E04G 21/3214
Means for working on roofs
Official title: {Means for working on roofs (on flat roofs E04G21/3223)}
E04G21/3214 (Means for working on roofs) appears on 81 US grants and 93 published applications in this corpus.
Search patents in E04G- Granted patents
- 81
- Published applications
- 93
- Assignees
- 35
- Inventors
- 160
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 2 | 5 |
| 2006 | 2 | 4 |
| 2007 | 0 | 4 |
| 2008 | 0 | 3 |
| 2009 | 2 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 3 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 5 |
| 2015 | 5 | 3 |
| 2016 | 2 | 2 |
| 2017 | 4 | 7 |
| 2018 | 5 | 4 |
| 2019 | 3 | 7 |
| 2020 | 4 | 3 |
| 2021 | 2 | 5 |
| 2022 | 4 | 11 |
| 2023 | 3 | 5 |
| 2024 | 3 | 6 |
| 2025 | 6 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Proofing fall safety system2 Jun 2026US 12,644,295 B2
- Construction devices for roofing2 Dec 2025US 12,486,678 B2
- Roof edge safety system2 Dec 2025US 12,486,682 B2Scepaniak IP Holdings, LLC
- Fall arrest roof mount anchor21 Oct 2025US 12,448,797 B2Sayfa R&D Pty Ltd
- Fall arrest roof mount anchor2 Sep 2025US 12,404,687 B2Sayfa R&D Pty Ltd
- Support Structure for Purlin Roof5 Feb 2026US 2026/0035941 A1
- Supporting wedge accommodating multiple rooftop profiles11 Dec 2025US 2025/0376860 A1Steelgrip Samm, Inc.
- Roof attachment system and method13 Feb 2025US 2025/0052080 A1Taaaza LLC
- Swivel anchor14 Nov 2024US 2024/0376730 A1Iron Fusion Enterprise, LLC
- A fall arrest roof mount anchor28 Mar 2024US 2024/0102302 A1Sayfa R&D Pty Ltd
Most cited
By later US patents