- 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: 1924
10-year publication summary
|
157
|
173
|
174
|
159
|
163
|
165
|
129
|
121
|
121
|
96
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 565 |
128 |
| KSB SE & Co. KGaA | 700 |
46 |
| Ebara Corporation | 2210 |
31 |
| Schlumberger Technology Corporation | 10957 |
29 |
| Halliburton Energy Services, Inc. | 21020 |
27 |
| Fluid Handling LLC | 246 |
27 |
| Pierburg Pump Technology GmbH | 326 |
24 |
| Schlumberger Canada Limited | 7403 |
23 |
| Magenta Medical Ltd. | 173 |
22 |
| Services Petroliers Schlumberger | 5852 |
21 |
| Grundfos Management a/s | 178 |
20 |
| KSB Aktiengesellschaft | 162 |
19 |
| Wilo SE | 194 |
19 |
| ECP Entwicklungsgesellschaft mbH | 233 |
18 |
| Sensia LLC | 142 |
18 |
| Schlumberger Technology B.v. | 5203 |
17 |
| LG Electronics Inc. | 73790 |
17 |
| Saudi Arabian Oil Company | 13512 |
17 |
| Xylem Europe GmbH | 217 |
17 |
| Regal Beloit America, Inc. | 868 |
16 |
| Other owners | 1368 |