B43K 8/12
Writing-points or writing-point units being separable from reservoir
Official title: writing-points or writing-point units being separable from reservoir
B43K8/12 (Writing-points or writing-point units being separable from reservoir) appears on 21 US grants and 27 published applications in this corpus.
Search patents in B43K- Granted patents
- 21
- Published applications
- 27
- Assignees
- 19
- Inventors
- 49
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 3 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 6 |
| 2022 | 3 | 2 |
| 2023 | 2 | 2 |
| 2024 | 3 | 0 |
| 2025 | 2 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for applying a viscous substance6 May 2025US 12,290,825 B2Schwan-Stabilo Cosmetic GmbH & Co. KG
- Applicator for hazardous materials14 Jan 2025US 12,194,774 B2Henkel AG & Co. KGaA
- Knock-type writing instrument10 Dec 2024US 12,162,305 B2Mitsubishi Pencil Company, Limited
- Double-head marker pen18 Jun 2024US 12,011,948 B2China First Pencil Co., Ltd.
- Applicator2 Jan 2024US 11,858,289 B23S S.A.
- Controllable direct liquid tool pen30 Jul 2026US 2026/0217052 A1Jiangxi Yihuale Pen Industry Co., Ltd
- Applicator16 Jul 2026US 2026/0199932 A1Mitsubishi Pencil Company, Limited
- Attachment structure in writing instrument, writing instrument, and soft member30 Oct 2025US 2025/0332858 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Sharp type paint marker pen2 Oct 2025US 2025/0303778 A1Mungyo Ons Corporation
- Applicator for hazardous materials8 May 2025US 2025/0144955 A1Henkel AG & Co. KGaA
Most cited
By later US patents
- Porous tip liquid applicator having draw fill mechanism20US 8,092,108 B22012
- Cleaning utensil12US 6,663,309 B2WKI Holding Company, Inc. · 2003
- Micro motion poppet valve assembly for delivery of ink with large pigment particles to a writing nib and writing instrument comprising same6US 9,050,850 B2Sanford, L. P. · 2015
- Fountain pen5US 4,997,301 A1991
- Fluid application device and uses thereof3US 9,802,439 B2Societe BIC · 2017