- All sections
- E - Fixed constructions
- E02B - Hydraulic engineering
- E02B 7/22 - Stop log damsEmergency gates
Patent holdings for IPC class E02B 7/22
Total number of patents in this class: 22
10-year publication summary
|
3
|
3
|
3
|
5
|
0
|
1
|
1
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LIXIL Suzuki Shutter Corporation | 4 |
3 |
| PS Industries Incorporated | 45 |
3 |
| Charah, LLC | 21 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8703 |
1 |
| The Furukawa Electric Co., Ltd. | 3645 |
1 |
| Hydroplus | 16 |
1 |
| Neptune Systems, LLC | 1 |
1 |
| ThyssenKrupp AG | 3280 |
1 |
| ThyssenKrupp Infrastructure GmbH | 3 |
1 |
| Baumann/holding/1886 GmbH | 5 |
1 |
| Parafoil Design & Engineering Pte Ltd | 6 |
1 |
| U.S. Army Corps of Engineers | 5 |
1 |
| Aqua Stop Hochwasserschutz GmbH | 1 |
1 |
| Fontaine-alliance Inc. | 1 |
1 |
| Yachiyo Engineering. Co., Ltd. | 1 |
1 |
| Art Metal Industries, LLC | 1 |
1 |
| China Power Construction Group Guiyang Survey, Design and Research Institute Co., Ltd | 2 |
1 |
| Other owners | 0 |