E04C 5/165
Coaxial connection by means of sleeves
Official title: {Coaxial connection by means of sleeves}
E04C5/165 (Coaxial connection by means of sleeves) appears on 207 US grants and 207 published applications in this corpus.
Search patents in E04C- Granted patents
- 207
- Published applications
- 207
- Assignees
- 112
- Inventors
- 337
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 1 |
| 2002 | 1 | 6 |
| 2003 | 6 | 6 |
| 2004 | 5 | 9 |
| 2005 | 6 | 12 |
| 2006 | 6 | 5 |
| 2007 | 0 | 5 |
| 2008 | 3 | 6 |
| 2009 | 2 | 5 |
| 2010 | 0 | 9 |
| 2011 | 3 | 4 |
| 2012 | 2 | 2 |
| 2013 | 4 | 2 |
| 2014 | 1 | 11 |
| 2015 | 5 | 12 |
| 2016 | 7 | 10 |
| 2017 | 4 | 7 |
| 2018 | 4 | 10 |
| 2019 | 12 | 14 |
| 2020 | 10 | 10 |
| 2021 | 4 | 8 |
| 2022 | 17 | 14 |
| 2023 | 10 | 13 |
| 2024 | 10 | 13 |
| 2025 | 9 | 10 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method of attaching precast panels25 Aug 2026US 12,716,231 B2Barsplic Products, Inc.
- Anchor for post tensioned concrete reinforcement7 Jul 2026US 12,674,321 B2Post Tension Services Gujarat LLP “Ptsi”
- Self-gripping, no-slip rebar coupler23 Jun 2026US 12,662,816 B2
- Inserting rod type quick connection device24 Mar 2026US 12,584,508 B2The Architectural Design & Research Institute of Zhejiang University Co., Ltd.
- Coupler for threaded reinforcing bar and threaded reinforcing bar including the coupler24 Feb 2026US 12,559,944 B2Godo Steel, Ltd.
- Self-gripping, no-slip rebar coupler with tool-free engagement and multimechanism gripping assembly17 Sep 2026US 2026/0275719 A1
- Apparatus for connecting reinforcement2 Jul 2026US 2026/0183910 A1
- Self-Gripping, No-Slip Rebar Coupler5 Feb 2026US 2026/0035919 A1
- Self-Gripping, No-Slip Rebar Coupler13 Nov 2025US 2025/0347115 A1
- Contactless coupler, precast structure and precast structure construction method using the same23 Oct 2025US 2025/0327302 A1Korea Institute of Civil Engineering and Building Technology
Most cited
By later US patents
- Method and apparatus for mechanically joining concrete-reinforcing rods52US 5,308,184 ATechniport S.A. · 1994
- Connecting structure for concrete block and connector used therefor52US 6,065,263 AKaieitechno Co., Ltd. · 2000
- Connector assembly for an upright shaft of a beach umbrella52US 6,073,642 A2000
- Intermediate anchorage system utilizing splice chuck49US 6,151,850 A2000
- Energy dissipating connector46US 5,606,839 A1997