E04G 21/32
Safety or protective measures for persons during the construction of buildings
Official title: Safety or protective measures for persons during the construction of buildings (relating to scaffolds E04G5/00; climbing tools, e.g. climbing irons for masts A63B27/00; ropes or belts for life saving A62B1/16, A62B35/00)
E04G21/32 (Safety or protective measures for persons during the construction of buildings) appears on 974 US grants and 1,020 published applications in this corpus.
Search patents in E04G- Granted patents
- 974
- Published applications
- 1,020
- Assignees
- 437
- Inventors
- 1,489
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 13 | 0 |
| 1991 | 10 | 0 |
| 1992 | 12 | 0 |
| 1993 | 10 | 0 |
| 1994 | 19 | 0 |
| 1995 | 15 | 0 |
| 1996 | 20 | 0 |
| 1997 | 21 | 0 |
| 1998 | 27 | 0 |
| 1999 | 22 | 0 |
| 2000 | 24 | 0 |
| 2001 | 19 | 10 |
| 2002 | 12 | 18 |
| 2003 | 13 | 23 |
| 2004 | 22 | 24 |
| 2005 | 16 | 30 |
| 2006 | 12 | 47 |
| 2007 | 12 | 26 |
| 2008 | 9 | 26 |
| 2009 | 15 | 41 |
| 2010 | 15 | 31 |
| 2011 | 15 | 32 |
| 2012 | 14 | 36 |
| 2013 | 25 | 43 |
| 2014 | 37 | 57 |
| 2015 | 39 | 48 |
| 2016 | 40 | 41 |
| 2017 | 54 | 53 |
| 2018 | 35 | 52 |
| 2019 | 46 | 53 |
| 2020 | 47 | 61 |
| 2021 | 35 | 50 |
| 2022 | 40 | 55 |
| 2023 | 36 | 42 |
| 2024 | 40 | 57 |
| 2025 | 47 | 33 |
| 2026 | 23 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Escape structure29 Sep 2026US 12,746,416 B2
- Protective roof with an adjustable width and depth for installing in an elevator shaft25 Aug 2026US 12,715,738 B2Inventio AG
- Formwork system18 Aug 2026US 12,709,892 B2Apache Industrial Services, Inc.
- Portable truss cable roofing safety apparatus and method11 Aug 2026US 12,703,989 B2
- Building system and method thereof4 Aug 2026US 12,698,626 B2Bahler IP, LLC
- Deck post for multi-storey building construction8 Oct 2026US 2026/0308927 A1
- Safety system8 Oct 2026US 2026/0308928 A1
- Clamping device for attachment of a safety element to a building element24 Sep 2026US 2026/0286733 A1Doka GmbH
- 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
Most cited
By later US patents
- Mounting device for controlling uplift of a metal roof139US 5,715,640 A1998
- Mounting device for building structures129US 5,228,248 A1993
- Clamp for securing assemblies other than snow retention devices to a raised metal seam roof127US 6,164,033 A2000
- Mounting device for building surfaces124US 5,983,588 A1999
- Roof mount124US 6,526,701 B2Vermont Slate & Copper Services, Inc. · 2003