B43K 31/00
Writing implement receptacles functioning as, or combined with, writing implements
Official title: Writing implement receptacles functioning as, or combined with, writing implements (other writing implement receptacles A45C11/34, A45C11/36)
B43K31/00 (Writing implement receptacles functioning as, or combined with, writing implements) appears on 68 US grants and 56 published applications in this corpus.
Search patents in B43K- Granted patents
- 68
- Published applications
- 56
- Assignees
- 32
- Inventors
- 125
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 4 |
| 2007 | 4 | 4 |
| 2008 | 2 | 5 |
| 2009 | 1 | 1 |
| 2010 | 3 | 2 |
| 2011 | 1 | 5 |
| 2012 | 0 | 3 |
| 2013 | 3 | 1 |
| 2014 | 3 | 3 |
| 2015 | 3 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 6 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 0 |
| 2024 | 2 | 1 |
| 2025 | 1 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Replacement lead case15 Jul 2025US 12,358,685 B2Mitsubishi Pencil Company, Limited
- Porous color linker25 Jun 2024US 12,017,472 B2Societe BIC
- Detachable supporting device14 May 2024US 11,980,311 B1Novium Taiwan Inc.
- Convertible writing assemblies and components thereof22 Aug 2023US 11,731,450 B2Sanford, L. P.
- Multi-purpose combination writing instrument19 Jul 2022US 11,390,110 B2Pengea Inc.
- Sensory stimulation pen21 May 2026US 2026/0138390 A1
- Writing instrument22 May 2025US 2025/0162343 A1Mitsubishi Pencil Company, Limited
- Pen holder, system of a pen holder and at least two pens and use of a pen holder8 May 2025US 2025/0143428 A1Bleispitz GmbH
- Writing Apparatus Holder for Visually Impaired Users3 Apr 2025US 2025/0108655 A1
- Replacement lead case28 Mar 2024US 2024/0101307 A1Mitsubishi Pencil Company, Limited
Most cited
By later US patents
- Card-shaped, hinged writing instrument52US 5,678,939 A1997
- Writing stylus33US 7,567,242 B2LeapFrog Enterprises, Inc. · 2009
- Eyeglass cases having timepieces and eyeglass cases having mirrors28US 6,789,664 B1Contour Optik, Inc. · 2004
- Writing instrument27US 4,602,397 A1986
- Writing-utensil packing kit assembly21US 5,033,895 AMidori Co., Ltd. · 1991