E04H 12/16
Prestressed structures
E04H12/16 (Prestressed structures) appears on 123 US grants and 154 published applications in this corpus.
Search patents in E04H- Granted patents
- 123
- Published applications
- 154
- Assignees
- 79
- Inventors
- 246
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 3 |
| 2006 | 1 | 4 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 4 | 4 |
| 2011 | 0 | 5 |
| 2012 | 4 | 5 |
| 2013 | 4 | 6 |
| 2014 | 4 | 14 |
| 2015 | 10 | 15 |
| 2016 | 9 | 13 |
| 2017 | 9 | 10 |
| 2018 | 14 | 16 |
| 2019 | 10 | 10 |
| 2020 | 9 | 5 |
| 2021 | 10 | 11 |
| 2022 | 4 | 11 |
| 2023 | 3 | 2 |
| 2024 | 8 | 4 |
| 2025 | 3 | 1 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Post-tensioning system for a tower of a wind turbine, post-tensioned tower of a wind turbine and method of post-tensioning a tower of a wind turbine1 Sep 2026US 12,723,426 B2Nordex Energy Spain, S.A.U.
- Relating to reinforcement of wind turbine towers1 Jul 2025US 12,345,061 B2Vestas Wind Systems A/S
- Method for manufacturing wind turbine tower structure with embedded reinforcement elements24 Jun 2025US 12,338,646 B2GE Vernova Infrastructure Technology LLC
- Wind turbine tower structure with transition system between sections thereof6 May 2025US 12,292,029 B2GE Vernova Infrastructure Technology LLC
- Method for manufacturing a telescoping wind turbine tower structure10 Dec 2024US 12,163,352 B2GE Infrastructure Technology LLC
- Concrete pole with energy dissipation mechanism and stabilizing system and its construction method17 Sep 2026US 2026/0275754 A1
- Foundation with pedestal and ribs for towers30 Jul 2026US 2026/0218474 A1
- Concrete segment of a section of a tower of a wind turbine and adapter of a tower of a wind turbine tower14 May 2026US 2026/0132771 A1Nordex Energy GmbH
- Concrete segment of a section of a wind turbine tower, mould configured to cast a concrete segment and method of assembling a wind turbine16 Apr 2026US 2026/0104032 A1Nordex Energy Spain, S.A.U.
- Concrete segment of a section of a wind turbine tower and a mould configured to cast a concrete segment9 Apr 2026US 2026/0098517 A1Nordex Energy Spain, S.A.U.
Most cited
By later US patents
- Reinforced pole79US 4,312,162 A1982
- Pre-stressed concrete tower for wind power generators61US 7,739,843 B22010
- Composite structural member and method of constructing same45US 4,166,347 A1979
- Wind turbine42US 7,160,085 B2Mecal Applied Mechanics B.V. · 2007
- Multiple-part pole32US 6,705,058 B1Newmark International, Inc. · 2004