Class B43K : IMPLEMENTS FOR WRITING OR DRAWING
Subclass 5/10: Pens with ink reservoirs in holders, e.g. fountain-pens (nibs or writing-points with ink reservoirs B43K 1/01; ball-point pens B43K 7/00; pens with writing-points other than nibs or balls B43K 8/00; multiple-point writing implements B43K 27/00) Ink reservoirs with reserve ink chambers
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12030338 | Fountain pen with quick-filling coupling | Sep 01, 21 | Jul 09, 24 | Montblanc-Simplo GmbH |
| 11548313 | Liquid storage and release device and pen | May 23, 19 | Jan 10, 23 | Crayola LLC |
| 10889143 | Refillable writing instrument | Aug 24, 17 | Jan 12, 21 | Not available |
| 10827816 | Applicator | May 10, 17 | Nov 10, 20 | WINTRADING CO., LTD. |
| 10611185 | Liquid ink writing instrument | Jan 09, 18 | Apr 07, 20 | QINGDAO CHANGLONG STATIONERY CO., LTD. |
| 10172431 | Pen and Pen Refill | Oct 14, 15 | Jan 08, 19 | Kuretake Co. Ltd. |
| 9161604 | Pen dispensers with cartridges and interchangeable tip applicators | Feb 24, 15 | Oct 20, 15 | SASHAY BEAUTY PRODUCTS, INC. |
| 9119457 | Collector-type applicator implement | May 20, 14 | Sep 01, 15 | MITSUBISHI PENCIL COMPANY, LIMITED |
| 9081174 | Method of making an electrowetting device | Nov 26, 13 | Jul 14, 15 | NATIONAL CHUNG HSING UNIVERSITY |
| 8985884 | Pen dispensers with cartridges and interchangeable tip applicators | Jul 30, 13 | Mar 24, 15 | SASHAY BEAUTY PRODUCTS, INC. |
| 8982448 | Electrowetting device | Nov 26, 13 | Mar 17, 15 | NATIONAL CHUNG HSING UNIVERSITY |
| 8540124 | Dispensing pen | Oct 11, 07 | Sep 24, 13 | LUCAS PACKAGING GROUP, INC. |
| 6951499 | Toy sword with contact indicator | May 04, 04 | Oct 04, 05 | Not available |
| 6582144 | Writing implement | Jan 14, 02 | Jun 24, 03 | Mitsubishi Pencil Kabushiki Kaisha |
| 6176633 | Marking instrument | Oct 28, 99 | Jan 23, 01 | PARKER PEN PRODUCTS |
| 5222824 | Regulated ink flow control system for pen | Jan 14, 92 | Jun 29, 93 | BEROL CORPORATION |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2019/0283,485 | A LIQUID INK WRITING INSTRUMENT | Jan 09, 18 | Sep 19, 19 | QINGDAO CHANGLONG STATIONERY CO., LTD. |
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