E04G 21/201
Trowels
Official title: {Trowels}
E04G21/201 (Trowels) appears on 24 US grants and 16 published applications in this corpus.
Search patents in E04G- Granted patents
- 24
- Published applications
- 16
- Assignees
- 8
- Inventors
- 29
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 3 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 4 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Container with interchangeable liner1 Sep 2026US 12,723,413 B2
- Adjustable stopper assembly for press brake14 Apr 2026US 12,601,189 B2
- Mortar-dispensing device19 Aug 2025US 12,392,148 B1
- Adjustable stopper assembly for press brake11 Apr 2023US 11,624,195 B2
- Trowel protector accessory20 Sep 2022US 11,446,808 B1
- Durable smoothing trowel7 Nov 2024US 2024/0367307 A1Nela GmbH
- Processing apparatus for surface treatment of concrete and method of surface treatment of concrete7 Nov 2024US 2024/0368907 A1F-tec Co., Ltd
- Container with interchangeable liner8 Aug 2024US 2024/0263463 A12446914 Ontario Inc.
- Levelling tool27 Jun 2024US 2024/0209642 A1Evolution Construction System, S.L.
- Adjustable stopper assembly for press brake6 Jul 2023US 2023/0211400 A12446914 Ontario Inc.
Most cited
By later US patents
- Bricklayers trowel holster19US 4,307,825 A1981
- Hand held building tools12US 9,051,744 B1Exceptional IP Holdings, LLC · 2015
- Apparatus for building tools8US 7,784,143 B1KC Holdings, LLC · 2010
- Hand held building tools5US 8,286,297 B1Exceptional IP Holdings, LLC · 2012
- Wall material pan holder4US 10,287,060 B12019