- All sections
- E - Fixed constructions
- E03F - Sewerscesspools
- E03F 3/02 - Arrangement of sewer pipe-lines or pipe-line systems
Patent holdings for IPC class E03F 3/02
Total number of patents in this class: 50
10-year publication summary
|
3
|
4
|
5
|
11
|
5
|
4
|
6
|
5
|
4
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wuhan Shengyu Drainage System Co., Ltd. | 19 |
4 |
| Aiwell Holding AS | 6 |
3 |
| Sekisui Chemical Co., Ltd. | 3433 |
2 |
| Spartan Tool, L.L.C. | 22 |
2 |
| Xylem Water Solutions Zelienople LLC | 79 |
2 |
| BGA Technology LLC | 5 |
2 |
| Aquatech Innovation | 5 |
2 |
| BER Oy | 4 |
2 |
| Xylem Vue Inc. | 16 |
2 |
| Pipelogix LMS, Inc. | 3 |
2 |
| China General Nuclear Power Corporation | 284 |
1 |
| China Nuclear Power Engineering Co., Ltd. | 253 |
1 |
| Clearford Industries Inc. | 5 |
1 |
| Contech Engineered Solutions LLC | 278 |
1 |
| Ducane Research and Development Pty Ltd | 2 |
1 |
| Hadronex, Inc. | 30 |
1 |
| Jiangnan University | 1531 |
1 |
| Kubota Corporation | 3919 |
1 |
| Ovivo Inc. | 160 |
1 |
| Shaw & Sons, Inc. | 39 |
1 |
| Other owners | 17 |