- All sections
- E - Fixed constructions
- E03F - Sewers; cesspools
- 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: 150
10-year publication summary
|
17
|
11
|
13
|
20
|
24
|
7
|
17
|
15
|
9
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KSB SE & Co. KGaA | 628 |
12 |
| Xylem Europe GmbH | 204 |
11 |
| KSB Aktiengesellschaft | 171 |
7 |
| Xylem IP Holdings LLC | 150 |
6 |
| Xylem IP Management S.A R.L. | 70 |
5 |
| Grundfos Holding A/S | 506 |
5 |
| Pulsar Process Measurement Limited | 26 |
4 |
| South East Water Corporation | 50 |
4 |
| Wilo SE | 190 |
4 |
| Independence Materials Group, LLC | 49 |
4 |
| ITT Manufacturing Enterprises, Inc. | 230 |
3 |
| Legend Energy Advisors, LLC | 17 |
3 |
| Pharmafilter B.V. | 13 |
3 |
| Zoeller Pump Company, LLC | 77 |
3 |
| Shanghai ZTEC Environmental S&T CO., LTD. | 6 |
3 |
| Jiangsu FORYOU Environmental Technology Co., Ltd. | 5 |
3 |
| Ebara Corporation | 1951 |
2 |
| A.k. Industries, Inc. | 12 |
2 |
| Aqseptence Group, Inc. | 103 |
2 |
| Environment One Corporation | 32 |
2 |
| Other owners | 62 |