- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- 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: 351
10-year publication summary
| 29 | 36 | 49 | 50 | 33 | 19 | 16 | 30 | 28 | 16 | 
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 
Principal owners for this class
| Owner | All patents | This class | 
|---|---|---|
| Robert Bosch GmbH | 42887 | 20 | 
| Hamilton Sundstrand Corporation | 4934 | 15 | 
| Nuovo Pignone Tecnologie S.r.l. | 1010 | 14 | 
| LG Electronics Inc. | 73763 | 11 | 
| Thermodyn SAS | 32 | 11 | 
| Upwing Energy, Inc. | 51 | 10 | 
| Daikin Industries, Ltd. | 10118 | 7 | 
| Mitsubishi Heavy Industries Compressor Corporation | 633 | 7 | 
| Trane International Inc. | 1196 | 7 | 
| Carrier Corporation | 4296 | 6 | 
| JPMorgan Chase Bank, National Association | 8593 | 6 | 
| GREE Electric Appliances, Inc. of Zhuhai | 3256 | 6 | 
| Hanon Systems | 1996 | 6 | 
| OneSubsea IP UK Limited | 422 | 6 | 
| General Electric Company | 13863 | 5 | 
| BorgWarner Inc. | 2610 | 5 | 
| Edwards Limited | 788 | 5 | 
| Leybold GmbH | 294 | 5 | 
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 783 | 5 | 
| Delta Electronics, Inc. | 2657 | 4 | 
| Other owners | 190 | 
