B43K 23/128
With spring means
Official title: {with spring means}
B43K23/128 (With spring means) appears on 32 US grants and 22 published applications in this corpus.
Search patents in B43K- Granted patents
- 32
- Published applications
- 22
- Assignees
- 21
- Inventors
- 77
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 1 |
| 2017 | 4 | 2 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Porous cap felt pen25 Nov 2025US 12,479,232 B2BIC Violex Single Member S.A.
- Writing implement1 Jul 2025US 12,344,025 B1
- Cosmetic applicator28 Feb 2023US 11,589,665 B2Mitsubishi Pencil Company, Limited
- Writing tool with anti-drying device21 Feb 2023US 11,584,152 B2Qingdao Best Point Stationery Co., Ltd.
- Writing instrument with resetting operating unit14 Jan 2020US 10,532,602 B2Montblanc-Simplo GmbH
- Writing instrument and writing part replacement unit25 Dec 2025US 2025/0388041 A1Mitsubishi Pencil Company, Limited
- Porous cap felt pen30 Jan 2025US 2025/0033401 A1BIC Violex Single Member S.A.
- Cosmetic applicator3 Mar 2022US 2022/0061496 A1Mitsubishi Pencil Company, Limited
- Writing tool with anti-drying device26 Aug 2021US 2021/0260911 A1Qingdao Best Point Stationery Co., Ltd.
- Combination Glove and Marking Device13 Feb 2020US 2020/0047539 A1
Most cited
By later US patents
- Fountain pen with correction-cartridge receiver24US 4,979,840 APelikan Aktiengesellschaft · 1990
- Mechanical pencil with removable lead feed cover23US 4,500,220 APentel Kabushiki Kaisha · 1985
- Cap for writing equipment22US 4,844,642 AThe Pilot Ink Co., Ltd. · 1989
- Closure cap for a writing instrument21US 4,380,403 AJ. S. Staedtler GmbH & Co. · 1983
- Wearable pen-holder device21US 6,435,749 B1Quadrinvest S.p.A. · 2002