E04G 21/204
Mortar sledges
Official title: {Mortar sledges}
E04G21/204 (Mortar sledges) appears on 17 US grants and 5 published applications in this corpus.
Search patents in E04G- Granted patents
- 17
- Published applications
- 5
- Assignees
- 4
- Inventors
- 22
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 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 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Mortar-dispensing device19 Aug 2025US 12,392,148 B1
- Method for continuously extruding and depositing an unbroken layer of mortar on a work surface or substrate15 Oct 2019US 10,443,250 B2
- Method and apparatus for selectively extruding and applying a layer of mortar upon a selected surface13 Oct 2015US 9,157,246 B2
- Mortar applying machine and block for use in conjunction therewith29 Jun 2010US 7,743,586 B2Save Block, LLC
- System for laying masonry blocks16 Apr 2002US 6,370,837 B1Anthony B. McMahon
- Method for continuously extruding and depositing an unbroken layer of mortar on a work surface or substrate24 Jan 2019US 2019/0024395 A9
- Method for continuously extruding and depositing an unbroken layer of mortar on a work surface or substrate13 Apr 2017US 2017/0101792 A1
- Tool for applying mortar30 Oct 2014US 2014/0317869 A1
- Method and apparatus for selectively extruding and applying a layer of mortar upon a selected surface27 Dec 2012US 2012/0328792 A1
- Mortar applying machine and block for use in conjunction therewith1 Dec 2005US 2005/0262800 A1Save Block, LLC
Most cited
By later US patents
- System for laying masonry blocks34US 6,370,837 B1Anthony B. McMahon · 2002
- Building material applicator19US 4,352,445 A1982
- Levelled cement spreader for laying tiles18US 5,387,051 AAntonietta Investments Ltd. · 1995
- Mortar applying machine16US 4,043,487 A1977
- Device for applying mortar16US 4,135,651 A1979