E04C 5/12
Anchoring devices
Official title: Anchoring devices (tools or methods for tensioning {in situ} E04G21/12)
E04C5/12 (Anchoring devices) appears on 530 US grants and 390 published applications in this corpus.
Search patents in E04C- Granted patents
- 530
- Published applications
- 390
- Assignees
- 249
- Inventors
- 714
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 13 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 4 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 3 |
| 2002 | 8 | 10 |
| 2003 | 10 | 3 |
| 2004 | 8 | 14 |
| 2005 | 6 | 18 |
| 2006 | 5 | 12 |
| 2007 | 10 | 5 |
| 2008 | 4 | 4 |
| 2009 | 2 | 8 |
| 2010 | 18 | 4 |
| 2011 | 12 | 10 |
| 2012 | 10 | 10 |
| 2013 | 6 | 14 |
| 2014 | 15 | 17 |
| 2015 | 23 | 23 |
| 2016 | 17 | 29 |
| 2017 | 17 | 35 |
| 2018 | 26 | 30 |
| 2019 | 25 | 25 |
| 2020 | 27 | 21 |
| 2021 | 25 | 30 |
| 2022 | 18 | 24 |
| 2023 | 20 | 13 |
| 2024 | 21 | 9 |
| 2025 | 10 | 9 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Post-tensioned concrete with fibers for slabs on supports11 Aug 2026US 12,703,976 B2Ccl Stressing International Ltd
- Anchor for post tensioned concrete reinforcement7 Jul 2026US 12,674,321 B2Post Tension Services Gujarat LLP “Ptsi”
- Support structure and method of forming a support structure19 May 2026US 12,631,013 B2HC Properties Inc.
- Anchorage and prestressed concrete (PC) structure19 May 2026US 12,631,027 B2Sumitomo Electric Industries, Ltd.
- Anchorage and prestressed concrete (PC) structure3 Mar 2026US 12,565,774 B2Sumitomo Electric Industries, Ltd.
- Reconfigurable precast concrete construction system1 Oct 2026US 2026/0297942 A1Massachusetts Institute of Technology
- Construction anchor apparatus, system and methodology2 Jul 2026US 2026/0185653 A1Anchor Ring Solutions, LLC
- Anchorage arrangement25 Jun 2026US 2026/0176833 A1DYWIDAG-Systems International GmbH
- Encapsulation system for post tension anchors and tendons18 Jun 2026US 2026/0168246 A1JDH Pacific
- Anchor for use in concrete structure30 Apr 2026US 2026/0117523 A1
Most cited
By later US patents
- Interactive medication container158US 7,978,564 B22011
- Method, member, and tendon for constructing an anchoring device115US 6,216,403 B1VSL International AG · 2001
- Conical wedges for gripping multi-ply rope or cable112US 3,952,377 A1976
- Hold down device and method92US 6,195,949 B12001
- Post-tension anchor system72US 5,072,558 AVaritech Industries, Inc. · 1991