemblies with interchangeable ink-impregnated pads |
| 06/04/1997 | CN2255352Y Hard-material fingerprint stamp |
| 06/04/1997 | CN2255351Y Duplex anti-fake cipher stamp |
| 05/28/1997 | EP0775588A1 Method and apparatus for stabilizing microporous marking structures |
| 05/21/1997 | EP0774362A1 Stamp with frame |
| 05/21/1997 | EP0774352A1 Method for forming stamp face and stamp face forming device |
| 04/30/1997 | CN2253290Y Anti-forging self-inking stamp |
| 04/29/1997 | US5623875 Multi-color and easy to assemble automatic rubber stamp |
| 04/16/1997 | CN2252107Y Combined seal box |
| 04/16/1997 | CN2252106Y Convenience seal |
| 04/16/1997 | CN2252105Y New structure of wheel type seal |
| 04/16/1997 | CN2252104Y Automatic locating postmark |
| 04/15/1997 | US5620777 Porous rubber stamp material having open cells |
| 04/15/1997 | US5619916 Printer with a mechanism for idling setting wheels |
| 04/09/1997 | EP0767068A2 Sound generating stamping device |