- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 117
10-year publication summary
|
9
|
11
|
15
|
11
|
6
|
8
|
8
|
7
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 2078 |
14 |
| LG Electronics Inc. | 70898 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8515 |
5 |
| PeopleFlo Manufacturing, Inc. | 18 |
3 |
| MPW Industrial Services Group, Inc | 5 |
3 |
| Halliburton Energy Services, Inc. | 20411 |
2 |
| Hitachi, Ltd. | 15203 |
2 |
| ABB Schweiz AG | 6616 |
2 |
| Ecotech, Inc. | 19 |
2 |
| Ilsung Co Ltd. | 11 |
2 |
| Saudi Arabian Oil Company | 12404 |
2 |
| Steeper Energy ApS | 81 |
2 |
| Torishima Pump Mfg. Co., Ltd. | 7 |
2 |
| Turbine Powered Technology, LLC | 10 |
2 |
| Grundfos Management a/s | 187 |
2 |
| Cameron Farms Hutterite Colony | 4 |
2 |
| Schlumberger Technology Corporation | 10228 |
1 |
| Schlumberger Canada Limited | 7143 |
1 |
| Schlumberger Technology B.v. | 5064 |
1 |
| Schlumberger Holdings Limited | 2869 |
1 |
| Other owners | 60 |