- All sections
- E - Fixed constructions
- E04H - Buildings or like structures for particular purposesswimming or splash baths or poolsmastsfencingtents or canopies, in general
- E04H 7/26 - Constructions, with or without perforated walls, depending on the use of specified materials mainly of concrete, e.g. reinforced concrete, or other stone-like material
Patent holdings for IPC class E04H 7/26
Total number of patents in this class: 17
10-year publication summary
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0
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0
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0
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0
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1
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0
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| China Shenhua Energy Company Limited | 24 |
2 |
| CCCC First Harbor Engineering Co., Ltd. | 53 |
2 |
| Shenhua Huanghua Port Affairs Corporation Limited | 3 |
2 |
| Shenhua Tianjin Coal Wharf Limited | 3 |
2 |
| Mt-energie GmbH | 7 |
1 |
| Thermaco, Inc. | 58 |
1 |
| Wolf Modul GmbH | 6 |
1 |
| N.V Vanbockrijck | 2 |
1 |
| Okara Pty Ltd | 2 |
1 |
| Water Transport Planning and Design Co,. Ltd. | 1 |
1 |
| Xinfeng County Baogangxinli Rare Earth Company Limited | 14 |
1 |
| Dutchland, LLC | 11 |
1 |
| Alliance for Energy Innovation, LLC | 558 |
1 |
| Other owners | 0 |