B43K 7/005
Pen barrels
Official title: {Pen barrels}
B43K7/005 (Pen barrels) appears on 458 US grants and 416 published applications in this corpus.
Search patents in B43K- Granted patents
- 458
- Published applications
- 416
- Assignees
- 140
- Inventors
- 539
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 4 |
| 2002 | 7 | 5 |
| 2003 | 8 | 20 |
| 2004 | 15 | 16 |
| 2005 | 20 | 38 |
| 2006 | 23 | 19 |
| 2007 | 11 | 22 |
| 2008 | 28 | 38 |
| 2009 | 19 | 31 |
| 2010 | 27 | 28 |
| 2011 | 30 | 19 |
| 2012 | 17 | 16 |
| 2013 | 8 | 8 |
| 2014 | 10 | 11 |
| 2015 | 13 | 29 |
| 2016 | 15 | 10 |
| 2017 | 21 | 23 |
| 2018 | 14 | 12 |
| 2019 | 14 | 10 |
| 2020 | 12 | 12 |
| 2021 | 10 | 7 |
| 2022 | 14 | 14 |
| 2023 | 10 | 7 |
| 2024 | 7 | 7 |
| 2025 | 7 | 6 |
| 2026 | 1 | 4 |
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
- Writing utensil with opposing magnets23 Sep 2025US 12,420,579 B1AE Creative Concepts Co., Limited
- Writing instrument26 Aug 2025US 12,397,579 B2Mitsubishi Pencil Company, Limited
- Pocket size pen10 Jun 2025US 12,325,257 B2
- Thermochromic writing instrument15 Apr 2025US 12,275,269 B2Kabushiki Kaisha Pilot Corporation
- Rollable pen13 Aug 2026US 2026/0233551 A1
- Pen and adapter for detachably attaching pen to wrist strap28 May 2026US 2026/0145457 A1
- Sensory stimulation pen21 May 2026US 2026/0138390 A1
- 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)
Most cited
By later US patents
- Printer consumable cartridge165US 6,290,349 B1Silverbrook Research Pty Ltd · 2001
- System for data transfer81US 6,822,639 B1Silverbrook Research Pty Ltd · 2004
- Method and system for note taking77US 6,681,045 B1Silverbrook Research Pty Ltd · 2004
- Ergonomic hand-held implement59US 5,470,162 A1995
- Method of distributing documents having common components to a plurality of destinations59US 6,549,935 B1Silverbrook Research Pty Ltd · 2003