- All sections
- E - Fixed constructions
- E02B - Hydraulic engineering
- E02B 7/42 - Gates of segmental or sector-like shape with horizontal axis
Patent holdings for IPC class E02B 7/42
Total number of patents in this class: 17
10-year publication summary
|
2
|
7
|
1
|
1
|
0
|
3
|
2
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rubicon Research Pty Ltd. | 70 |
4 |
| J.F. Brennan Company, Inc. | 21 |
2 |
| IRT & Associates, Inc. | 3 |
2 |
| Steen Olsen Invest ApS | 4 |
2 |
| Hitachi Zosen Corporation | 619 |
1 |
| Kansei Company | 6 |
1 |
| Nippon Koei Co., Ltd. | 17 |
1 |
| Tokyo Metropolitan Sewerage Service Corporation | 19 |
1 |
| FDH Infrastructure Services, LLC | 13 |
1 |
| Yangzhou Chumen Electrical and Mechanical Equipment Co., Ltd. | 1 |
1 |
| ZHU, Xiaotao | 13 |
1 |
| Other owners | 0 |