E21D 21/006
Anchoring-bolts made of cables or wires
Official title: {Anchoring-bolts made of cables or wires}
E21D21/006 (Anchoring-bolts made of cables or wires) appears on 122 US grants and 81 published applications in this corpus.
Search patents in E21D- Granted patents
- 122
- Published applications
- 81
- Assignees
- 67
- Inventors
- 206
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 1 |
| 2003 | 5 | 3 |
| 2004 | 2 | 2 |
| 2005 | 3 | 1 |
| 2006 | 1 | 4 |
| 2007 | 0 | 2 |
| 2008 | 2 | 2 |
| 2009 | 2 | 5 |
| 2010 | 2 | 4 |
| 2011 | 4 | 10 |
| 2012 | 4 | 6 |
| 2013 | 3 | 1 |
| 2014 | 3 | 4 |
| 2015 | 3 | 4 |
| 2016 | 3 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 6 |
| 2019 | 6 | 3 |
| 2020 | 2 | 3 |
| 2021 | 2 | 4 |
| 2022 | 3 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 4 |
| 2025 | 1 | 3 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Deformable anchor cable28 Jul 2026US 12,692,791 B2Fuzhou University
- Tunnel constraint anchor cable and method for improving stability of initial support structure14 Jul 2026US 12,680,451 B2Chang An University
- Rock bolt28 Apr 2026US 12,612,861 B2Sandvik Mining and Construction Australia (Production/Supply) Pty Ltd
- Cable handling device for cable bolts27 May 2025US 12,312,957 B2Sandvik Mining and Construction Oy
- Dynamic rock bolt assembly8 Oct 2026US 2026/0309029 A1Geomechanical Services and Innovations Inc.
- Rock bolting rig and method for rock reinforcing14 May 2026US 2026/0132718 A1Sandvik Mining and Construction Oy
- Rock bolt installation2 Oct 2025US 2025/0305416 A1Sandvik Mining and Construction Australia (Production/Supply) Pty Ltd
- A method of installing a cable bolt, a system and components of same4 Sep 2025US 2025/0277449 A1
- Rock bolt21 Aug 2025US 2025/0264022 A1Sandvik Mining and Construction Australia (Production/Supply) Pty Ltd
Most cited
By later US patents