B43K 1/12
Writing-points comprising fibres
Official title: Writing-points comprising fibres; Felt pads
B43K1/12 (Writing-points comprising fibres) appears on 99 US grants and 86 published applications in this corpus.
Search patents in B43K- Granted patents
- 99
- Published applications
- 86
- Assignees
- 51
- Inventors
- 177
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 4 | 2 |
| 2007 | 1 | 0 |
| 2008 | 2 | 2 |
| 2009 | 1 | 7 |
| 2010 | 1 | 1 |
| 2011 | 2 | 2 |
| 2012 | 2 | 3 |
| 2013 | 2 | 5 |
| 2014 | 3 | 1 |
| 2015 | 2 | 3 |
| 2016 | 1 | 1 |
| 2017 | 3 | 2 |
| 2018 | 1 | 4 |
| 2019 | 3 | 6 |
| 2020 | 5 | 7 |
| 2021 | 5 | 11 |
| 2022 | 6 | 11 |
| 2023 | 9 | 5 |
| 2024 | 6 | 2 |
| 2025 | 4 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electronic pen and electronic pen core body21 Jul 2026US 12,687,938 B2Wacom Co., Ltd.
- Porous cap felt pen25 Nov 2025US 12,479,232 B2BIC Violex Single Member S.A.
- Writing instrument10 Jun 2025US 12,325,255 B2Mitsubishi Pencil Company, Limited
- Writing implement18 Feb 2025US 12,227,024 B2Mitsubishi Pencil Company, Limited
- 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
- Marking instrument2 Oct 2025US 2025/0303779 A1BIC Violex Single Member S.A.
- Electronic pen and electronic pen core body1 May 2025US 2025/0138652 A1Wacom Co., Ltd.
- Writing instrument6 Feb 2025US 2025/0042194 A1Mitsubishi Pencil Company, Limited
- Porous cap felt pen30 Jan 2025US 2025/0033401 A1BIC Violex Single Member S.A.
- Sintered porous polypropylene media and applications19 Dec 2024US 2024/0417497 A1Porex Corporation
Most cited
By later US patents
- Single- or double-ended multi-section nib marker25US 7,018,122 B2Sanford, L. P. · 2006
- Tip member for coating tool20US 4,749,618 AKabushiki Kaisha Fujiko · 1988
- Method of and apparatus for making a capillary-action nib for a pen or marker19US 4,733,586 APelikan Aktiengesellschaft · 1988
- Method of manufacturing fibrous nib for use in a marker pen17US 6,117,260 ASpartan Felt Company, Inc. · 2000
- Pen points for writing instruments15US 4,076,428 ATokyo Boshi Kabushiki Kaisha · 1978