E01F 7/04

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Class  E01F : ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE


Subclass 7/04: Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks (permanently installed heating or blowing devices for roads E01C 11/26); Anti-dazzle arrangements Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries (securing of slopes E02D 17/2; roof snow-traps E04D 13/1)

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12247395 Hybrid snow and ice retention systemFeb 16, 23Mar 11, 25Vermont Slate & Copper Services, Inc.
12227912 Pile-net flexible cable barrier structure and construction method thereofJul 18, 24Feb 18, 25Railway Construction Research Institute, China Academy of Railway Science Group Co., Ltd.
12222331 Systems and methods for impact testing and monitoring of high-energy flexible netsSep 26, 24Feb 11, 25RAILWAY ENGINEERING RESEARCH INSTITUTE, CHINA ACADEMY OF RAILWAY SCIENCES CO., LTD.; CHINA ACADEMY OF RAILWAY SCIENCES CO., LTD.;
12146815 System and method for monitoring hydrogeological riskJul 30, 19Nov 19, 24OFFICINE MACCAFERRI S.P.A.
12146282 Safety net for rockfall protection barriersMay 11, 21Nov 19, 24Trumer Schutzbauten Ges.m.b.H
12146281 Throwing toughness buffer mesh unit for rockfall protection and design method of critical throwing angle thereofMar 15, 21Nov 19, 24Southwest Jiaotong University
12129618 Wire netting, a process and a device for manufacturing the wire nettingMay 12, 22Oct 29, 24Not available
12104338 Combined type flexible glass net system used for protection against full-particle falling rocks on plank roads in scenic sports and mounting method thereofSep 26, 21Oct 01, 24Southwest Jiaotong University
12078466 Avalanche triggering systemOct 08, 20Sep 03, 24MND FRANCE
12071734 Debris flow anti-collision device with high-speed water curtain for mountain bridgeSep 27, 22Aug 27, 24West China Normal University
11982060 Barrier structure for bearing high-energy impact and construction method thereofOct 19, 23May 14, 24Railway Construction Research Institute, China Academy of Railway Science Group Co., Ltd.; China Academy of Railway Sciences Group Co., Ltd.;
11976429 Shed tunnel structure for preventing falling rockMay 02, 22May 07, 24Sichuan Communication Surveying & Design Institute Co., Ltd.
11904380 Method for producing helices, production device for producing helices, chain-link net device, and uses of the chain-link net deviceJan 31, 20Feb 20, 24GEOBRUGG AG
11866900 Panel system for rockburst or landslide containment in mining tunnels and road works consisting of a frame attached to a strap mesh whose nodes are linked by connecting buckles; and installation procedureJun 28, 19Jan 09, 24Garibaldi S.A.
11535990 Two-stage energy dissipation type shed tunnel support structure connected by principle of Dougong and a design method thereofMar 15, 21Dec 27, 22Southwest Jiaotong University; Southwest Jiaotong University Chengdu Design Institute Co., Ltd.;
11479930 Mudslide erosion inhibitorSep 22, 21Oct 25, 22Not available
11466421 Horizontally extendable silt fenceDec 11, 20Oct 11, 22New Pig Corporation
11448280 Bi-linear energy dissipating and shock absorbing device for cable subjected to tensionJan 04, 17Sep 20, 22The Hong Kong University of Science and Technology
11414821 Expandable modular energy-dissipation protection net unit group and protection net system formed by the sameSep 02, 20Aug 16, 22Southwest Jiaotong University
11391005 System and method for mitigating rockfallsAug 10, 20Jul 19, 22R&B LEASING, LLC

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0084,597 COMMON-USE ROCKFALL PROTECTION AND AVALANCHE PREVENTION FENCEMar 04, 22Mar 13, 25Not available
2024/0229,382 PROTECTION STRUCTURE AND METAL PROTECTION NET FOR SUCH A PROTECTION STRUCTUREFeb 14, 22Jul 11, 24Not available
2024/0167,235 BARRIER STRUCTURE FOR BEARING HIGH-ENERGY IMPACT AND CONSTRUCTION METHOD THEREOFOct 19, 23May 23, 24Not available
2024/0133,136 PROTECTION STRUCTURE AND METAL PROTECTION NET FOR SUCH A PROTECTION STRUCTUREFeb 14, 22Apr 25, 24Not available
2024/0068,184 DEBRIS FLOW ANTI-COLLISION DEVICE WITH HIGH-SPEED WATER CURTAIN FOR MOUNTAIN BRIDGESep 27, 22Feb 29, 24Not available
2024/0035,241 PROTECTIVE STRUCTURENov 29, 21Feb 01, 24Not available
2024/0035,242 ELEMENT FOR SLOPE SECUREMENTJan 26, 22Feb 01, 24Not available
2024/0026,618 PROTECTIVE STRUCTURE AND METHOD FOR DISSIPATING TENSILE LOAD APPLIED TO A SUPPORT CABLE IN A SUPPORT CABLE ARRANGEMENT OF THE PROTECTIVE STRUCTURENov 29, 21Jan 25, 24Not available
2023/0265,623 STRUCTURE FOR ABSORBING IMPACT ENERGYJun 25, 21Aug 24, 23Not available
2023/0220,636 ROCKFALL BARRIERMay 04, 21Jul 13, 23Not available
2023/0043,490 ENERGY-ABSORPTION DEVICE, SUPPORT, CABLE BRAKE, SAFETY NET CONSTRUCTION AND METHODJan 22, 21Feb 09, 23Not available
2021/0348,345 EXPANDABLE MODULAR ENERGY-DISSIPATION PROTECTION NET UNIT GROUP AND PROTECTION NET SYSTEM FORMED BY THE SAMESep 02, 20Nov 11, 21Southwest Jiaotong University
2021/0310,205 Hybrid Snow and Ice Retention SystemFeb 03, 21Oct 07, 21Not available
2020/0370,252 System And Method For Mitigating RockfallsAug 10, 20Nov 26, 20Not available
2020/0283,972 PROTECTIVE STRUCTURENov 27, 17Sep 10, 20Not available
2020/0123,720 Landslide protection deviceDec 18, 19Apr 23, 20Not available
2020/0056,337 PROTECTIVE CONSTRUCTIONOct 10, 17Feb 20, 20Not available
2020/0018,022 UPRIGHTLY-ARRANGED SUPPORT STRUCTURE OF PROTECTIVE FENCEJan 24, 19Jan 16, 20PROTEC ENGINEERING, INC.
2020/0018,023 HIGH-STRENGTH WIRE MESH AND ROCK FALL PREVENTION NETSep 24, 19Jan 16, 20Tokyo Rope Manufacturing Co. Ltd.
2019/0292,737 HIGH-STRENGTH WIRE MESH AND ROCK FALL PREVENTION NETOct 16, 17Sep 26, 19TOKYO ROPE MANUFACTURING CO., LTD.

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Patents Issued To Date - By Filing Year

19931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024Filing Years0255075100% of Matters Issued

Average Time to Issuance