E04F 21/162
With a blade having a notched or toothed edge
Official title: {with a blade having a notched or toothed edge}
E04F21/162 (With a blade having a notched or toothed edge) appears on 60 US grants and 49 published applications in this corpus.
Search patents in E04F- Granted patents
- 60
- Published applications
- 49
- Assignees
- 27
- Inventors
- 93
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 3 | 7 |
| 2007 | 1 | 3 |
| 2008 | 1 | 3 |
| 2009 | 3 | 2 |
| 2010 | 4 | 2 |
| 2011 | 1 | 1 |
| 2012 | 3 | 1 |
| 2013 | 2 | 3 |
| 2014 | 1 | 3 |
| 2015 | 3 | 4 |
| 2016 | 4 | 2 |
| 2017 | 1 | 3 |
| 2018 | 5 | 1 |
| 2019 | 2 | 1 |
| 2020 | 4 | 3 |
| 2021 | 1 | 2 |
| 2022 | 3 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjustable notched trowel1 Sep 2026US 12,723,414 B2
- Hand trowel and hand trowel handle for use with the same14 Jul 2026US 12,680,319 B2Acufloor, LLC
- Tools for application of binding agents and filler5 Aug 2025US 12,378,780 B2
- Handle attachment for an adhesive spreader4 Mar 2025US 12,241,265 B2Roy Tiled Pty Limited
- 3D notch trowel10 Dec 2024US 12,163,340 B1
- Adjustable notched trowel12 Feb 2026US 2026/0043255 A1
- Adjustable Notched Trowel11 Sep 2025US 2025/0283337 A1
- Hand Trowel and Hand Trowel Handle for Use with the Same6 Jun 2024US 2024/0183176 A1Acufloor, LLC
- Handle attachment for an adhesive spreader16 Mar 2023US 2023/0085237 A1Roy Tiled Pty Limited
- Tools for application of binding agents and filler17 Nov 2022US 2022/0364374 A1
Most cited
By later US patents