B43K 5/16
Pens with ink reservoirs in holders: with retractable nibs
Official title: with retractable nibs (mechanisms for retracting or locking nibs B43K24/00)
B43K5/16 (Pens with ink reservoirs in holders: with retractable nibs) appears on 71 US grants and 70 published applications in this corpus.
Search patents in B43K- Granted patents
- 71
- Published applications
- 70
- Assignees
- 37
- Inventors
- 121
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 5 |
| 2007 | 1 | 4 |
| 2008 | 1 | 8 |
| 2009 | 3 | 3 |
| 2010 | 1 | 3 |
| 2011 | 3 | 5 |
| 2012 | 6 | 2 |
| 2013 | 4 | 3 |
| 2014 | 2 | 2 |
| 2015 | 1 | 5 |
| 2016 | 7 | 2 |
| 2017 | 4 | 0 |
| 2018 | 0 | 1 |
| 2019 | 3 | 2 |
| 2020 | 1 | 4 |
| 2021 | 2 | 3 |
| 2022 | 3 | 2 |
| 2023 | 3 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 5 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Porous cap felt pen25 Nov 2025US 12,479,232 B2BIC Violex Single Member S.A.
- Card-shaped pen12 Aug 2025US 12,384,191 B1
- Self-healing seal assembly for a writing instrument10 Dec 2024US 12,162,306 B2BIC Violex Single Member S.A.
- Self-healing seal for a writing instrument11 Jun 2024US 12,005,730 B2Societe BIC
- Dual twist structure, object ejecting device including the same, and structure for sealing the same12 Sep 2023US 11,752,797 B2
- Writing instrument23 Jul 2026US 2026/0208523 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Soft elastomeric seal for a writing instrument4 Jun 2026US 2026/0152022 A1BIC Violex Single Member S.A.
- Knock type writing instrument4 Dec 2025US 2025/0367959 A1Mitsubishi Pencil Company, Limited
- Liquid applicator device6 Nov 2025US 2025/0340081 A1Flocon, Inc.
- Card-shaped pen14 Aug 2025US 2025/0256529 A1
Most cited
By later US patents
- Expandable writing instrument48US 6,273,627 B1A.T.X. International, Inc. · 2001
- Advancing/retracting mechanism36US 7,066,042 B2Sanford, L. P. · 2006
- Retractable pen with self sealing writing tip opening31US 5,022,773 A1991
- Self-sealing retractable writing instrument29US 7,059,796 B2Avery Dennison Corporation · 2006
- Retractable marking pen with tip protection mechanism28US 4,759,650 ADennison Manufacturing Company · 1988