B43K 7/08
Preventing leakage
B43K7/08 (Preventing leakage) appears on 87 US grants and 72 published applications in this corpus.
Search patents in B43K- Granted patents
- 87
- Published applications
- 72
- Assignees
- 30
- Inventors
- 138
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 3 |
| 2003 | 7 | 5 |
| 2004 | 3 | 9 |
| 2005 | 2 | 8 |
| 2006 | 7 | 8 |
| 2007 | 6 | 5 |
| 2008 | 4 | 2 |
| 2009 | 3 | 2 |
| 2010 | 2 | 5 |
| 2011 | 2 | 0 |
| 2012 | 3 | 2 |
| 2013 | 4 | 2 |
| 2014 | 2 | 0 |
| 2015 | 1 | 5 |
| 2016 | 2 | 2 |
| 2017 | 4 | 0 |
| 2018 | 3 | 1 |
| 2019 | 3 | 4 |
| 2020 | 1 | 2 |
| 2021 | 3 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Writing implement29 Sep 2026US 12,746,776 B2Kabushiki Kaisha Pilot Corporation
- Liquid storage member for coating tools15 Apr 2025US 12,275,215 B2Mitsubishi Pencil Company, Limited
- Writing instrument29 Aug 2023US 11,738,589 B2Kabushiki Kaisha Pilot Corporation
- Writing tool provided with refill23 May 2023US 11,654,711 B2Mitsubishi Pencil Company, Limited
- Writing instrument23 Nov 2021US 11,179,963 B2Kabushiki Kaisha Pilot Corporation
- Writing instrument refill25 Jun 2026US 2026/0175613 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Liquid storage member for coating tools20 Nov 2025US 2025/0353319 A1Mitsubishi Pencil Company, Limited
- Active stylus pen14 Aug 2025US 2025/0256530 A1Zebra Co., Ltd.
- Writing implement30 Jan 2025US 2025/0033402 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Liquid storage member for coating tools8 Feb 2024US 2024/0042735 A1Mitsubishi Pencil Company, Limited
Most cited
By later US patents
- Efficient fluid dispensing utensil35US 6,416,242 B1Dataprint R. Kaufmann GmbH · 2002
- Clicking-type writing implement28US 5,871,296 AMitsubishi Pencil Company, Limited · 1999
- Applicator device22US 6,880,999 B2Schwan-Stabilo Cosmetics GmbH & Co.KG · 2005
- Applicator device22US 7,144,175 B2Schwan-Stabilo Cosmetics GmbH & Co.KG · 2006
- Applicator device21US 7,641,411 B2Schwan-Stabilo Cosmetics GmbH & Co.KG · 2010