B43K 21/006
Pencil-barrels
Official title: {Pencil-barrels}
B43K21/006 (Pencil-barrels) appears on 126 US grants and 144 published applications in this corpus.
Search patents in B43K- Granted patents
- 126
- Published applications
- 144
- Assignees
- 71
- Inventors
- 213
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 3 |
| 2002 | 2 | 4 |
| 2003 | 5 | 2 |
| 2004 | 4 | 8 |
| 2005 | 6 | 12 |
| 2006 | 6 | 10 |
| 2007 | 6 | 14 |
| 2008 | 5 | 9 |
| 2009 | 3 | 3 |
| 2010 | 9 | 7 |
| 2011 | 2 | 8 |
| 2012 | 5 | 5 |
| 2013 | 6 | 5 |
| 2014 | 4 | 4 |
| 2015 | 4 | 9 |
| 2016 | 6 | 3 |
| 2017 | 7 | 3 |
| 2018 | 2 | 5 |
| 2019 | 4 | 7 |
| 2020 | 5 | 9 |
| 2021 | 4 | 4 |
| 2022 | 6 | 5 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for adjustably retaining an expendable medium for writing and/or drawing19 Aug 2025US 12,391,060 B1Crayola LLC
- Method of making pen body resin rods11 Jun 2024US 12,005,614 B2
- Mechanical pencil28 May 2024US 11,993,097 B2Kabushiki Kaisha Pilot Corporation
- Inductor core, electronic pen, and input device24 Oct 2023US 11,794,511 B2KYOCERA Corporation
- Convertible writing assemblies and components thereof22 Aug 2023US 11,731,450 B2Sanford, L. P.
- Writing tool14 May 2026US 2026/0131592 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Active stylus pen14 Aug 2025US 2025/0256530 A1Zebra Co., Ltd.
- A Customizable Writing Instrument22 May 2025US 2025/0162341 A1Mopen LLC
- Self-disinfecting writing instrument11 Jul 2024US 2024/0228795 A1BIC Violex Single Member S.A.
- Deformable sleeve with resilient core structure2 Nov 2023US 2023/0346146 A1Crushmetric Limited
Most cited
By later US patents
- 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 with ergonomic grip37US 5,988,909 A1999
- Adaptable pressuring writing instrument holder34US 5,626,430 A1997
- Writing utensil32US 6,206,595 B1Kotobuki & Co., Ltd. · 2001
- Building blocks type writing instrument27US 6,149,330 APioneer Industrial Corporation · 2000