- All sections
- E - Fixed constructions
- E02B - Hydraulic engineering
- E02B 7/54 - Sealings for gates
Patent holdings for IPC class E02B 7/54
Total number of patents in this class: 29
10-year publication summary
|
7
|
7
|
6
|
2
|
2
|
1
|
3
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Zosen Corporation | 602 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
2 |
| Floodbreak, L.L.C. | 35 |
2 |
| J.F. Brennan Company, Inc. | 24 |
2 |
| Rubicon Research Pty Ltd. | 70 |
2 |
| Bluewater Design Associates Limited | 2 |
1 |
| Shandong Jiaotong University | 53 |
1 |
| Hiroko Terata | 2 |
1 |
| Eickholt Beheer B.V. | 2 |
1 |
| PS Industries Incorporated | 53 |
1 |
| Jae Ho Hwang | 1 |
1 |
| China Three Gorges Corporation | 224 |
1 |
| Iv-consult B.V. | 5 |
1 |
| Iv-infra B.V. | 1 |
1 |
| Wuhan Shengyu Drainage System Co., Ltd. | 19 |
1 |
| Yangzhou Chumen Electrical and Mechanical Equipment Co., Ltd. | 1 |
1 |
| Art Metal Industries, LLC | 1 |
1 |
| Suzhou Bijia Internet Technology Co., Ltd. | 12 |
1 |
| Hiroshi Tereta | 1 |
1 |
| M3 Floodtec Holdings Limited | 4 |
1 |
| Other owners | 3 |