B43L 1/04
Blackboards
Official title: Blackboards ({wall mounting or suspension arrangements for blackboards or the like A47B97/001}; easels or stands for blackboards A47B97/04)
B43L1/04 (Blackboards) appears on 117 US grants and 141 published applications in this corpus.
Search patents in B43L- Granted patents
- 117
- Published applications
- 141
- Assignees
- 82
- Inventors
- 267
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 5 |
| 2005 | 1 | 7 |
| 2006 | 2 | 10 |
| 2007 | 4 | 11 |
| 2008 | 1 | 3 |
| 2009 | 3 | 7 |
| 2010 | 0 | 5 |
| 2011 | 5 | 6 |
| 2012 | 2 | 4 |
| 2013 | 5 | 10 |
| 2014 | 3 | 6 |
| 2015 | 6 | 14 |
| 2016 | 6 | 5 |
| 2017 | 4 | 9 |
| 2018 | 3 | 3 |
| 2019 | 6 | 6 |
| 2020 | 6 | 6 |
| 2021 | 7 | 5 |
| 2022 | 2 | 4 |
| 2023 | 3 | 3 |
| 2024 | 4 | 1 |
| 2025 | 3 | 6 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multifunctional jigsaw puzzle board for children14 Oct 2025US 12,440,750 B1
- Whiteboard substrate with mounting assembly10 Jun 2025US 12,324,521 B2Teachergeek, Inc.
- Textile article having a surface for receiving removable indicia and a method of manufacture21 Jan 2025US 12,203,213 B2Origin8 Studio LLC
- Information processing apparatus and information processing method26 Nov 2024US 12,154,305 B2Sony Group Corporation
- Write erasable component system19 Nov 2024US 12,145,396 B2
- Freestanding sensory learning and display tool with incorporated reusable writing surface14 May 2026US 2026/0134793 A1
- Board system having a face configured for writing or fixing of printed texts or images on physical medium and related method of preparation11 Dec 2025US 2025/0375978 A1Bi-Silque, S.A.
- Display board ballistic shield2 Oct 2025US 2025/0305800 A1
- Cooler Device3 Jul 2025US 2025/0216141 A1
- Textile article having a surface for receiving emovable indicia and a method of manufacture8 May 2025US 2025/0146216 A1Origin8 Studio LLC
Most cited
By later US patents
- White board91US 4,996,110 ABridgestone Corporation · 1991
- Bulletin board and accessory attaching mechanism66US 5,658,635 ABoone International, Inc. · 1997
- Marker board61US 7,874,842 B2ACCO Brands USA LLC · 2011
- Mobile display board arrangement60US 5,941,713 AHaworth, Inc. · 1999
- Electronic print board39US 4,667,254 AOki Electric Industry Co., Ltd. · 1987