- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 13/00 - Pumping installations or systems
Patent holdings for IPC class F04D 13/00
Total number of patents in this class: 116
10-year publication summary
|
8
|
11
|
14
|
9
|
3
|
8
|
8
|
5
|
7
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 2176 |
14 |
| LG Electronics Inc. | 73393 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8777 |
5 |
| MPW Industrial Services Group, Inc | 6 |
4 |
| PeopleFlo Manufacturing, Inc. | 18 |
3 |
| Halliburton Energy Services, Inc. | 20949 |
2 |
| Hitachi, Ltd. | 15531 |
2 |
| ABB Schweiz AG | 7009 |
2 |
| Ecotech, Inc. | 20 |
2 |
| Ilsung Co Ltd. | 11 |
2 |
| Saudi Arabian Oil Company | 13295 |
2 |
| Steeper Energy ApS | 82 |
2 |
| Torishima Pump Mfg. Co., Ltd. | 7 |
2 |
| Turbine Powered Technology, LLC | 10 |
2 |
| Eaton Intelligent Power Limited | 6009 |
2 |
| Grundfos Management a/s | 181 |
2 |
| Cameron Farms Hutterite Colony | 4 |
2 |
| Schlumberger Technology Corporation | 10820 |
1 |
| Schlumberger Canada Limited | 7350 |
1 |
| Schlumberger Technology B.v. | 5181 |
1 |
| Other owners | 57 |