- All sections
- E - Fixed constructions
- E04H - Buildings or like structures for particular purposesswimming or splash baths or poolsmastsfencingtents or canopies, in general
- E04H 12/18 - TowersMasts or polesChimney stacksWater-towersMethods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
Patent holdings for IPC class E04H 12/18
Total number of patents in this class: 431
10-year publication summary
65
|
52
|
49
|
44
|
37
|
35
|
34
|
35
|
27
|
13
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
The Will-Burt Company | 100 |
25 |
Tower Solutions, LLC | 22 |
10 |
US Tower Corporation | 18 |
9 |
Fireco S.r.l. a Socio Unico | 8 |
8 |
Wchambe Investments, L.L.C. | 13 |
8 |
Swivelpole Patent Pty Ltd | 13 |
7 |
Prodelta Investments B.V. | 11 |
6 |
Schlumberger Technology Corporation | 10641 |
5 |
Esteyco S.A.P. | 33 |
5 |
National Oilwell Varco, L.P. | 1648 |
5 |
Wilbur L. Anderson, Inc. d/b/a Western Towers | 6 |
4 |
Vestas Wind Systems A/S | 3648 |
4 |
Matt's Arm, LLC | 8 |
4 |
Great Plains Tower Products LLC | 8 |
4 |
Illinois Tool Works Inc. | 11409 |
3 |
University of Florida Research Foundation, Inc. | 3994 |
3 |
Ambor Structures, Inc. | 5 |
3 |
Clarkson University | 92 |
3 |
Comrod AS | 48 |
3 |
Deployable Space Systems, Inc. | 13 |
3 |
Other owners | 309 |