B43K 7/12
Ball-point pens: with retractable ball points
Official title: with retractable ball points (mechanisms for retracting or locking ball points B43K24/00)
B43K7/12 (Ball-point pens: with retractable ball points) appears on 158 US grants and 136 published applications in this corpus.
Search patents in B43K- Granted patents
- 158
- Published applications
- 136
- Assignees
- 66
- Inventors
- 254
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 2 | 3 |
| 2005 | 7 | 10 |
| 2006 | 4 | 3 |
| 2007 | 3 | 8 |
| 2008 | 4 | 4 |
| 2009 | 4 | 3 |
| 2010 | 2 | 9 |
| 2011 | 2 | 9 |
| 2012 | 7 | 3 |
| 2013 | 8 | 5 |
| 2014 | 5 | 4 |
| 2015 | 7 | 19 |
| 2016 | 11 | 3 |
| 2017 | 7 | 5 |
| 2018 | 4 | 7 |
| 2019 | 5 | 14 |
| 2020 | 15 | 6 |
| 2021 | 5 | 2 |
| 2022 | 2 | 4 |
| 2023 | 3 | 4 |
| 2024 | 7 | 4 |
| 2025 | 3 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Retractable writing utensil7 Apr 2026US 12,594,782 B2Sakura Color Products Corporation
- Writing instrument26 Aug 2025US 12,397,579 B2Mitsubishi Pencil Company, Limited
- Writing instrument22 Jul 2025US 12,365,197 B2C. Josef Lamy GmbH
- Ballpoint pen refill and ballpoint pen15 Apr 2025US 12,275,271 B2Mitsubishi Pencil Company, Limited
- Writing instrument for erasing handwritten content12 Nov 2024US 12,138,951 B1Crown Ballpen Co., Ltd.
- Knock type writing instrument4 Dec 2025US 2025/0367959 A1Mitsubishi Pencil Company, Limited
- Toothbrush pen23 Oct 2025US 2025/0325096 A1
- Writing instrument27 Feb 2025US 2025/0065665 A1Mitsubishi Pencil Company, Limited
- Ballpoint pen refill and ballpoint pen19 Dec 2024US 2024/0416674 A1Mitsubishi Pencil Company, Limited
- Retractable writing utensil24 Oct 2024US 2024/0351363 A1Sakura Color Products Corporation
Most cited
By later US patents
- Expandable writing instrument48US 6,273,627 B1A.T.X. International, Inc. · 2001
- Pocket pen44US 3,994,605 A1976
- Retractable pen with self sealing writing tip opening31US 5,022,773 A1991
- Capless retractable marking pen29US 4,711,592 A1987
- Retractable capless marking pen26US 4,540,300 AKotobuki & Co., Ltd. · 1985