- 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: 2682
10-year publication summary
|
230
|
221
|
234
|
228
|
249
|
252
|
236
|
194
|
204
|
146
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 612 |
127 |
| Halliburton Energy Services, Inc. | 21296 |
79 |
| Pierburg Pump Technology GmbH | 334 |
55 |
| KSB SE & Co. KGaA | 740 |
38 |
| Amotech Co., Ltd. | 559 |
32 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 336 |
29 |
| Ebara Corporation | 2345 |
28 |
| Tc1 LLC | 629 |
27 |
| Nidec Sankyo Corporation | 1050 |
25 |
| Industrie Saleri Italo S.p.A. | 77 |
24 |
| Bühler Motor GmbH | 126 |
23 |
| Grundfos Management a/s | 167 |
23 |
| Coavis | 88 |
22 |
| Nidec GPM GmbH | 144 |
22 |
| Schlumberger Technology Corporation | 11893 |
21 |
| Robert Bosch GmbH | 44252 |
21 |
| LG Electronics Inc. | 75910 |
20 |
| Denso Corporation | 25676 |
20 |
| Mitsubishi Electric Corporation | 48236 |
20 |
| Baker Hughes Oilfield Operations, LLC | 2551 |
20 |
| Other owners | 2006 |