- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 2241
10-year publication summary
|
179
|
206
|
229
|
221
|
234
|
227
|
245
|
234
|
219
|
53
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 506 |
118 |
| Halliburton Energy Services, Inc. | 20165 |
52 |
| Pierburg Pump Technology GmbH | 305 |
48 |
| Tc1 LLC | 591 |
31 |
| Grundfos Management a/s | 196 |
28 |
| Nidec Sankyo Corporation | 1117 |
25 |
| KSB SE & Co. KGaA | 628 |
25 |
| Nidec GPM GmbH | 152 |
21 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 230 |
21 |
| Robert Bosch GmbH | 40953 |
20 |
| Denso Corporation | 23338 |
20 |
| Mitsubishi Electric Corporation | 43934 |
20 |
| Ebara Corporation | 1951 |
20 |
| Amotech Co., Ltd. | 460 |
20 |
| Pentair Water Pool and Spa, Inc. | 457 |
19 |
| Regal Beloit America, Inc. | 939 |
19 |
| Schlumberger Technology Corporation | 9690 |
17 |
| Johnson Electric International AG | 390 |
17 |
| LG Electronics Inc. | 69257 |
16 |
| Sulzer Management AG | 613 |
16 |
| Other owners | 1668 |