- 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: 2602
10-year publication summary
|
229
|
221
|
234
|
228
|
249
|
252
|
233
|
193
|
195
|
71
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 595 |
126 |
| Halliburton Energy Services, Inc. | 21217 |
75 |
| Pierburg Pump Technology GmbH | 330 |
55 |
| KSB SE & Co. KGaA | 719 |
38 |
| Amotech Co., Ltd. | 540 |
30 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 321 |
29 |
| Tc1 LLC | 626 |
27 |
| Ebara Corporation | 2270 |
26 |
| Nidec Sankyo Corporation | 1061 |
25 |
| Grundfos Management a/s | 173 |
24 |
| Bühler Motor GmbH | 126 |
23 |
| Industrie Saleri Italo S.p.A. | 75 |
23 |
| Nidec GPM GmbH | 143 |
22 |
| Schlumberger Technology Corporation | 11485 |
21 |
| Robert Bosch GmbH | 43631 |
21 |
| Coavis | 85 |
21 |
| Denso Corporation | 25232 |
20 |
| Mitsubishi Electric Corporation | 47625 |
20 |
| Johnson Electric International AG | 380 |
19 |
| Baker Hughes Oilfield Operations, LLC | 2441 |
19 |
| Other owners | 1938 |