B43K 8/24
Pens with writing-points other than nibs or balls: characterised by the means
Official title: characterised by the means for retracting writing-points
B43K8/24 (Pens with writing-points other than nibs or balls: characterised by the means) appears on 74 US grants and 75 published applications in this corpus.
Search patents in B43K- Granted patents
- 74
- Published applications
- 75
- Assignees
- 34
- Inventors
- 121
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 6 |
| 2006 | 2 | 2 |
| 2007 | 2 | 7 |
| 2008 | 4 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 4 | 6 |
| 2012 | 3 | 4 |
| 2013 | 3 | 3 |
| 2014 | 2 | 4 |
| 2015 | 5 | 8 |
| 2016 | 4 | 2 |
| 2017 | 4 | 3 |
| 2018 | 3 | 5 |
| 2019 | 3 | 2 |
| 2020 | 3 | 6 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 4 |
| 2024 | 3 | 3 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Porous cap felt pen25 Nov 2025US 12,479,232 B2BIC Violex Single Member S.A.
- Writing instruments3 Jun 2025US 12,319,083 B2BIC Violex Single Member S.A.
- Writing instruments11 Mar 2025US 12,246,554 B2BIC Violex Single Member S.A.
- Knock-type writing instrument10 Dec 2024US 12,162,305 B2Mitsubishi Pencil Company, Limited
- Writing instrument and method10 Sep 2024US 12,083,818 B2BIC Violex Single Member S.A.
- Writing instrument23 Jul 2026US 2026/0208523 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Porous cap felt pen30 Jan 2025US 2025/0033401 A1BIC Violex Single Member S.A.
- Stylus pen refill size improvement25 Jul 2024US 2024/0246352 A1
- Writing instruments27 Jun 2024US 2024/0208260 A1BIC Violex Single Member S.A.
- Writing instruments27 Jun 2024US 2024/0208261 A1BIC Violex Single Member S.A.
Most cited
By later US patents
- Retractable writing utensil40US 7,350,996 B2Sanford, L. P. · 2008
- Writing instrument for alternately writing in fluorescent transparent and nontransparent ink31US 5,203,638 A1993
- Capless retractable marking pen29US 4,711,592 A1987
- Writing instrument with retractable tip24US 4,269,525 A1981
- Capless retractable marking pen24US 4,969,764 A1990