E02D 5/58
Prestressed concrete piles
Official title: Prestressed concrete piles {(segmental piles E02D5/523)}
E02D5/58 (Prestressed concrete piles) appears on 24 US grants and 18 published applications in this corpus.
Search patents in E02D- Granted patents
- 24
- Published applications
- 18
- Assignees
- 23
- Inventors
- 105
- Latest grant
- 30 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 3 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Post-tension tube foundation and method of assembling same30 Jul 2024US 12,049,738 B2RRC Power & Energy, LLC
- Anchor assembly having pre-stressed mandrel21 Nov 2023US 11,821,208 B2Zhejiang Province Institute of Architectural Design and Research
- Post-tension tube foundation and method of assembling same10 Aug 2021US 11,085,165 B2RRC Power & Energy, LLC
- Hydraulic jack expansion-type rotary penetration device for circular pipe26 Jan 2021US 10,900,190 B1
- Continuously prestressed concrete pile splice16 Jun 2015US 9,057,170 B2Nu Tech Ventures, Inc.
- Construction process for partially bonded prestressed uplift-resistant glass fiber anchor piles avoiding stress concentration17 Sep 2026US 2026/0275671 A1Beijing Building Materials and Geological Engineering Co.
- Octagonal Ultra-High Performance Concrete Prestressed Pile System for Deep Foundation Applications8 Jan 2026US 2026/0009198 A1
- Bioinspired skirted footing and its method of installation5 Jun 2025US 2025/0179754 A1Indian Institute of Technology Roorkee
- Anchor assembly having pre-stressed mandrel29 Dec 2022US 2022/0412089 A1Zhejiang Province Institute of Architectural Design and Research
- Post-Tension Tube Foundation and Method of Assembling Same21 Oct 2021US 2021/0324598 A1RRC Power & Energy, LLC
Most cited
By later US patents
- Method, member, and tendon for constructing an anchoring device115US 6,216,403 B1VSL International AG · 2001
- Method and apparatus for retensioning prestressed concrete members45US 4,604,003 A1986
- Concrete piles, poles or the like27US 3,963,056 ANippon Concrete Kogyo Kabushiki Kaisha · 1976
- Structure and method of constructing and test-loading pile anchored foundations25US 4,043,133 A1977
- Bundled tensioning member for prestressing a tall structural member and method of installing same21US 5,056,284 ADyckerhoff & Widmann Aktiengesellschaft · 1991