B43K 8/022
With writing-points comprising fibres
Official title: {with writing-points comprising fibres}
B43K8/022 (With writing-points comprising fibres) appears on 62 US grants and 60 published applications in this corpus.
Search patents in B43K- Granted patents
- 62
- Published applications
- 60
- Assignees
- 41
- Inventors
- 136
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 3 |
| 2006 | 1 | 3 |
| 2007 | 2 | 3 |
| 2008 | 3 | 0 |
| 2009 | 1 | 4 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 3 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 3 |
| 2017 | 4 | 4 |
| 2018 | 4 | 3 |
| 2019 | 3 | 4 |
| 2020 | 4 | 6 |
| 2021 | 4 | 6 |
| 2022 | 3 | 3 |
| 2023 | 3 | 3 |
| 2024 | 5 | 4 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cosmetic applicator29 Jul 2025US 12,369,699 B2Mitsubishi Pencil Company, Limited
- Biodegradable marker pen4 Feb 2025US 12,214,617 B2Sunny Pro Co., Ltd.
- Multi-posture bedside writing pen7 Jan 2025US 12,187,069 B2Ningbo Institute of Northwestern Polytechnical University
- Non-smear nib and associated writing instruments31 Dec 2024US 12,179,508 B2Sanford, L. P.
- Writing instruments and associated methods20 Aug 2024US 12,064,989 B2Sanford, L. P.
- Cosmetic applicator10 Apr 2025US 2025/0113908 A1Mitsubishi Pencil Company, Limited
- Sintered porous polypropylene media and applications19 Dec 2024US 2024/0417497 A1Porex Corporation
- Biodegradable marker pen11 Jul 2024US 2024/0227428 A1Sunny Pro Co., Ltd.
- Multi-posture bedside writing pen2 May 2024US 2024/0140130 A1Ningbo Institute of Northwestern Polytechnical University
- Medical tubing marker and method4 Jan 2024US 2024/0001705 A1
Most cited
By later US patents
- Kit comprising multicolored fluid dispenser markers together with eradicating fluid dispenser, stamps and stamp pad43US 4,681,471 AAll-Mark Corporation, Inc. · 1987
- Marking implement19US 7,172,359 B22007
- Liquid painting comb instrument with cap18US 5,119,838 AMitsubishi Pencil Company, Limited · 1992
- Retractable writing instrument18US 7,329,062 B2Crayola LLC · 2008
- Recorder pen15US 3,934,255 ASanford Research Company · 1976