E21D 11/086
Methods of making concrete lining segments
Official title: {Methods of making concrete lining segments}
E21D11/086 (Methods of making concrete lining segments) appears on 9 US grants and 15 published applications in this corpus.
Search patents in E21D- Granted patents
- 9
- Published applications
- 15
- Assignees
- 12
- Inventors
- 22
- Latest grant
- 17 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Centrifugal intelligent construction device for excavation concrete structure, and application thereof17 Sep 2024US 12,091,974 B2Zhejiang University
- Roadway conduit systems and methods26 Sep 2023US 11,767,757 B2Electricwaze LLC
- Couplings for coupling pre-cast construction segments together and pre-cast construction segments having such couplings20 Sep 2022US 11,447,947 B2Optimas Oe Solutions LLC
- Conduit segment casting mold and method of forming a conduit segment9 Feb 2021US 10,913,178 B2Electricwaze LLC
- Concrete9 Jun 2020US 10,677,056 B2C-Probe Systems Limited
- Roadway conduit systems and methods31 Oct 2024US 2024/0360759 A1Electricwaze LLC
- Roadway conduit systems and methods16 May 2024US 2024/0159149 A1Electricwaze LLC
- A centrifugal intelligent construction device for excavation concrete structure, and application thereof14 Mar 2024US 2024/0084701 A1Zhejiang University
- Production plant and method for producing concrete tubbing in a tunnel lining system11 Aug 2022US 2022/0250277 A1Herrenknecht AG
- Formwork for producing concrete tubbing in a tunnel lining system2 Jun 2022US 2022/0168921 A1Herrenknecht AG
Most cited
By later US patents