B43K 8/04
Arrangements for feeding ink to writing-points
B43K8/04 (Arrangements for feeding ink to writing-points) appears on 286 US grants and 259 published applications in this corpus.
Search patents in B43K- Granted patents
- 286
- Published applications
- 259
- Assignees
- 130
- Inventors
- 468
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 3 |
| 2002 | 12 | 10 |
| 2003 | 15 | 8 |
| 2004 | 3 | 8 |
| 2005 | 6 | 17 |
| 2006 | 12 | 10 |
| 2007 | 10 | 10 |
| 2008 | 7 | 11 |
| 2009 | 3 | 16 |
| 2010 | 9 | 13 |
| 2011 | 9 | 5 |
| 2012 | 8 | 10 |
| 2013 | 6 | 9 |
| 2014 | 7 | 7 |
| 2015 | 10 | 14 |
| 2016 | 7 | 7 |
| 2017 | 14 | 17 |
| 2018 | 12 | 8 |
| 2019 | 12 | 7 |
| 2020 | 10 | 9 |
| 2021 | 8 | 15 |
| 2022 | 9 | 15 |
| 2023 | 10 | 11 |
| 2024 | 13 | 5 |
| 2025 | 9 | 10 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Replaceable cartridge for a writing instrument and method thereof12 May 2026US 12,623,482 B2Societe BIC
- Porous cap felt pen25 Nov 2025US 12,479,232 B2BIC Violex Single Member S.A.
- Marker pixel wicking apparatus2 Sep 2025US 12,403,720 B2Crayola LLC
- Cosmetic applicator29 Jul 2025US 12,369,699 B2Mitsubishi Pencil Company, Limited
- Device for applying a viscous substance6 May 2025US 12,290,825 B2Schwan-Stabilo Cosmetic GmbH & Co. KG
- Marker pen8 Oct 2026US 2026/0307427 A1Wenzhou Jinma Stationery Manufacturing Co., Ltd.
- Controllable direct liquid tool pen30 Jul 2026US 2026/0217052 A1Jiangxi Yihuale Pen Industry Co., Ltd
- Applicator16 Jul 2026US 2026/0199932 A1Mitsubishi Pencil Company, Limited
- Writing implements7 May 2026US 2026/0124850 A1Societe BIC
- Marker pixel wicking apparatus20 Nov 2025US 2025/0353321 A1Crayola LLC
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
- Efficient fluid dispensing utensil96US 6,322,268 B1Avery Dennison Corporation · 2001
- Electroluminescent device comprising oxadiazole compounds luminescent material, oxadiazole compounds for the device, and method of producing oxadiazole compounds63US 5,420,288 ARicoh Company, Ltd. · 1995
- Electroluminescent device comprising oxadiazole compounds luminescent material, oxadiazole compounds for the device, and method of producing oxadiazole compounds59US 5,656,401 ARicoh Company, Ltd. · 1997
- Method of producing oxadiazole compounds56US 5,597,925 ARicoh Company, Ltd. · 1997