B43K 5/1863
Opened by actuation of the rear-side of the pen
Official title: {opened by actuation of the rear-side of the pen}
B43K5/1863 (Opened by actuation of the rear-side of the pen) appears on 28 US grants and 11 published applications in this corpus.
Search patents in B43K- Granted patents
- 28
- Published applications
- 11
- Assignees
- 11
- Inventors
- 38
- Latest grant
- 9 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fountain pen with quick-filling coupling9 Jul 2024US 12,030,338 B2Montblanc-Simplo GmbH
- Writing instrument9 May 2023US 11,642,909 B2Kuretake Co., Ltd.
- Applicator3 May 2022US 11,318,777 B2Mitsubishi Pencil Company, Limited
- Applicator with rotary cam piston mechanism27 Aug 2019US 10,391,516 B2Mitsubishi Pencil Company, Limited
- Cosmetic applicator with rotary cartridge16 Jul 2019US 10,349,721 B2Fashion Beauty Cosmetech Co., Ltd.
- Plug structure, liquid cartridge, and pen30 Apr 2026US 2026/0116118 A1Lion Pencil Co., Ltd.
- Fountain pen with quick-filling coupling19 Oct 2023US 2023/0331027 A1Montblanc-Simplo GmbH
- Writing Instrument1 Dec 2022US 2022/0379651 A1Kuretake Co., Ltd.
- Applicator22 Jul 2021US 2021/0221162 A1Mitsubishi Pencil Company, Limited
- Cosmetic applicator with rotary cartridge28 Jun 2018US 2018/0177278 A1Fashion Beauty Cosmetech Co., Ltd.
Most cited
By later US patents
- Writing pen with space behind nib35US 4,496,258 AThe Pilot Ink Co., Ltd. · 1985
- Ink cartridge28US 4,929,109 ASharp Kabushiki Kaisha · 1990
- Writing instrument18US 4,043,681 A1977
- Liquid applicator16US 5,035,525 AMitsubishi Pencil Company, Limited · 1991
- Liquid applicator with axial value actuation13US 4,984,923 AThe Pilot Ink Co., Ltd. · 1991