B43K 27/04
Combinations of pencils
Official title: Combinations of pencils (writing-core feed mechanisms B43K21/02)
B43K27/04 (Combinations of pencils) appears on 37 US grants and 41 published applications in this corpus.
Search patents in B43K- Granted patents
- 37
- Published applications
- 41
- Assignees
- 22
- Inventors
- 68
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 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 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 3 |
| 2005 | 2 | 1 |
| 2006 | 0 | 4 |
| 2007 | 2 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 3 | 3 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 3 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 3 | 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.
- Eyebrow contour tool7 Jan 2025US 12,185,819 B2
- Fiber-bundled part for writing instruments, and pen tip and writing instrument using the fiber-bundled part7 Jan 2025US 12,187,068 B2Mitsubishi Pencil Company, Limited
- Cosmetic pencil cap with sharpener and waste container30 Jan 2024US 11,882,917 B1Modernmavenz
- Writing instrument14 Nov 2023US 11,813,888 B2Societe BIC
- Multi-Cartridge Pen Devices and Writing Instruments15 May 2025US 2025/0153502 A1ZuMedia Inc.
- Fiber-bundled part for writing instruments, and pen tip and writing instrument using the fiber-bundled part21 Dec 2023US 2023/0406029 A1Mitsubishi Pencil Company, Limited
- Eyebrow Contour Tool9 Nov 2023US 2023/0354985 A1
- Writing instrument24 Mar 2022US 2022/0088959 A1Societe BIC
- Multi-function writing instrument comprising a lead-holder system18 Mar 2021US 2021/0078353 A1Societe BIC
Most cited
By later US patents