B43K 5/10
With reserve ink chambers
Official title: with reserve ink chambers
B43K5/10 (With reserve ink chambers) appears on 20 US grants and 18 published applications in this corpus.
Search patents in B43K- Granted patents
- 20
- Published applications
- 18
- Assignees
- 15
- Inventors
- 37
- Latest grant
- 9 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 3 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Fountain pen with quick-filling coupling9 Jul 2024US 12,030,338 B2Montblanc-Simplo GmbH
- Liquid storage and release device and pen10 Jan 2023US 11,548,313 B2Crayola LLC
- Refillable writing instrument12 Jan 2021US 10,889,143 B2
- Applicator10 Nov 2020US 10,827,816 B2Wintrading Co., Ltd.
- Liquid ink writing instrument7 Apr 2020US 10,611,185 B2Qingdao Changlong Stationery Co., Ltd.
- Fountain pen24 Apr 2025US 2025/0128536 A1
- Fountain pen with quick-filling coupling19 Oct 2023US 2023/0331027 A1Montblanc-Simplo GmbH
- Liquid Storage and Release Device and Pen29 Apr 2021US 2021/0122183 A1Beijing Wenhaiyang Industry & Trading Co., Ltd.
- A liquid ink writing instrument19 Sep 2019US 2019/0283485 A1Qingdao Changlong Stationery Co., Ltd.
- Refillable writing instrument8 Aug 2019US 2019/0241006 A1
Most cited
By later US patents
- Medical article having fluid control film323US 6,420,622 B13M Innovative Properties Company · 2002
- Drug delivery dressing having fluid control film124US 6,867,342 B23M Innovative Properties Company · 2005
- Medical article having fluid control film34US 7,781,639 B23M Innovative Properties Company · 2010
- Supply system for devices that operate with the aid of capillary forces and are used to apply liquids28US 5,102,251 ADataprint Datendrucksysteme R. Kaufmann KG · 1992
- Microstructure liquid dispenser26US 6,431,695 B13M Innovative Properties Company · 2002