E01B 3/34
With pre-tensioned armouring or reinforcement
Official title: with pre-tensioned armouring or reinforcement (pre-tensioned armouring or reinforcing elements E04C5/00)
E01B3/34 (With pre-tensioned armouring or reinforcement) appears on 18 US grants and 13 published applications in this corpus.
Search patents in E01B- Granted patents
- 18
- Published applications
- 13
- Assignees
- 18
- Inventors
- 39
- Latest grant
- 5 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 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 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Fiber-reinforced prestressed reinforced concrete sleeper5 Oct 2021US 11,136,724 B2Beijing Tieke Shougang Track Technology Co. , Ltd
- Concrete crosstie19 Jan 2021US 10,895,042 B2
- High strength, integrally pre-stressed monoblock concrete crosstie with optimal geometry for use in ballasted railways13 Feb 2018US 9,890,503 B2Gutanna Innovative Concrete and Technologies, LLC
- High strength, integrally pre-stressed monoblock concrete crosstie with optimal geometry for use in ballasted railways19 Jan 2016US 9,238,891 B1Sumacano Real Estate LLC
- Pre-assembled plate consisting of armoured concrete7 Jul 2009US 7,556,208 B1Max Bogl Bauunternehmung GmbH & Co. KG
- Process and system for laying tracks for underground, railway and tramway lines11 Jul 2024US 2024/0229364 A9Overail S.R.L.
- Process and system for laying tracks for underground, railway and tramway lines25 Apr 2024US 2024/0133125 A1Overail S.R.L.
- Concrete crosstie6 May 2021US 2021/0131040 A1
- Fiber-reinforced prestressed reinforced concrete sleeper29 Apr 2021US 2021/0123191 A1Beijing Tieke Shougang Track Technology Co. , Ltd
- Concrete crosstie10 Oct 2019US 2019/0309483 A1Gutanna Innovative Concrete and Technologies, LLC
Most cited
By later US patents
- Railway track hold-down hardware21US 4,179,067 A1979
- Mold assembly for pre-stressed concrete railroad ties18US 4,812,113 A1989
- Reinforcing device for an element of prestressed concrete9US 3,948,010 A1976
- Process and apparatus for manufacturing single piece railroad ties of prestressed concrete7US 4,273,740 AVianini, S.p.A. · 1981
- Pre-assembled plate consisting of armoured concrete7US 7,556,208 B1Max Bogl Bauunternehmung GmbH & Co. KG · 2009