- All sections
- E - Fixed constructions
- E04H - Buildings or like structures for particular purposesswimming or splash baths or poolsmastsfencingtents or canopies, in general
- E04H 7/02 - Containers for fluids or gasesSupports therefor
Patent holdings for IPC class E04H 7/02
Total number of patents in this class: 90
10-year publication summary
|
8
|
5
|
5
|
5
|
4
|
5
|
7
|
6
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Heavy Ind. Co., Ltd. | 241 |
5 |
| Allied Steel | 5 |
4 |
| Asset Guard Products Inc. | 39 |
4 |
| China Shenhua Energy Company Limited | 24 |
2 |
| Gaztransport et Technigaz | 606 |
2 |
| Hyundai Heavy Industries Co., Ltd. | 274 |
2 |
| Joint-Stock Company "transneft Siberia" | 19 |
2 |
| JWF Industries, Inc | 15 |
2 |
| Kajima Corporation | 88 |
2 |
| Limited Liability Company "transneft Research and Development Institute for Oil and Oil Products Transportation" | 17 |
2 |
| Mesa Industries, Inc. | 17 |
2 |
| Outotec (Finland) Oy | 459 |
2 |
| Public Joint Stock Company "transneft" | 21 |
2 |
| Sukup Manufacturing Company | 131 |
2 |
| Tetra Technologies, Inc. | 104 |
2 |
| Bennamann Services Ltd | 39 |
2 |
| Korea Institute of Geoscience and Mineral Resources(kigam) | 53 |
2 |
| Shandong Chambroad Equipment Manufacture Installation Co., Ltd. | 12 |
2 |
| Fiducie des Braves 2021 | 9 |
2 |
| H2hive AB | 2 |
2 |
| Other owners | 43 |