E04G 21/20
For applying mortar
Official title: for applying mortar
E04G21/20 (For applying mortar) appears on 82 US grants and 45 published applications in this corpus.
Search patents in E04G- Granted patents
- 82
- Published applications
- 45
- Assignees
- 23
- Inventors
- 122
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 3 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 4 | 3 |
| 2011 | 1 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 2 |
| 2016 | 0 | 2 |
| 2017 | 3 | 3 |
| 2018 | 3 | 2 |
| 2019 | 3 | 2 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 3 |
| 2024 | 0 | 5 |
| 2025 | 5 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04G 21/201Trowels24
- E04G 21/202Hoses specially adapted therefor17
- E04G 21/204Mortar sledges17
- E04G 2021/208On a vertical jointIndexing code9
- E04G 21/207Static templates for applying a predefined layer of mortar7
- E04G 21/206Devices to apply thin-bed mortar joints6
- E04G 21/203Prepared mortar strips, pouches or the like to be applied between masonry2
Recent patents
- Container with interchangeable liner1 Sep 2026US 12,723,413 B2
- Adjustable stopper assembly for press brake14 Apr 2026US 12,601,189 B2
- Adhesive application system26 Aug 2025US 12,398,574 B2Fastbrick IP Pty Ltd
- Mortar-dispensing device19 Aug 2025US 12,392,148 B1
- Mortar applicator and mortar application system having same1 Jul 2025US 12,345,059 B2Groupe Refraco Inc.
- Vibratory cementitious-material dispensing device27 Aug 2026US 2026/0250969 A1
- 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
- Adhesive application system3 Oct 2024US 2024/0328180 A1Fastbrick IP Pty Ltd
- Container with interchangeable liner8 Aug 2024US 2024/0263463 A12446914 Ontario Inc.
Most cited
By later US patents
- System for laying masonry blocks34US 6,370,837 B1Anthony B. McMahon · 2002
- Control method for feeding items on a conveyor26US 4,008,796 AGeneral Concrete of Canada Limited · 1977
- Mortaring made easier24US 5,527,145 A1996
- Bricklayers trowel holster19US 4,307,825 A1981
- Building material applicator19US 4,352,445 A1982