- 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: 163
10-year publication summary
|
13
|
20
|
24
|
7
|
17
|
16
|
11
|
16
|
10
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KSB SE & Co. KGaA | 719 |
12 |
| Xylem Europe GmbH | 220 |
12 |
| KSB Aktiengesellschaft | 156 |
6 |
| Xylem IP Management S.A R.L. | 69 |
5 |
| Independence Materials Group, LLC | 88 |
5 |
| Grundfos Holding A/S | 595 |
5 |
| Ebara Corporation | 2270 |
4 |
| Pulsar Process Measurement Limited | 27 |
4 |
| South East Water Corporation | 49 |
4 |
| Wilo SE | 195 |
4 |
| Stormharvester IPR Limited | 6 |
4 |
| Legend Energy Advisors, LLC | 14 |
3 |
| Saudi Arabian Oil Company | 13953 |
3 |
| Xylem IP Holdings LLC | 132 |
3 |
| Zoeller Pump Company, LLC | 77 |
3 |
| Shanghai ZTEC Environmental S&T CO., LTD. | 5 |
3 |
| Fujian Qiaolong Emergency Equipment Co., Ltd. | 19 |
3 |
| Jiangsu FORYOU Environmental Technology Co., Ltd. | 5 |
3 |
| KESSEL SE + Co. KG | 46 |
3 |
| AIRVAC Inc | 13 |
2 |
| Other owners | 72 |