B43K 27/12
Of ball-point pens
Official title: of ball-point pens
B43K27/12 (Of ball-point pens) appears on 28 US grants and 26 published applications in this corpus.
Search patents in B43K- Granted patents
- 28
- Published applications
- 26
- Assignees
- 14
- Inventors
- 37
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 3 | 0 |
| 2017 | 0 | 3 |
| 2018 | 1 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-cartridge pen devices and writing instruments20 May 2025US 12,304,232 B1ZuMedia Inc.
- Writing instrument refills and writing instrument17 Sep 2024US 12,090,777 B2Kotobuki & Co., Ltd.
- Multifunction writing instrument17 Oct 2023US 11,787,223 B2Societe BIC
- Multifunction writing instrument2 Aug 2022US 11,400,749 B2Societe BIC
- Refill for writing implements and writing implements using the same5 Oct 2021US 11,135,868 B2Mitsubishi Pencil Company, Limited
- Multi-Cartridge Pen Devices and Writing Instruments15 May 2025US 2025/0153502 A1ZuMedia Inc.
- Writing instrument refills and writing instrument2 Nov 2023US 2023/0347682 A1Kotobuki & Co., Ltd.
- Multifunction writing instrument14 Jul 2022US 2022/0219483 A1Societe BIC
- Multifunction writing instrument18 Nov 2021US 2021/0354498 A1Societe BIC
- Multifunction writing instrument5 Dec 2019US 2019/0366756 A1Societe BIC
Most cited
By later US patents
- Multicolor writing and painting instruments with multiple, bundled, hard, wear-resistant nibs106US 8,403,577 B2University of Southern California · 2013
- Writing implement with two retractable cartridges36US 4,549,827 A1985
- Instrument for writing and drawing19US 4,872,774 AR.P.R. Righella di W. Rosso & C. S.a.s. · 1989
- Thermochromic writing instrument11US 8,322,937 B2The Pilot Ink Co., Ltd. · 2012
- Nib replaceable writing instrument8US 4,406,555 ACathay Pen Corporation · 1983