- All sections
- E - Fixed constructions
- E03F - Sewerscesspools
- E03F 7/02 - Shut-off devices
Patent holdings for IPC class E03F 7/02
Total number of patents in this class: 32
10-year publication summary
|
5
|
2
|
6
|
1
|
2
|
4
|
5
|
4
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kansei Company | 6 |
6 |
| Nippon Koei Co., Ltd. | 17 |
6 |
| Tokyo Metropolitan Sewerage Service Corporation | 19 |
6 |
| SDB IP Holdings, LLC | 126 |
2 |
| GHW Solutions, LLC | 8 |
2 |
| Sewer Sentry LLC | 13 |
2 |
| Park Teq, LLC | 1 |
1 |
| Yorkshire Water Services Limited | 2 |
1 |
| Jet Line Infrastructure Ltd. | 2 |
1 |
| Warren Environmental & Coating, LLC | 58 |
1 |
| Pipe Lining Enterprises, Inc. | 5 |
1 |
| Waterup Pty Ltd | 1 |
1 |
| Wuhan Shengyu Drainage System Co., Ltd. | 19 |
1 |
| Utility Isolation Systems LLC | 1 |
1 |
| Other owners | 0 |