E04G 21/3204
Against falling down
Official title: {against falling down}
E04G21/3204 (Against falling down) appears on 550 US grants and 636 published applications in this corpus.
Search patents in E04G- Granted patents
- 550
- Published applications
- 636
- Assignees
- 269
- Inventors
- 961
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 15 | 0 |
| 2001 | 12 | 5 |
| 2002 | 6 | 8 |
| 2003 | 9 | 14 |
| 2004 | 9 | 14 |
| 2005 | 12 | 19 |
| 2006 | 5 | 23 |
| 2007 | 7 | 16 |
| 2008 | 4 | 16 |
| 2009 | 10 | 26 |
| 2010 | 8 | 17 |
| 2011 | 7 | 16 |
| 2012 | 9 | 14 |
| 2013 | 12 | 23 |
| 2014 | 16 | 35 |
| 2015 | 24 | 30 |
| 2016 | 18 | 32 |
| 2017 | 36 | 39 |
| 2018 | 26 | 38 |
| 2019 | 31 | 37 |
| 2020 | 31 | 32 |
| 2021 | 19 | 31 |
| 2022 | 25 | 38 |
| 2023 | 23 | 28 |
| 2024 | 26 | 39 |
| 2025 | 33 | 24 |
| 2026 | 7 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04G 21/3223Means supported by building floors or flat roofs297
- E04G 21/3214Means for working on roofs81
- E04G 21/3219Means supported by the building wall59
- E04G 21/3252Protections56
- E04G 21/3247Storey high safety barrier hung from the facade and sliding up from33
- E04G 21/3209Temporary tunnels specially adapted against falling objects16
- E04G 2021/3257Specific for floors made of prefabricated hollow platesIndexing code4
Recent patents
- Proofing fall safety system2 Jun 2026US 12,644,295 B2
- Modular free-standing ballasted guardrail system26 May 2026US 12,637,868 B2Sayfa R&D Pty Ltd
- Method of construction19 May 2026US 12,631,015 B2
- Portable rooftop guardrail assembly28 Apr 2026US 12,612,794 B1USA Corporate Holding, Inc.
- Edge protection barrier separate handrail21 Apr 2026US 12,607,036 B2Honeywell Safety Products USA, Inc.
- Deck post for multi-storey building construction8 Oct 2026US 2026/0308927 A1
- Configurable Hatch Railing System10 Sep 2026US 2026/0266073 A1Safety Rail Source, LLC
- Climbing shoe, latching means, fastening part and method10 Sep 2026US 2026/0266074 A1Hünnebeck GmbH
- Method of Construction3 Sep 2026US 2026/0258651 A1
- Apparatus for quick-deploy scaffolding16 Jul 2026US 2026/0201712 A1
Most cited
By later US patents
- Roof perimeter safety rail system88US 6,053,281 AMurray Roofing Company Inc. · 2000
- Safety post assembly70US 5,431,372 ADenpak Building Products, Inc. · 1995
- Protective cover for concrete reinforcing bar70US 5,943,836 ADon De Cristo Concrete Accessories, Inc. · 1999
- Rebar safety cap68US 4,202,378 A1980
- Frame erection safety system and components thereof66US 5,029,670 A1991