E04H 12/34
Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the
Official title: Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
E04H12/34 (Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the) appears on 694 US grants and 813 published applications in this corpus.
Search patents in E04H- Granted patents
- 694
- Published applications
- 813
- Assignees
- 369
- Inventors
- 1,168
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 5 |
| 2003 | 2 | 3 |
| 2004 | 2 | 4 |
| 2005 | 4 | 3 |
| 2006 | 1 | 2 |
| 2007 | 4 | 3 |
| 2008 | 2 | 7 |
| 2009 | 3 | 21 |
| 2010 | 3 | 12 |
| 2011 | 6 | 23 |
| 2012 | 16 | 26 |
| 2013 | 19 | 33 |
| 2014 | 21 | 45 |
| 2015 | 44 | 84 |
| 2016 | 54 | 67 |
| 2017 | 55 | 76 |
| 2018 | 58 | 54 |
| 2019 | 54 | 56 |
| 2020 | 61 | 49 |
| 2021 | 48 | 50 |
| 2022 | 39 | 62 |
| 2023 | 42 | 32 |
| 2024 | 45 | 45 |
| 2025 | 28 | 28 |
| 2026 | 12 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04H 12/342Arrangements for stacking tower sections on top of each other192
- E04H 12/345Arrangements for tilting up whole structures or sections thereof150
- E04H 12/347Arrangements for setting poles in the ground73
- E04H 12/344Arrangements for lifting tower sections for placing additional sections under them66
- E04H 12/341Arrangements for casting in situ concrete towers or the like50
- E04H 12/348Arrangements for demolition towers or the like10
Recent patents
- Method for installing wind power generator and wind power generation system29 Sep 2026US 12,747,720 B2Toyota Jidosha Kabushiki Kaisha
- Pole structure, pole assembly system and method thereof22 Sep 2026US 12,741,184 B2Sky Products, L.L.C.
- Method for manufacturing and assembling a plurality of towers on a wind farm22 Sep 2026US 12,742,439 B2Esteyco S. A.
- Stud system for connecting flanges7 Jul 2026US 12,674,315 B2Siemens Gamesa Renewable Energy A/S
- Modular lattice tower23 Jun 2026US 12,662,838 B2Inventus Holdings, LLC
- System for assembling load-bearing frame of high-rise structure1 Oct 2026US 2026/0297973 A1
- Modular lattice tower24 Sep 2026US 2026/0286739 A1Inventus Holdings, LLC
- Multipart ground screw collar device, assembly, system, and method17 Sep 2026US 2026/0275672 A1Apa Solar, LLC
- Method for manufacturing a segmented tubular tower, segmented tubular tower and wind turbine17 Sep 2026US 2026/0275753 A1Siemens Gamesa Renewable Energy Innovation & Technology S.L.
- Concrete pole with energy dissipation mechanism and stabilizing system and its construction method17 Sep 2026US 2026/0275754 A1
Most cited
By later US patents
- Tower and method of construction87US 4,272,929 A1981
- Modular drill rig erection systems69US 4,135,340 AChloride Group Limited · 1979
- Tilt-up and telescopic support tower for large structures67US 6,782,667 B2Z Tek Inc. · 2004
- Pre-stressed concrete tower for wind power generators61US 7,739,843 B22010
- Method for making and erecting a wind tower56US 6,470,645 B1Beaird Industries, Inc. · 2002