B43K 3/00
Nib holders
Official title: Nib holders (holders for continuously adjustable nibs B43K17/00)
B43K3/00 (Nib holders) appears on 26 US grants and 28 published applications in this corpus.
Search patents in B43K- Granted patents
- 26
- Published applications
- 28
- Assignees
- 13
- Inventors
- 47
- Latest grant
- 10 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 3 |
| 2018 | 0 | 2 |
| 2019 | 3 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 4 |
| 2022 | 3 | 3 |
| 2023 | 3 | 3 |
| 2024 | 4 | 2 |
| 2025 | 2 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reusable marker with self-replacing nib10 Jun 2025US 12,325,256 B1
- Fiber-bundled part for writing instruments, and pen tip and writing instrument using the fiber-bundled part7 Jan 2025US 12,187,068 B2Mitsubishi Pencil Company, Limited
- Knock-type writing instrument10 Dec 2024US 12,162,305 B2Mitsubishi Pencil Company, Limited
- Projectable and retractable writing tool30 Jul 2024US 12,049,099 B2Kabushiki Kaisha Pilot Corporation
- Double-head marker pen18 Jun 2024US 12,011,948 B2China First Pencil Co., Ltd.
- Rollable pen13 Aug 2026US 2026/0233551 A1
- Writing instrument refill25 Jun 2026US 2026/0175613 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Multi-point writing instruments13 Nov 2025US 2025/0346061 A1ZuMedia Inc.
- Attachment structure in writing instrument, writing instrument, and soft member30 Oct 2025US 2025/0332858 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Reusable Marker with Self-Replacing Nib12 Jun 2025US 2025/0187363 A1
Most cited
By later US patents
- Protective shield for a felt tip pen15US 4,453,849 A1984
- Pen with articulate handle12US 4,269,529 A1981
- Integrated feather ink pen10US 5,707,165 A1998
- Writing instrument with erasing member5US 9,409,438 B2Mitsubishi Pencil Company, Limited · 2016
- Writing implement1US 11,427,027 B2Mitsubishi Pencil Company, Limited · 2022