- All sections
- E - Fixed constructions
- E03F - Sewerscesspools
- E03F 5/22 - Adaptations of pumping plants for lifting sewage
Patent holdings for IPC class E03F 5/22
Total number of patents in this class: 160
10-year publication summary
|
9
|
11
|
19
|
21
|
6
|
16
|
13
|
10
|
13
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KSB SE & Co. KGaA | 702 |
12 |
| Xylem Europe GmbH | 219 |
12 |
| KSB Aktiengesellschaft | 162 |
7 |
| Xylem IP Management S.A R.L. | 70 |
5 |
| Independence Materials Group, LLC | 84 |
5 |
| Grundfos Holding A/S | 567 |
5 |
| Ebara Corporation | 2219 |
4 |
| Pulsar Process Measurement Limited | 27 |
4 |
| South East Water Corporation | 54 |
4 |
| Wilo SE | 195 |
4 |
| Legend Energy Advisors, LLC | 14 |
3 |
| Pharmafilter B.V. | 8 |
3 |
| Saudi Arabian Oil Company | 13622 |
3 |
| Xylem IP Holdings LLC | 137 |
3 |
| Zoeller Pump Company, LLC | 75 |
3 |
| Shanghai ZTEC Environmental S&T CO., LTD. | 5 |
3 |
| Jiangsu FORYOU Environmental Technology Co., Ltd. | 5 |
3 |
| Stormharvester IPR Limited | 5 |
3 |
| KESSEL SE + Co. KG | 45 |
3 |
| AIRVAC Inc | 12 |
2 |
| Other owners | 69 |