E01F 7/04
Devices affording protection against snowslides, avalanches or falling rocks
Official title: Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries (securing of slopes E02D17/20; roof snow-traps E04D13/10)
E01F7/04 (Devices affording protection against snowslides, avalanches or falling rocks) appears on 109 US grants and 128 published applications in this corpus.
Search patents in E01F- Granted patents
- 109
- Published applications
- 128
- Assignees
- 75
- Inventors
- 236
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 5 |
| 2006 | 3 | 5 |
| 2007 | 2 | 6 |
| 2008 | 4 | 5 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 4 |
| 2012 | 3 | 4 |
| 2013 | 1 | 5 |
| 2014 | 5 | 8 |
| 2015 | 3 | 4 |
| 2016 | 5 | 6 |
| 2017 | 2 | 2 |
| 2018 | 4 | 8 |
| 2019 | 2 | 10 |
| 2020 | 6 | 11 |
| 2021 | 7 | 7 |
| 2022 | 8 | 11 |
| 2023 | 2 | 5 |
| 2024 | 11 | 10 |
| 2025 | 6 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensor-fitted metal net15 Sep 2026US 12,734,575 B2Officine Maccaferri S.P.A.
- Protection structure and metal protection net for such a protection structure1 Sep 2026US 12,723,359 B2Officine Maccaferri S.P.A.
- Flexible glass protective net with landscape function for falling objects and design method thereof3 Feb 2026US 12,540,478 B2China Construction Fifth Engineering Bureau Southwest Construction & investment Co., Ltd.
- Protective structure and method for dissipating tensile load applied to a support cable in a support cable arrangement of the protective structure21 Oct 2025US 12,448,743 B2Trumer Schutzbauten GesmbH
- Energy-absorption device, support, cable brake, safety net construction and method5 Aug 2025US 12,379,013 B2Geobrugg AG
- Avalanche triggering apparatus23 Jul 2026US 2026/0210685 A1Alpine Infrastructure Inc.
- Containment sheet and relative containment structure comprising said containment sheet28 Aug 2025US 2025/0270783 A1Hyper Fibers S.R.L.
- High-impact structural barrier22 May 2025US 2025/0163659 A1Kan-Arm Contracting Ltd.
- Common-use rockfall protection and avalanche prevention fence13 Mar 2025US 2025/0084597 A1
- Protection structure and metal protection net for such a protection structure11 Jul 2024US 2024/0229382 A9Officine Maccaferri S.P.A.
Most cited
By later US patents
- Safety net system for debris and mud slides54US 5,961,099 ABrugg Cable Products, Inc. · 1999
- Flex post fence35US 5,299,781 AState Department of Highways, State of Colorado · 1994
- Modular rock catchment barrier32US 5,186,438 A1993
- Protective barrier against falls of stones30US 4,730,810 AMecanroc · 1988
- Silt fence fabric, apparatus and method26US 6,053,665 A2000