B43K 5/00
Pens with ink reservoirs in holders
Official title: Pens with ink reservoirs in holders, e.g. fountain-pens (nibs or writing-points with ink reservoirs B43K1/01; ball-point pens B43K7/00; pens with writing-points other than nibs or balls B43K8/00; multiple-point writing implements B43K27/00)
B43K5/00 (Pens with ink reservoirs in holders) appears on 688 US grants and 476 published applications in this corpus.
Search patents in B43K- Granted patents
- 688
- Published applications
- 476
- Assignees
- 264
- Inventors
- 1,016
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 18 | 0 |
| 1991 | 20 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 16 | 0 |
| 1995 | 10 | 0 |
| 1996 | 8 | 0 |
| 1997 | 13 | 0 |
| 1998 | 16 | 0 |
| 1999 | 32 | 0 |
| 2000 | 27 | 0 |
| 2001 | 26 | 6 |
| 2002 | 31 | 21 |
| 2003 | 23 | 19 |
| 2004 | 13 | 24 |
| 2005 | 10 | 23 |
| 2006 | 22 | 19 |
| 2007 | 11 | 15 |
| 2008 | 7 | 23 |
| 2009 | 8 | 11 |
| 2010 | 13 | 12 |
| 2011 | 8 | 15 |
| 2012 | 11 | 7 |
| 2013 | 12 | 19 |
| 2014 | 10 | 13 |
| 2015 | 14 | 22 |
| 2016 | 18 | 13 |
| 2017 | 18 | 27 |
| 2018 | 18 | 20 |
| 2019 | 28 | 30 |
| 2020 | 22 | 25 |
| 2021 | 19 | 21 |
| 2022 | 23 | 23 |
| 2023 | 21 | 22 |
| 2024 | 18 | 15 |
| 2025 | 21 | 22 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sharp type paint marker pen1 Sep 2026US 12,722,416 B2Mungyo Ons Corporation
- Replaceable cartridge for a writing instrument and method thereof12 May 2026US 12,623,482 B2Societe BIC
- Drawing material container cartridge and drawing material container set24 Mar 2026US 12,583,248 B2Tokiwa Corporation
- Writing instrument part, method for manufacturing writing instrument part, and writing instrument10 Feb 2026US 12,545,047 B2Mitsubishi Pencil Company, Limited
- Porous cap felt pen25 Nov 2025US 12,479,232 B2BIC Violex Single Member S.A.
- Controllable direct liquid tool pen30 Jul 2026US 2026/0217052 A1Jiangxi Yihuale Pen Industry Co., Ltd
- Writing instrument23 Jul 2026US 2026/0208523 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Applicator16 Jul 2026US 2026/0199932 A1Mitsubishi Pencil Company, Limited
- Smart pen2 Jul 2026US 2026/0184101 A1The Codder Co., Ltd.
- Soft elastomeric seal for a writing instrument4 Jun 2026US 2026/0152022 A1BIC Violex Single Member S.A.
Most cited
By later US patents
- Medical article having fluid control film323US 6,420,622 B13M Innovative Properties Company · 2002
- Drug delivery dressing having fluid control film124US 6,867,342 B23M Innovative Properties Company · 2005
- Multicolor writing and painting instruments with multiple, bundled, hard, wear-resistant nibs106US 8,403,577 B2University of Southern California · 2013
- Fluid dispensing valve93US 5,899,624 A1999
- Writing implement including an input stylus83US 5,913,629 Attools, LLC · 1999