B43K 5/06
With movable pistons for withdrawing ink from an ink-receptacle
Official title: with movable pistons {for withdrawing ink from an ink-receptacle (B43K5/1818 takes precedence)}
B43K5/06 (With movable pistons for withdrawing ink from an ink-receptacle) appears on 30 US grants and 26 published applications in this corpus.
Search patents in B43K- Granted patents
- 30
- Published applications
- 26
- Assignees
- 22
- Inventors
- 53
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 4 | 2 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Writing instrument22 Jul 2025US 12,365,197 B2C. Josef Lamy GmbH
- System with salt-based color adjustment of substrate14 Jan 2025US 12,197,059 B2BIC Violex Single Member S.A.
- Fountain pen with quick-filling coupling9 Jul 2024US 12,030,338 B2Montblanc-Simplo GmbH
- Writing instrument9 May 2023US 11,642,909 B2Kuretake Co., Ltd.
- Liquid storage and release device and pen10 Jan 2023US 11,548,313 B2Crayola LLC
- Controllable direct liquid tool pen30 Jul 2026US 2026/0217052 A1Jiangxi Yihuale Pen Industry Co., Ltd
- Fountain pen24 Apr 2025US 2025/0128536 A1
- Writing instrument30 May 2024US 2024/0174020 A1C. Josef Lamy GmbH
- Fountain pen with quick-filling coupling19 Oct 2023US 2023/0331027 A1Montblanc-Simplo GmbH
- System with salt-based color adjustment of substrate5 Oct 2023US 2023/0314858 A1BIC Violex Single Member S.A.
Most cited
By later US patents
- Liquid container31US 6,227,739 B1Kotobuki & Co., Ltd. · 2001
- Writing instrument28US 6,086,279 AMcaide Enterprise Co., Ltd. · 2000
- Cartridge type liquid feeding container22US 7,237,975 B2Kotobuki Printing Co., Ltd. · 2007
- Correction fluid dispensing pen20US 5,123,766 A1992
- Refillable ink pen12US 5,518,331 AStorelic AG · 1996