B43L 21/04
Wiper holders
B43L21/04 (Wiper holders) appears on 43 US grants and 27 published applications in this corpus.
Search patents in B43L- Granted patents
- 43
- Published applications
- 27
- Assignees
- 17
- Inventors
- 72
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 3 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Utility holder for a metal whiteboard15 Jul 2025US 12,358,318 B2Polyvision, Naamloze Vennootschap
- Portable dry erase board with carrying case30 Jul 2024US 12,049,100 B1
- Eraser assembly and eraser inserts31 May 2022US 11,345,182 B2Amazing Magnet, LLC
- Eraser assembly15 Mar 2022US 11,273,665 B2Amazing Magnets, LLC
- Writing board holder28 Sep 2021US 11,129,476 B2
- Utility holder for a metal whiteboard22 Sep 2022US 2022/0297470 A1Polyvision, Naamloze Vennootschap
- Bigop learn and play, templates printed on each side of the dry erase board for learn and practice addition, subtraction and multiplication17 Mar 2022US 2022/0080768 A1Bigop Learn and Play LLC
- Writing board holder9 Apr 2020US 2020/0107638 A1
- Eraser assembly and eraser inserts23 Jan 2020US 2020/0023671 A1Amazing Magnets, LLC
- Recessed marker tray and accessory holder for a writing surface26 Sep 2019US 2019/0291500 A1
Most cited
By later US patents
- Bulletin board and accessory attaching mechanism66US 5,658,635 ABoone International, Inc. · 1997
- Eraser38US 5,072,483 A1991
- Multi-purpose hook37US 5,910,351 ABoone International, Inc. · 1999
- Eraser system for stubborn dry erase marks34US 5,432,973 ASanford, L. P. · 1995
- Combined whiteboard marking pen and eraser30US 5,855,442 A1999