E21D 11/107
Reinforcing elements therefor
Official title: {Reinforcing elements therefor; Holders for the reinforcing elements}
E21D11/107 (Reinforcing elements therefor) appears on 34 US grants and 32 published applications in this corpus.
Search patents in E21D- Granted patents
- 34
- Published applications
- 32
- Assignees
- 33
- Inventors
- 123
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 3 |
| 2021 | 3 | 5 |
| 2022 | 0 | 0 |
| 2023 | 3 | 2 |
| 2024 | 3 | 2 |
| 2025 | 1 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Structural system for building and civil engineering works and construction method15 Sep 2026US 12,735,889 B2
- Automated method and processing train for lining tunnels21 Apr 2026US 12,607,122 B2Hinfra S.R. L.
- Excavation compensation method for tunnelling in deep rock engineering13 Jan 2026US 12,523,150 B1China University of Mining and Technology, Beijing
- Composite supporting structure combining fabric-form bag-behind-wall grouting and high-strength support frames, and construction method thereof17 Jun 2025US 12,331,642 B1Shandong Jianzhu University
- Undercutting-covered excavation semi-reverse construction method of cross-transfer subway station10 Sep 2024US 12,084,971 B1Beijing Urban Construction Design & Development Group Co., Limited
- Pressure-controlled tunnel directional grouting-based reinforcement devices16 Apr 2026US 2026/0103981 A1China University of Mining and Technology
- Structural system for building and civil engineering works and construction method25 Dec 2025US 2025/0389116 A1
- Composite support structure combining bag-based backfill grouting and high-strength support frame, and construction method19 Jun 2025US 2025/0198286 A1Shandong Jianzhu University
- Waterproof membrane, preparation method and construction method thereof, and tunnel waterproof system11 Apr 2024US 2024/0117134 A1Beijing Oriental Yuhong Waterproof Technology Co. Ltd.
- Automated method and processing train for lining tunnels15 Feb 2024US 2024/0052743 A1Hinfra S.R. L.
Most cited
By later US patents
- Duct repairing material, repairing structure, and repairing method12US 6,796,334 B2Ashimori Engineering Co., Ltd. · 2004
- Stiffening element for a lattice girder8US 5,054,964 APantex-Stahl AG · 1991
- Prestressed concrete lining in a pressure tunnel8US 5,066,167 AVSL International AG · 1991
- Process and arrangement for the support of underground cavity systems by an efficient safety casing wall7US 4,505,622 AMagyar Szenbanyaszati Troszt · 1985
- Frame girder for underground drift and shaft construction6US 4,335,556 APantex-Stahl AG · 1982