E21D 11/12
Temporary supports for use during building
Official title: Temporary supports for use during building {(removable shutterings E21D11/102)}; Accessories {(provisional protective covers E21D19/04)}
E21D11/12 (Temporary supports for use during building) appears on 5 US grants and 5 published applications in this corpus.
Search patents in E21D- Granted patents
- 5
- Published applications
- 5
- Assignees
- 7
- Inventors
- 21
- Latest grant
- 29 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 3 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Composite support structure, construction system, and method29 Aug 2023US 11,739,639 B2Engineering Appraisal and Reinforcement Institute Co.,Ltd, Shandong Jianzhu University
- Intelligent and flexible steel arch protection device for rockfall and collapse of tunnels24 Dec 2019US 10,513,924 B2Shandong University
- Tunnel construction method using pre-support and post-support and apparatus suitable for same23 Jul 2019US 10,358,920 B2
- Anti-spalling blocking bar for large cross-section coal gallery excavation work surface and supporting method2 Apr 2019US 10,247,001 B2China University of Mining and Technology
- Continuous roof support system for tunnel boring2 Nov 1976US 3,989,302 ADresser Industries, Inc.
- Composite support structure, construction system, and method17 Nov 2022US 2022/0364469 A1Engineering Appraisal and Reinforcement Institute Co.,Ltd, Shandong Jianzhu University
- Intelligent steel arch flexible protection device for rockfall and landslide of tunnels28 Nov 2019US 2019/0360334 A1Shandong University
- Tunnel construction method using pre-support and post-support and apparatus suitable for same6 Sep 2018US 2018/0252104 A1Hyun Engineering and Construction Co., Ltd
- Anti-spalling blocking bar for large cross-section coal gallery excavation work surface and supporting method12 Jul 2018US 2018/0195389 A1China University of Mining and Technology
- Shoring box system and method4 Sep 2014US 2014/0248093 A1Quickway Constructions Pty Ltd.
Most cited
By later US patents