E04F 21/0084
Implements for removing filling material from joints
Official title: {Implements for removing filling material from joints}
E04F21/0084 (Implements for removing filling material from joints) appears on 36 US grants and 31 published applications in this corpus.
Search patents in E04F- Granted patents
- 36
- Published applications
- 31
- Assignees
- 13
- Inventors
- 70
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 3 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 3 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Tools for application of binding agents and filler5 Aug 2025US 12,378,780 B2
- Grout line squeegee tool2 Aug 2022US 11,399,688 B1
- Combination tool having variously configured implements for spreading materials8 Jun 2021US 11,028,600 B1Patent & Investment LLC
- System and method for installation of molding25 May 2021US 11,015,354 B2Wellington Investment Corporation
- Hand tool for cleaning mastic from tile spacing lines16 Mar 2021US 10,947,744 B1
- System and method for installation of molding25 Jan 2024US 2024/0026690 A1
- System and method for installation of molding25 Jan 2024US 2024/0026691 A1
- Tools for application of binding agents and filler17 Nov 2022US 2022/0364374 A1
- System and method for installation of molding26 Aug 2021US 2021/0262244 A1
- Tool Attachment for Raking Mortar Joints21 May 2020US 2020/0157824 A1Rhino Tools and Equipment Inc.
Most cited
By later US patents
- Caulk bead removal tool66US 6,035,536 AVancouver Tool Corporation · 2000
- Tile grout-cleaning tool49US 4,064,588 A1977
- Grout removal tool26US 6,678,959 B1Midwest Trade Tool, Inc. · 2004
- Hand-held device for removing joint fillers24US 6,578,229 B1Henkel Kommanditgesellschaft auf Aktien · 2003
- Grout removing tool15US 4,338,718 A1982