E04F 21/04
Patterns or templates
Official title: Patterns or templates; Jointing rulers {(profile trowels E04F21/16)}
E04F21/04 (Patterns or templates) appears on 153 US grants and 90 published applications in this corpus.
Search patents in E04F- Granted patents
- 153
- Published applications
- 90
- Assignees
- 47
- Inventors
- 182
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 6 | 0 |
| 2002 | 9 | 4 |
| 2003 | 5 | 5 |
| 2004 | 5 | 6 |
| 2005 | 3 | 3 |
| 2006 | 3 | 6 |
| 2007 | 3 | 3 |
| 2008 | 0 | 3 |
| 2009 | 2 | 5 |
| 2010 | 3 | 7 |
| 2011 | 5 | 3 |
| 2012 | 2 | 3 |
| 2013 | 6 | 4 |
| 2014 | 5 | 3 |
| 2015 | 3 | 3 |
| 2016 | 5 | 3 |
| 2017 | 2 | 2 |
| 2018 | 3 | 4 |
| 2019 | 9 | 9 |
| 2020 | 3 | 3 |
| 2021 | 2 | 4 |
| 2022 | 4 | 2 |
| 2023 | 5 | 1 |
| 2024 | 0 | 3 |
| 2025 | 4 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Screed beam support apparatus12 Aug 2025US 12,385,599 B2
- Tool for making an aesthetic wall skin24 Jun 2025US 12,337,504 B1Pulp Art Surfaces LLC
- Wide swath offset concrete screed17 Jun 2025US 12,331,470 B2Dragon Screed LLC
- System and method for shotcrete construction7 Jan 2025US 12,188,241 B2Shaw Craftsmen Concrete, LLC
- System and method for shotcrete construction5 Dec 2023US 11,834,851 B2Shaw Craftsmen Concrete, LLC
- Wide Swath Offset Concrete Screed9 Oct 2025US 2025/0314022 A1Dragon Screed LLC
- Screed beam support apparatus26 Dec 2024US 2024/0426421 A1
- Form Liner For Concrete7 Nov 2024US 2024/0367343 A1
- System and method for shotcrete construction29 Feb 2024US 2024/0068245 A1Shaw Craftsmen Concrete, LLC
- System and method for shotcrete construction11 May 2023US 2023/0148127 A1Shaw Craftsmen Concrete, LLC
Most cited
By later US patents
- Method for producing an ornamental concrete surface104US 5,735,094 AUltra-Tex Surfaces, Inc. · 1998
- Decorative three dimensional panels and method of producing the same65US 6,237,294 B12001
- Screed ski and support system and method59US 6,866,445 B22005
- Method for screeding cement58US 4,115,976 AJohn Rohrer Contracting Company · 1978
- Apparatus for levelling concrete50US 4,861,188 ALes Placements Paro Inc. · 1989