- All sections
- E - Fixed constructions
- E03B - Installations or methods for obtaining, collecting, or distributing water
- E03B 3/04 - Methods or installations for obtaining or collecting drinking water or tap water from surface water
Patent holdings for IPC class E03B 3/04
Total number of patents in this class: 48
10-year publication summary
|
4
|
7
|
4
|
7
|
6
|
6
|
4
|
5
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Zosen Corporation | 619 |
7 |
| Aqseptence Group, Inc. | 96 |
6 |
| Industry-academic Cooperation Foundation, Yeungnam University | 68 |
2 |
| Johnson Screens, Inc. | 34 |
2 |
| KOA Corporation | 402 |
2 |
| Murtech, Inc. | 27 |
2 |
| Nagaoka Corporation | 2 |
2 |
| Nautilus Ventures IPCO Inc. | 3 |
2 |
| Turret IP Pty Ltd | 9 |
2 |
| IDE Water Technologies Ltd. | 40 |
2 |
| Amogreentech Co., Ltd. | 590 |
1 |
| I.d.e. Technologies Ltd. | 42 |
1 |
| Korea Institute of Civil Engineering and Building Technology | 129 |
1 |
| Nagaoka International Corporation | 7 |
1 |
| North Shore Environmental Consultants Inc. | 3 |
1 |
| POSCO Engineering & Construction Co., Ltd. | 34 |
1 |
| Thirsty Duck, LP | 7 |
1 |
| Xenesys Inc. | 7 |
1 |
| Iorio, Paul Anthony | 2 |
1 |
| AIC Metallurgie S.A | 1 |
1 |
| Other owners | 9 |