B43L 1/12
Repeatedly-usable boards or tablets for writing or drawing: having translucent writing surfaces
Official title: having translucent writing surfaces producing visual impressions by co-operation with backing members {(B43L1/008 takes precedence)}
B43L1/12 (Repeatedly-usable boards or tablets for writing or drawing: having translucent writing surfaces) appears on 100 US grants and 78 published applications in this corpus.
Search patents in B43L- Granted patents
- 100
- Published applications
- 78
- Assignees
- 48
- Inventors
- 168
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 5 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 0 | 4 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 2 | 2 |
| 2012 | 0 | 4 |
| 2013 | 3 | 6 |
| 2014 | 2 | 5 |
| 2015 | 3 | 2 |
| 2016 | 2 | 5 |
| 2017 | 4 | 8 |
| 2018 | 2 | 7 |
| 2019 | 9 | 5 |
| 2020 | 6 | 4 |
| 2021 | 6 | 6 |
| 2022 | 3 | 2 |
| 2023 | 3 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Identifying and redacting captured data5 Aug 2025US 12,380,235 B2Axon Enterprise, Inc.
- Erasable writable substrates and methods of manufacture4 Mar 2025US 12,240,265 B1
- Dry erase marker board system with solid wetting marker board9 Apr 2024US 11,951,764 B1Antemilan, LLC
- Erasable writable materials3 Oct 2023US 11,772,410 B1
- Retractable boundary apparatus and system22 Aug 2023US 11,731,451 B2Comsero, Inc.
- Erasable display system20 Nov 2025US 2025/0353320 A1
- Micro-suction reusable and repositionable writing surfaces29 Jun 2023US 2023/0202225 A1Comsero, Inc.
- Multi-sided modular erasable writing panel and system for attachment thereof6 Oct 2022US 2022/0314685 A1Comsero, Inc.
- Micro-suction reusable and repositionable writing surfaces3 Mar 2022US 2022/0063324 A1Comsero, Inc.
- Retractable boundary apparatus and system20 May 2021US 2021/0146715 A1Comsero, Inc.
Most cited
By later US patents
- Electrostatic image display apparatus92US 4,931,019 APennwalt Corporation · 1990
- Space planning system and method66US 4,652,239 A1987
- Reusable facsimile transmittal sheet and method61US 5,178,420 A1993
- Luminescent display and copying apparatus and method for using same28US 5,324,202 AThe Ohio Art Company · 1994
- Video communication system allowing graphic additions to the images communicated24US 4,371,893 A1983