E21D 9/0873
The shield being provided with devices for lining the tunnel
Official title: {the shield being provided with devices for lining the tunnel, e.g. shuttering}
E21D9/0873 (The shield being provided with devices for lining the tunnel) appears on 17 US grants and 7 published applications in this corpus.
Search patents in E21D- Granted patents
- 17
- Published applications
- 7
- Assignees
- 13
- Inventors
- 36
- Latest grant
- 16 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 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 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Propulsion control device of tunnel boring machine for 3D printing a tunnel16 Jan 2024US 11,873,718 B1Zhejiang University City College
- Shield method14 Mar 2023US 11,603,760 B2Mutsubishi Rubber Co., Ltd.
- Device and method for continuously driving a tunnel31 Jan 2023US 11,566,522 B2Herrenknecht AG
- Cutting head tool for tunnel boring machine22 Sep 2015US 9,140,123 B2Caterpillar Inc.
- All-conditions tunnel boring machine16 Nov 2010US 7,832,960 B2The Robbins Company
- Shield method14 Jul 2022US 2022/0220850 A1Mutsubishi Rubber Co., Ltd.
- Device and method for continuously driving a tunnel4 Feb 2021US 2021/0032991 A1Herrenknecht AG
- Cutting Head Tool for Tunnel Boring Machine10 Oct 2013US 2013/0264860 A1Caterpillar Inc.
- All-conditions tunnel boring machine17 Jun 2010US 2010/0148566 A1The Robbins Company
- Tunnel excavating machine19 Dec 2002US 2002/0189138 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Method and apparatus for continuously boring and lining tunnels and other like structures26US 4,793,736 A1988
- Continuous tunnel boring machine and method20US 3,967,463 AThe Robbins Company · 1976
- Semi-shield method and apparatus for the same15US 5,846,027 AToyo Technos Co., Ltd. · 1998
- Method and apparatus for continuously boring and lining tunnels and other like structures9US 4,915,541 A1990
- All-conditions tunnel boring machine7US 7,832,960 B2The Robbins Company · 2010