B43K 23/124
Comprising an air passage
Official title: {comprising an air passage}
B43K23/124 (Comprising an air passage) appears on 55 US grants and 22 published applications in this corpus.
Search patents in B43K- Granted patents
- 55
- Published applications
- 22
- Assignees
- 35
- Inventors
- 87
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 9 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 4 |
| 2005 | 5 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Friction body unit and thermochromic writing instrument31 Dec 2024US 12,179,510 B2Kabushiki Kaisha Pilot Corporation
- Tail plug and writing instrument12 Sep 2023US 11,752,796 B2Kuretake Co., Ltd.
- Writing instrument30 May 2023US 11,660,903 B2Qingdao Best Point Stationery Co., Ltd.
- Manual device and multifunctional assembly12 Mar 2019US 10,228,777 B2Societe BIC
- Writing instrument with erasing member9 Aug 2016US 9,409,438 B2Mitsubishi Pencil Company, Limited
- Plug structure, liquid cartridge, and pen30 Apr 2026US 2026/0116118 A1Lion Pencil Co., Ltd.
- Attachment structure in writing instrument, writing instrument, and soft member30 Oct 2025US 2025/0332858 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Friction Body Unit and Thermochromic Writing Instrument9 May 2024US 2024/0149605 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Tail Plug and Writing Instrument1 Dec 2022US 2022/0379652 A1Kuretake Co., Ltd.
- Writing instrument9 Dec 2021US 2021/0379923 A1Qingdao Best Point Stationery Co., Ltd.
Most cited
By later US patents
- Writing instrument cap34US 5,066,156 AThe Gillette Company · 1991
- Cap for writing and marking instruments34US 5,599,127 ABIC Corporation · 1997
- Cap for writing and marking instruments32US 5,230,578 ABIC Corporation · 1993
- Removable cap of writing instrument26US 5,061,105 AMitsubishi Pencil Company, Limited · 1991
- Writing instrument26US 6,626,600 B1Binney & Smith Inc. · 2003