- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 15/00 - Control, e.g. regulation, of pumps, pumping installations, or systems
Patent holdings for IPC class F04D 15/00
Total number of patents in this class: 2004
10-year publication summary
|
186
|
188
|
180
|
175
|
173
|
133
|
138
|
125
|
118
|
85
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 612 |
148 |
| KSB SE & Co. KGaA | 740 |
51 |
| Ebara Corporation | 2345 |
34 |
| Schlumberger Technology Corporation | 11893 |
30 |
| Halliburton Energy Services, Inc. | 21296 |
28 |
| Fluid Handling LLC | 253 |
27 |
| Pierburg Pump Technology GmbH | 334 |
25 |
| Schlumberger Canada Limited | 7627 |
23 |
| Magenta Medical Ltd. | 199 |
23 |
| Wilo SE | 199 |
23 |
| Services Petroliers Schlumberger | 6038 |
21 |
| Grundfos Management a/s | 167 |
20 |
| ECP Entwicklungsgesellschaft mbH | 255 |
19 |
| Xylem Europe GmbH | 224 |
18 |
| Sensia LLC | 129 |
18 |
| Schlumberger Technology B.v. | 5302 |
17 |
| LG Electronics Inc. | 75910 |
17 |
| KSB Aktiengesellschaft | 153 |
17 |
| Saudi Arabian Oil Company | 14329 |
17 |
| Regal Beloit America, Inc. | 849 |
16 |
| Other owners | 1412 |