B43K 24/10
Mechanisms for selecting, projecting, retracting or locking writing units: for selecting, projecting
Official title: for selecting, projecting and locking several writing units
B43K24/10 (Mechanisms for selecting, projecting, retracting or locking writing units: for selecting, projecting) appears on 149 US grants and 106 published applications in this corpus.
Search patents in B43K- Granted patents
- 149
- Published applications
- 106
- Assignees
- 42
- Inventors
- 198
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
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| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
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| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 5 | 1 |
| 2004 | 0 | 3 |
| 2005 | 4 | 7 |
| 2006 | 8 | 3 |
| 2007 | 2 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 1 |
| 2010 | 4 | 5 |
| 2011 | 2 | 5 |
| 2012 | 5 | 2 |
| 2013 | 4 | 3 |
| 2014 | 2 | 1 |
| 2015 | 0 | 4 |
| 2016 | 3 | 5 |
| 2017 | 5 | 9 |
| 2018 | 6 | 6 |
| 2019 | 9 | 14 |
| 2020 | 13 | 7 |
| 2021 | 8 | 8 |
| 2022 | 10 | 7 |
| 2023 | 4 | 1 |
| 2024 | 5 | 4 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic pen, electronic pen cartridge, and electronic pen main unit2 Jun 2026US 12,645,310 B2Wacom Co., Ltd.
- Electronic pen, electronic pen cartridge, and electronic pen main unit4 Feb 2025US 12,216,841 B2Wacom Co., Ltd.
- Multi-pen having sharp knob containing a through hole for sharp lead26 Nov 2024US 12,151,504 B2LIVEWORK Co., Ltd.
- Retractable element for a writing implement22 Oct 2024US 12,122,181 B2Societe BIC
- Writing instruments15 Oct 2024US 12,115,809 B2Societe BIC
- Electronic pen, electronic pen cartridge, and electronic pen main unit30 Apr 2026US 2026/0118976 A1Wacom Co., Ltd.
- Multi-core writing implement5 Mar 2026US 2026/0061771 A1Kabushiki Kaisha Pilot Corporation
- Multi-point writing instruments13 Nov 2025US 2025/0346061 A1ZuMedia Inc.
- Active stylus pen14 Aug 2025US 2025/0256530 A1Zebra Co., Ltd.
- Writing instruments21 Mar 2024US 2024/0092116 A1Societe BIC
Most cited
By later US patents
- Writing instrument with retractable ink cartridge and retractable correcting fluid cartridge35US 6,554,516 B12003
- Multiple-shaft pen kit32US 5,927,881 A1999
- Curved writing instrument29US 5,564,849 A1996
- Writing instrument with plural implements cam actuated26US 4,533,271 A1985
- Ink cartridge selection control mechanism of a multi-ink cartridge writing apparatus26US 5,599,122 A1997