- 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: 51
10-year publication summary
|
5
|
5
|
12
|
5
|
4
|
7
|
6
|
4
|
7
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aiwell Holding AS | 7 |
4 |
| Wuhan Shengyu Drainage System Co., Ltd. | 19 |
4 |
| Kubota Corporation | 4391 |
2 |
| Spartan Tool, L.L.C. | 21 |
2 |
| Xylem Water Solutions Zelienople LLC | 82 |
2 |
| Uhrig Energie GmbH | 9 |
2 |
| BGA Technology LLC | 6 |
2 |
| Aquatech Innovation | 4 |
2 |
| BER Oy | 4 |
2 |
| Xylem Vue Inc. | 17 |
2 |
| Pipelogix LMS, Inc. | 4 |
2 |
| China General Nuclear Power Corporation | 285 |
1 |
| China Nuclear Power Engineering Co., Ltd. | 296 |
1 |
| Contech Engineered Solutions LLC | 282 |
1 |
| Ducane Research and Development Pty Ltd | 2 |
1 |
| Hadronex, Inc. | 30 |
1 |
| Jiangnan University | 1631 |
1 |
| Sekisui Chemical Co., Ltd. | 3614 |
1 |
| Shaw & Sons, Inc. | 37 |
1 |
| Wavin B.V. | 168 |
1 |
| Other owners | 16 |