B43K 8/003
Pen barrels
Official title: {Pen barrels}
B43K8/003 (Pen barrels) appears on 278 US grants and 294 published applications in this corpus.
Search patents in B43K- Granted patents
- 278
- Published applications
- 294
- Assignees
- 128
- Inventors
- 468
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 2 |
| 2002 | 8 | 7 |
| 2003 | 10 | 10 |
| 2004 | 6 | 11 |
| 2005 | 12 | 18 |
| 2006 | 11 | 15 |
| 2007 | 7 | 18 |
| 2008 | 15 | 17 |
| 2009 | 5 | 18 |
| 2010 | 11 | 12 |
| 2011 | 5 | 17 |
| 2012 | 10 | 14 |
| 2013 | 11 | 12 |
| 2014 | 8 | 10 |
| 2015 | 14 | 19 |
| 2016 | 8 | 7 |
| 2017 | 18 | 18 |
| 2018 | 9 | 9 |
| 2019 | 11 | 6 |
| 2020 | 8 | 8 |
| 2021 | 6 | 7 |
| 2022 | 8 | 11 |
| 2023 | 12 | 12 |
| 2024 | 5 | 8 |
| 2025 | 8 | 6 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotatable writing pen28 Jul 2026US 12,691,705 B1
- Writing instrument part, method for manufacturing writing instrument part, and writing instrument10 Feb 2026US 12,545,047 B2Mitsubishi Pencil Company, Limited
- Writing instrument30 Sep 2025US 12,429,961 B2BIC Violex Single Member S.A.
- Writing utensil with opposing magnets23 Sep 2025US 12,420,579 B1AE Creative Concepts Co., Limited
- Pocket size pen10 Jun 2025US 12,325,257 B2
- Controllable direct liquid tool pen30 Jul 2026US 2026/0217052 A1Jiangxi Yihuale Pen Industry Co., Ltd
- Writing tool14 May 2026US 2026/0131592 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Writing instrument and writing part replacement unit25 Dec 2025US 2025/0388041 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)
- Writing instrument part, method for manufacturing writing instrument part, and writing instrument9 Oct 2025US 2025/0313033 A1Mitsubishi Pencil Company, Limited
Most cited
By later US patents
- Universal pen88US 6,454,482 B1Silverbrook Research Pty Ltd · 2002
- Substance applicator51US 6,913,405 B2Clarence J. Venne, Inc. · 2005
- Marking instrument50US 4,588,319 ANicolet Instrument Corporation · 1986
- Ergonomic tool holder or writing tool with means to be molded to fit the user's hand46US 6,328,494 B1Pengineering, LLC · 2001
- Writing instrument having a predetermined grasp shaft configuration45US 4,076,427 A1978