B43K 7/04
Arrangements for filling the reservoirs
Official title: Arrangements for filling the reservoirs, e.g. arrangements at the ball-point ends
B43K7/04 (Arrangements for filling the reservoirs) appears on 9 US grants and 8 published applications in this corpus.
Search patents in B43K- Granted patents
- 9
- Published applications
- 8
- Assignees
- 5
- Inventors
- 17
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
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- Multi-Cartridge Pen Devices and Writing Instruments15 May 2025US 2025/0153502 A1ZuMedia Inc.
- Ballpoint pen refill and ballpoint pen19 Dec 2024US 2024/0416674 A1Mitsubishi Pencil Company, Limited
- Space pen refill for extravehicular activity2 May 2024US 2024/0140129 A1Ningbo Institute of Northwestern Polytechnical University
- Molten gold writing apparatus25 Feb 2021US 2021/0053383 A1
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Most cited
By later US patents