- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 1844
10-year publication summary
|
171
|
185
|
188
|
180
|
175
|
173
|
130
|
131
|
118
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 525 |
118 |
| KSB SE & Co. KGaA | 667 |
40 |
| Ebara Corporation | 2072 |
29 |
| Fluid Handling LLC | 242 |
27 |
| Schlumberger Technology Corporation | 10217 |
26 |
| Halliburton Energy Services, Inc. | 20403 |
25 |
| Pierburg Pump Technology GmbH | 312 |
23 |
| Grundfos Management a/s | 187 |
21 |
| Schlumberger Canada Limited | 7137 |
20 |
| Xylem Europe GmbH | 214 |
20 |
| KSB Aktiengesellschaft | 165 |
19 |
| Wilo SE | 192 |
19 |
| Magenta Medical Ltd. | 144 |
18 |
| Pentair Water Pool and Spa, Inc. | 451 |
18 |
| Services Petroliers Schlumberger | 5616 |
18 |
| LG Electronics Inc. | 70831 |
17 |
| Sensia LLC | 140 |
17 |
| Regal Beloit America, Inc. | 917 |
16 |
| ECP Entwicklungsgesellschaft mbH | 229 |
15 |
| Industrie Saleri Italo S.p.A. | 69 |
15 |
| Other owners | 1323 |