- 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 7/02 - Containers for fluids or gases; Supports therefor
Patent holdings for IPC class E04H 7/02
Total number of patents in this class: 91
10-year publication summary
17
|
12
|
8
|
6
|
6
|
5
|
4
|
5
|
7
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Heavy Ind. Co., Ltd. | 240 |
5 |
Allied Steel | 5 |
4 |
Joint-Stock Company "transneft Siberia" | 35 |
4 |
Limited Liability Company "transneft Research and Development Institute for Oil and Oil Products Transportation" | 32 |
4 |
Public Joint Stock Company "transneft" | 38 |
4 |
Asset Guard Products Inc. | 38 |
4 |
China Shenhua Energy Company Limited | 24 |
2 |
Hyundai Heavy Industries Co., Ltd. | 281 |
2 |
JWF Industries, Inc | 15 |
2 |
Kajima Corporation | 87 |
2 |
Outotec (Finland) Oy | 491 |
2 |
Sukup Manufacturing Company | 118 |
2 |
Tetra Technologies, Inc. | 90 |
2 |
Korea Institute of Geoscience and Mineral Resources(kigam) | 51 |
2 |
Shandong Chambroad Equipment Manufacture Installation Co., Ltd. | 10 |
2 |
LG Chem, Ltd. | 17205 |
1 |
Chevron U.S.A. Inc. | 3774 |
1 |
Arranged BVBA | 8 |
1 |
Assmann Corporation of America | 6 |
1 |
BAE SYSTEMS plc | 2215 |
1 |
Other owners | 43 |