B43K 31/005
Distributors for leads, cartridges and the like
Official title: {Distributors for leads, cartridges and the like}
B43K31/005 (Distributors for leads, cartridges and the like) appears on 22 US grants and 6 published applications in this corpus.
Search patents in B43K- Granted patents
- 22
- Published applications
- 6
- Assignees
- 9
- Inventors
- 28
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Replacement lead case15 Jul 2025US 12,358,685 B2Mitsubishi Pencil Company, Limited
- Lead cartridge and mechanical pencil with built-in lead cartridge21 May 2013US 8,444,336 B2Kotobuki & Co., Ltd.
- Advancing pen having individually capped cartridges8 Jun 2010US 7,731,439 B2
- Advancing pen having individually capped cartridge5 Jun 2007US 7,226,228 B1
- Container for lead refill30 Jan 2001US 6,179,124 B2Pentel Kabushiki Kaisha
- Replacement lead case28 Mar 2024US 2024/0101307 A1Mitsubishi Pencil Company, Limited
- Writing utensil with telescoping cap28 Mar 2019US 2019/0092085 A1
- Writing Instrument With Removable Cartridge of Writing Material5 Jan 2012US 2012/0003026 A1Raymond Geddes & Company, Inc.
- Lead cartridge and mechanical pencil with built-in lead cartridge19 Aug 2010US 2010/0209173 A1Kotobuki & Co., Ltd.
- Box For Pencil Leads4 Feb 2010US 2010/0025276 A1Societe BIC
Most cited
By later US patents
- Lead dispensing storage container16US 5,480,249 AKotobuki & Co., Ltd. · 1996
- Lead refill cartridge for mechanical pencil12US 4,984,288 A1991
- Mechanical pencil equipped with lead-storing cartridge10US 4,619,539 AKotobuki & Co., Ltd. · 1986
- Case for storing spare leads10US 4,811,842 AChitose Kagaku Kogyo Co., Ltd. · 1989
- Writing implement and kit8US 4,515,492 A1985