E02D 5/52
Piles composed of separable parts
Official title: Piles composed of separable parts, e.g. telescopic tubes {; Piles composed of segments}
E02D5/52 (Piles composed of separable parts) appears on 220 US grants and 180 published applications in this corpus.
Search patents in E02D- Granted patents
- 220
- Published applications
- 180
- Assignees
- 114
- Inventors
- 338
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 12 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 10 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 5 | 3 |
| 2004 | 6 | 2 |
| 2005 | 2 | 5 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 2 | 5 |
| 2010 | 3 | 6 |
| 2011 | 1 | 4 |
| 2012 | 1 | 5 |
| 2013 | 2 | 4 |
| 2014 | 4 | 4 |
| 2015 | 8 | 14 |
| 2016 | 9 | 13 |
| 2017 | 14 | 7 |
| 2018 | 7 | 12 |
| 2019 | 9 | 8 |
| 2020 | 15 | 7 |
| 2021 | 8 | 16 |
| 2022 | 13 | 16 |
| 2023 | 11 | 14 |
| 2024 | 9 | 10 |
| 2025 | 15 | 10 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Segmented steel tape joint system for connecting tubular steel piles18 Aug 2026US 12,709,855 B1
- Post-tensioned helical anchors simultaneously spin-drilled and grouted and method therefor18 Aug 2026US 12,709,856 B2
- Multi-piece underground base for a static structure11 Aug 2026US 12,703,952 B2Fastepc, Inc.
- Universal three-way round pile square pile threaded bar coupler usable with a tieback anchor11 Aug 2026US 12,703,953 B2
- Foundation support system shafts, assemblies and methods with asymmetric torque transmitting distal end edge teeth23 Jun 2026US 12,662,790 B2Pier Tech Systems, LLC
- Foundation support pier with shaft distal end edges having different length forward and reverse torque transmitting portions1 Oct 2026US 2026/0297877 A1Pier Tech Systems, LLC
- Ground screw foundation1 Oct 2026US 2026/0297878 A1
- Reinforced concrete pile, pile assembly, method of joining the piles' heat transfer pipes to each other, and method of fabricating a reinforced concrete pile13 Aug 2026US 2026/0235327 A1
- Modular pile system6 Aug 2026US 2026/0226696 A1
- Thermosyphon structural piling28 May 2026US 2026/0146398 A1
Most cited
By later US patents
- Submarine drilling device81US 4,742,876 ASoletanche · 1988
- Pipe connectors60US 4,629,221 AHunting Oilfield Services (UK) Limited · 1986
- Pinned foundation system58US 5,039,256 A1991
- Coupling for connecting metal tubes end-to-end, particularly in marine pilings46US 4,668,119 AInnse Innocenti Santeustacchio S.p.A. · 1987
- Method and apparatus for retensioning prestressed concrete members45US 4,604,003 A1986