B43
Writing or drawing implements
Official title: Writing or drawing implements; bureau accessories
B43 (Writing or drawing implements) appears on 7,631 US grants and 5,129 published applications in this corpus.
Search patents in B43- Granted patents
- 7,631
- Published applications
- 5,129
- Assignees
- 2,057
- Inventors
- 10,159
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 123 | 0 |
| 1977 | 93 | 0 |
| 1978 | 107 | 0 |
| 1979 | 103 | 0 |
| 1980 | 115 | 0 |
| 1981 | 108 | 0 |
| 1982 | 107 | 0 |
| 1983 | 93 | 0 |
| 1984 | 99 | 0 |
| 1985 | 155 | 0 |
| 1986 | 132 | 0 |
| 1987 | 129 | 0 |
| 1988 | 145 | 0 |
| 1989 | 147 | 0 |
| 1990 | 197 | 0 |
| 1991 | 189 | 0 |
| 1992 | 175 | 0 |
| 1993 | 139 | 0 |
| 1994 | 145 | 0 |
| 1995 | 134 | 0 |
| 1996 | 136 | 0 |
| 1997 | 128 | 0 |
| 1998 | 170 | 0 |
| 1999 | 248 | 0 |
| 2000 | 179 | 0 |
| 2001 | 227 | 62 |
| 2002 | 213 | 149 |
| 2003 | 176 | 237 |
| 2004 | 188 | 256 |
| 2005 | 197 | 345 |
| 2006 | 195 | 283 |
| 2007 | 182 | 308 |
| 2008 | 169 | 253 |
| 2009 | 127 | 244 |
| 2010 | 154 | 229 |
| 2011 | 166 | 230 |
| 2012 | 155 | 174 |
| 2013 | 155 | 170 |
| 2014 | 127 | 171 |
| 2015 | 138 | 219 |
| 2016 | 145 | 194 |
| 2017 | 165 | 212 |
| 2018 | 135 | 187 |
| 2019 | 188 | 208 |
| 2020 | 188 | 186 |
| 2021 | 151 | 172 |
| 2022 | 142 | 173 |
| 2023 | 139 | 131 |
| 2024 | 147 | 119 |
| 2025 | 115 | 127 |
| 2026 | 51 | 90 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subclasses
Granted patents
Recent patents
- Writing instrument6 Oct 2026US 12,752,569 B2Mitsubishi Pencil Company, Limited
- Speed square with highly visible level6 Oct 2026US 12,754,003 B2
- Writing implement29 Sep 2026US 12,746,776 B2Kabushiki Kaisha Pilot Corporation
- Marking tool22 Sep 2026US 12,741,479 B2Milwaukee Electric Tool Corporation
- Grip for a writing implement22 Sep 2026US 12,741,480 B2BIC Violex Single Member S.A.
- Marker pen8 Oct 2026US 2026/0307427 A1Wenzhou Jinma Stationery Manufacturing Co., Ltd.
- Pencil lead with polyhydroxybutyric acid binder and pencil with the lead1 Oct 2026US 2026/0296088 A1Staedtler SE
- Pencil, Shaft and Process for Production Thereof24 Sep 2026US 2026/0285079 A1Staedtler SE
- Layout tool24 Sep 2026US 2026/0285080 A1Jessem Tool Corporation
- Fire shaver17 Sep 2026US 2026/0273795 A1Outdoor Element, LLC
Most cited
By later US patents
- Medical article having fluid control film323US 6,420,622 B13M Innovative Properties Company · 2002
- Handle/grip and method for designing the like277US 6,988,295 B22006
- Miniaturized calculator keyboard switch assembly having universally pivoted key actuators191US 4,029,915 AHoshidenkoseizo Kabushiki Kaisha · 1977
- Printer consumable cartridge165US 6,290,349 B1Silverbrook Research Pty Ltd · 2001
- Locking stand for small, portable devices157US 4,066,231 A1978