E04H 12/12
Of concrete or other stone-like material, with or without internal or external
Official title: of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
E04H12/12 (Of concrete or other stone-like material, with or without internal or external) appears on 185 US grants and 235 published applications in this corpus.
Search patents in E04H- Granted patents
- 185
- Published applications
- 235
- Assignees
- 117
- Inventors
- 365
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 5 |
| 2004 | 1 | 2 |
| 2005 | 2 | 5 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 4 |
| 2009 | 0 | 11 |
| 2010 | 5 | 6 |
| 2011 | 2 | 9 |
| 2012 | 7 | 9 |
| 2013 | 7 | 15 |
| 2014 | 9 | 15 |
| 2015 | 11 | 14 |
| 2016 | 10 | 22 |
| 2017 | 15 | 16 |
| 2018 | 13 | 13 |
| 2019 | 13 | 11 |
| 2020 | 10 | 6 |
| 2021 | 6 | 15 |
| 2022 | 8 | 17 |
| 2023 | 7 | 10 |
| 2024 | 17 | 17 |
| 2025 | 12 | 5 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing and assembling a plurality of towers on a wind farm22 Sep 2026US 12,742,439 B2Esteyco S. A.
- 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.
- Tubular section for a wind turbine tower9 Jun 2026US 12,650,027 B2Shanghai Fengling Renewables Co., Ltd.
- Wind power generation tower and construction method of wind power generation tower17 Mar 2026US 12,577,800 B2Sumitomo Mitsui Construction Co., Ltd.
- Wind turbine tower structure with stacked tower sections20 Jan 2026US 12,529,239 B2GE Infrastructure Technology LLC
- Concrete pole with energy dissipation mechanism and stabilizing system and its construction method17 Sep 2026US 2026/0275754 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.
- Tower for a wind turbine, wind turbine and method for manufacturing a tower of a wind turbine19 Mar 2026US 2026/0078602 A1Siemens Gamesa Renewable Energy Innovation & Technology S.L.
Most cited
By later US patents
- Tower and method of construction87US 4,272,929 A1981
- 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
- Sign post construction35US 3,991,532 ADesert Outdoor Advertising, Inc. · 1976