- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 13/06 - Units comprising pumps and their driving means the pump being electrically driven
Patent holdings for IPC class F04D 13/06
Total number of patents in this class: 2458
10-year publication summary
|
206
|
229
|
221
|
233
|
227
|
248
|
247
|
228
|
183
|
118
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 556 |
122 |
| Halliburton Energy Services, Inc. | 20901 |
66 |
| Pierburg Pump Technology GmbH | 323 |
52 |
| KSB SE & Co. KGaA | 701 |
37 |
| Amotech Co., Ltd. | 523 |
27 |
| Grundfos Management a/s | 181 |
27 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 297 |
26 |
| Tc1 LLC | 633 |
26 |
| Nidec Sankyo Corporation | 1080 |
25 |
| Ebara Corporation | 2172 |
23 |
| Industrie Saleri Italo S.p.A. | 75 |
23 |
| Robert Bosch GmbH | 42684 |
21 |
| Bühler Motor GmbH | 123 |
21 |
| Schlumberger Technology Corporation | 10727 |
20 |
| Denso Corporation | 24316 |
20 |
| Mitsubishi Electric Corporation | 46127 |
20 |
| Nidec GPM GmbH | 140 |
20 |
| Baker Hughes Oilfield Operations, LLC | 2305 |
19 |
| LG Electronics Inc. | 73111 |
17 |
| Hyundai Motor Company | 22022 |
16 |
| Other owners | 1830 |