E04F 21/242
With vibrating means
Official title: {with vibrating means, e.g. vibrating screeds}
E04F21/242 (With vibrating means) appears on 109 US grants and 105 published applications in this corpus.
Search patents in E04F- Granted patents
- 109
- Published applications
- 105
- Assignees
- 40
- Inventors
- 141
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 2 |
| 2004 | 5 | 3 |
| 2005 | 4 | 7 |
| 2006 | 7 | 7 |
| 2007 | 5 | 5 |
| 2008 | 3 | 3 |
| 2009 | 5 | 4 |
| 2010 | 4 | 5 |
| 2011 | 2 | 5 |
| 2012 | 2 | 2 |
| 2013 | 2 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 3 | 2 |
| 2017 | 3 | 4 |
| 2018 | 1 | 5 |
| 2019 | 5 | 4 |
| 2020 | 1 | 4 |
| 2021 | 5 | 6 |
| 2022 | 3 | 4 |
| 2023 | 3 | 10 |
| 2024 | 3 | 4 |
| 2025 | 4 | 5 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Attachment for screeding concrete15 Sep 2026US 12,735,904 B2Meinders Concrete Construction, Inc.
- Electronically actuated leveling system for screeding concrete14 Jul 2026US 12,680,240 B2Ligchine International Corporation
- Concrete screed device with oscillating screed bar23 Jun 2026US 12,662,826 B2Bad Ass Tools LLC
- Hand-held vibrating cement trowel2 Jun 2026US 12,644,293 B2CK Industry LLC
- System and method of operating a vibrating screed28 Apr 2026US 12,612,744 B2Milwaukee Electric Tool Corporation
- Vibrating power tool and components thereof3 Sep 2026US 2026/0258613 A1
- Drive-in boom screed23 Jul 2026US 2026/0210135 A1Ligchine International Corporation
- Concrete screeding machine with elevation control over contoured support surface18 Jun 2026US 2026/0168265 A1Somero Enterprises, Inc.
- Systems and processes for finishing a surface utilizing an unmanned aerial vehicle5 Mar 2026US 2026/0062873 A1
- Device for floating wet concrete edges to grade and related methods5 Mar 2026US 2026/0062934 A1
Most cited
By later US patents
- Apparatus for screening and trowelling concrete75US 5,039,249 A1991
- Apparatus and method for controlling laser guided machines73US 4,978,246 A1990
- Apparatus for screeding uncured concrete surfaces71US 7,121,762 B2Somero Enterprises, Inc. · 2006
- Transformable two-person floating screed with automatic grade control56US 6,089,787 AAllen Engineering Corporation · 2000
- Portable screed with floating screed plate55US 4,838,730 A1989