- 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: 2432
10-year publication summary
|
206
|
229
|
221
|
234
|
227
|
249
|
247
|
229
|
183
|
99
|
| 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. | 20835 |
66 |
| Pierburg Pump Technology GmbH | 323 |
52 |
| KSB SE & Co. KGaA | 696 |
36 |
| Amotech Co., Ltd. | 521 |
27 |
| Grundfos Management a/s | 182 |
27 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 297 |
26 |
| Tc1 LLC | 633 |
26 |
| Nidec Sankyo Corporation | 1083 |
25 |
| Ebara Corporation | 2163 |
23 |
| Industrie Saleri Italo S.p.A. | 75 |
23 |
| Robert Bosch GmbH | 42614 |
21 |
| Schlumberger Technology Corporation | 10662 |
20 |
| Denso Corporation | 24223 |
20 |
| Mitsubishi Electric Corporation | 45946 |
20 |
| Nidec GPM GmbH | 140 |
20 |
| Baker Hughes Oilfield Operations, LLC | 2288 |
19 |
| Bühler Motor GmbH | 120 |
18 |
| LG Electronics Inc. | 72737 |
17 |
| Hyundai Motor Company | 21852 |
16 |
| Other owners | 1808 |