B43K 24/08
Operated by push-buttons
Official title: operated by push-buttons
B43K24/08 (Operated by push-buttons) appears on 268 US grants and 216 published applications in this corpus.
Search patents in B43K- Granted patents
- 268
- Published applications
- 216
- Assignees
- 93
- Inventors
- 376
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 2 |
| 2002 | 9 | 2 |
| 2003 | 2 | 5 |
| 2004 | 9 | 8 |
| 2005 | 7 | 10 |
| 2006 | 6 | 17 |
| 2007 | 6 | 13 |
| 2008 | 6 | 12 |
| 2009 | 12 | 8 |
| 2010 | 5 | 13 |
| 2011 | 10 | 12 |
| 2012 | 11 | 2 |
| 2013 | 6 | 5 |
| 2014 | 3 | 4 |
| 2015 | 9 | 11 |
| 2016 | 8 | 5 |
| 2017 | 2 | 2 |
| 2018 | 3 | 13 |
| 2019 | 9 | 13 |
| 2020 | 15 | 14 |
| 2021 | 8 | 10 |
| 2022 | 13 | 12 |
| 2023 | 6 | 7 |
| 2024 | 15 | 7 |
| 2025 | 3 | 6 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Writing instrument6 Oct 2026US 12,752,569 B2Mitsubishi Pencil Company, Limited
- Electronic pen18 Aug 2026US 12,710,834 B2Wacom Co., Ltd.
- Non-sealing fluid-based writing instrument and non-drying writing fluid28 Jul 2026US 12,691,704 B2
- Retractable writing utensil7 Apr 2026US 12,594,782 B2Sakura Color Products Corporation
- Writing instrument26 Aug 2025US 12,397,579 B2Mitsubishi Pencil Company, Limited
- Writing instrument23 Jul 2026US 2026/0208523 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Soft elastomeric seal for a writing instrument4 Jun 2026US 2026/0152022 A1BIC Violex Single Member S.A.
- Writing instrument19 Mar 2026US 2026/0077614 A1Mitsubishi Pencil Company, Limited
- Knock type writing instrument4 Dec 2025US 2025/0367959 A1Mitsubishi Pencil Company, Limited
- Retractable container9 Oct 2025US 2025/0313035 A1
Most cited
By later US patents
- Writing implement including an input stylus83US 5,913,629 Attools, LLC · 1999
- Writing implement including an input stylus57US 6,050,735 Attools, LLC · 2000
- Expandable writing instrument48US 6,273,627 B1A.T.X. International, Inc. · 2001
- Preparation of pyrrolidine and pyrrolidin-2-one derivatives42US 4,173,569 AI.S.F. S.p.A. · 1979
- Retractable writing utensil40US 7,350,996 B2Sanford, L. P. · 2008