- 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: 1792
10-year publication summary
|
164
|
171
|
185
|
188
|
180
|
174
|
172
|
122
|
123
|
37
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 506 |
110 |
| KSB SE & Co. KGaA | 628 |
30 |
| Pentair Water Pool and Spa, Inc. | 457 |
29 |
| Ebara Corporation | 1951 |
28 |
| Fluid Handling LLC | 241 |
27 |
| Schlumberger Technology Corporation | 9690 |
25 |
| Halliburton Energy Services, Inc. | 20165 |
24 |
| Pierburg Pump Technology GmbH | 305 |
22 |
| Grundfos Management a/s | 196 |
22 |
| Schlumberger Canada Limited | 6913 |
20 |
| KSB Aktiengesellschaft | 171 |
19 |
| Services Petroliers Schlumberger | 5426 |
19 |
| Xylem Europe GmbH | 204 |
19 |
| Magenta Medical Ltd. | 114 |
18 |
| LG Electronics Inc. | 69257 |
17 |
| Wilo SE | 190 |
17 |
| Regal Beloit America, Inc. | 939 |
16 |
| Sensia LLC | 139 |
16 |
| Schlumberger Technology B.v. | 4951 |
15 |
| ECP Entwicklungsgesellschaft mbH | 215 |
15 |
| Other owners | 1284 |