- 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: 2556
10-year publication summary
|
219
|
214
|
223
|
217
|
241
|
241
|
222
|
184
|
191
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 577 |
126 |
| Halliburton Energy Services, Inc. | 21107 |
73 |
| Pierburg Pump Technology GmbH | 329 |
55 |
| KSB SE & Co. KGaA | 708 |
38 |
| Amotech Co., Ltd. | 535 |
30 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 312 |
29 |
| Tc1 LLC | 625 |
27 |
| Ebara Corporation | 2252 |
26 |
| Nidec Sankyo Corporation | 1074 |
25 |
| Grundfos Management a/s | 174 |
24 |
| Industrie Saleri Italo S.p.A. | 75 |
23 |
| Bühler Motor GmbH | 127 |
22 |
| Robert Bosch GmbH | 43268 |
21 |
| Nidec GPM GmbH | 141 |
21 |
| Schlumberger Technology Corporation | 11266 |
20 |
| Denso Corporation | 24991 |
20 |
| Mitsubishi Electric Corporation | 47338 |
20 |
| Coavis | 80 |
19 |
| Baker Hughes Oilfield Operations, LLC | 2402 |
19 |
| Johnson Electric International AG | 375 |
18 |
| Other owners | 1900 |