- All sections
- E - Fixed constructions
- E04H - Buildings or like structures for particular purposes; swimming or splash baths or pools; masts; fencing; tents or canopies, in general
- E04H 7/18 - Containers for fluids or gases; Supports therefor mainly of concrete, e.g. reinforced concrete, or other stone-like material
Patent holdings for IPC class E04H 7/18
Total number of patents in this class: 75
10-year publication summary
|
7
|
8
|
8
|
8
|
1
|
6
|
6
|
8
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IHI Corporation | 3354 |
19 |
| Concept Environmental Services Pty Ltd | 4 |
3 |
| Drossler GmbH Umwelttechnik | 7 |
3 |
| Preload Cryogenics, LLC | 17 |
3 |
| IHI Plant Services Corporation | 18 |
3 |
| GE-Hitachi Nuclear Energy Americas LLC | 417 |
2 |
| Saudi Arabian Oil Company | 12390 |
2 |
| Publichnoe Aktsionernoe Obschestvo "Gazprom" | 25 |
2 |
| Aker Carbon Capture Norway AS | 45 |
2 |
| Halliburton Energy Services, Inc. | 20403 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8504 |
1 |
| Chevron U.S.A. Inc. | 3844 |
1 |
| Aker Engineering & Technology AS | 35 |
1 |
| Aramco Services Company | 3735 |
1 |
| Droessler GmbH Umwelttechnik | 1 |
1 |
| Gaztransport et Technigaz | 540 |
1 |
| Iglo Contractors AS | 1 |
1 |
| King Fahd University of Petroleum & Minerals | 159 |
1 |
| Mt-energie GmbH | 7 |
1 |
| Outotec Oyj | 302 |
1 |
| Other owners | 25 |