E01B 3/42
Combined with inserts of wood or other material
Official title: combined with inserts of wood or other material
E01B3/42 (Combined with inserts of wood or other material) appears on 10 US grants and 10 published applications in this corpus.
Search patents in E01B- Granted patents
- 10
- Published applications
- 10
- Assignees
- 12
- Inventors
- 33
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 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 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 3 | 2 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Assembled bamboo sleeper and preparation method thereof21 Jan 2025US 12,203,224 B2Hunan Taohuajiang Bamboo Science & Technology Co., Ltd.
- One-step integrally-formed bamboo sleeper and preparation method thereof26 Nov 2024US 12,152,350 B2Hunan Taohuajiang Bamboo Science & Technology Co., Ltd.
- Fiber-reinforced prestressed reinforced concrete sleeper5 Oct 2021US 11,136,724 B2Beijing Tieke Shougang Track Technology Co. , Ltd
- Method for manufacturing a railway track support, associated railway track support and railway installation10 Aug 2021US 11,085,153 B2Alstom Transport Technologies
- Concrete crosstie19 Jan 2021US 10,895,042 B2
- Assembled bamboo sleeper and preparation method thereof31 Mar 2022US 2022/0098799 A1Hunan Taohuajiang Bamboo Science & Technology Co., Ltd.
- One-step integrally-formed bamboo sleeper and preparation method thereof17 Mar 2022US 2022/0081848 A1Hunan Taohuajiang Bamboo Science & Technology Co., Ltd.
- Concrete crosstie6 May 2021US 2021/0131040 A1
- Fiber-reinforced prestressed reinforced concrete sleeper29 Apr 2021US 2021/0123191 A1Beijing Tieke Shougang Track Technology Co. , Ltd
- Admixture, Flowable Composition, Hardened Material, Structural Components, and Methods of Making the Same14 Nov 2019US 2019/0345065 A1SBC Group LLC
Most cited
By later US patents
- Concrete railroad ties20US 4,925,094 ACostain Concrete Company Limited · 1990
- Concrete sleeper with the fastening housing7US 4,349,150 AEverts & Van der Weyden Exploitatiemaatschappij · 1982
- Sleeper4US 6,070,806 A2000
- Concrete railroad tie turnout assembly3US 6,786,459 B2KSA Limited Partnership · 2004
- Rail seat crown and concrete rail tie having the same1US 10,011,954 B12018