B43K 5/005
Pen barrels
Official title: {Pen barrels}
B43K5/005 (Pen barrels) appears on 249 US grants and 205 published applications in this corpus.
Search patents in B43K- Granted patents
- 249
- Published applications
- 205
- Assignees
- 118
- Inventors
- 373
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 1 | 0 |
| 1999 | 12 | 0 |
| 2000 | 11 | 0 |
| 2001 | 9 | 5 |
| 2002 | 12 | 5 |
| 2003 | 8 | 7 |
| 2004 | 3 | 13 |
| 2005 | 4 | 15 |
| 2006 | 10 | 11 |
| 2007 | 5 | 7 |
| 2008 | 6 | 16 |
| 2009 | 3 | 3 |
| 2010 | 8 | 5 |
| 2011 | 3 | 8 |
| 2012 | 5 | 2 |
| 2013 | 5 | 6 |
| 2014 | 3 | 6 |
| 2015 | 3 | 10 |
| 2016 | 5 | 6 |
| 2017 | 8 | 11 |
| 2018 | 8 | 10 |
| 2019 | 11 | 8 |
| 2020 | 11 | 13 |
| 2021 | 9 | 7 |
| 2022 | 15 | 7 |
| 2023 | 8 | 10 |
| 2024 | 7 | 6 |
| 2025 | 6 | 6 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Writing instrument part, method for manufacturing writing instrument part, and writing instrument10 Feb 2026US 12,545,047 B2Mitsubishi Pencil Company, Limited
- Pen8 Jul 2025US 12,350,954 B2C. Josef Lamy GmbH
- Writing implement1 Jul 2025US 12,344,025 B1
- Pocket size pen10 Jun 2025US 12,325,257 B2
- Writing instrument and pen tip part29 Apr 2025US 12,285,967 B2The Sailor Pen Co., Ltd.
- 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)
- 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
- Pen having a knife sharpener5 Jun 2025US 2025/0178374 A1
Most cited
By later US patents