- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 29/051 - Axial thrust balancing
Patent holdings for IPC class F04D 29/051
Total number of patents in this class: 321
10-year publication summary
|
26
|
31
|
38
|
50
|
52
|
33
|
16
|
17
|
28
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
19 |
| Hamilton Sundstrand Corporation | 4525 |
11 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
11 |
| LG Electronics Inc. | 69257 |
10 |
| Upwing Energy, Inc. | 49 |
10 |
| Thermodyn SAS | 30 |
8 |
| Mitsubishi Heavy Industries Compressor Corporation | 613 |
7 |
| Carrier Corporation | 4759 |
6 |
| JPMorgan Chase Bank, National Association | 10964 |
6 |
| BorgWarner Inc. | 2604 |
6 |
| Nidec Corporation | 2579 |
6 |
| Daikin Industries, Ltd. | 9495 |
5 |
| Edwards Limited | 764 |
5 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
5 |
| Hanon Systems | 1632 |
5 |
| OneSubsea IP UK Limited | 378 |
5 |
| Trane International Inc. | 1123 |
5 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 699 |
5 |
| General Electric Company | 18133 |
4 |
| Delta Electronics, Inc. | 2401 |
4 |
| Other owners | 178 |