- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 25/04 - Units comprising pumps and their driving means the pump being fluid-driven
Patent holdings for IPC class F04D 25/04
Total number of patents in this class: 320
10-year publication summary
|
61
|
74
|
56
|
36
|
27
|
20
|
21
|
15
|
10
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9410 |
36 |
| Hamilton Sundstrand Corporation | 4891 |
19 |
| JPMorgan Chase Bank, National Association | 8565 |
18 |
| BorgWarner Inc. | 2599 |
17 |
| Nuovo Pignone Tecnologie S.r.l. | 981 |
11 |
| Robert Bosch GmbH | 42705 |
10 |
| Siemens AG | 24453 |
7 |
| Pratt & Whitney Canada Corp. | 4793 |
6 |
| Concepts Nrec, LLC | 57 |
6 |
| General Electric Company | 13810 |
5 |
| Mitsubishi Heavy Industries Compressor Corporation | 631 |
5 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 774 |
5 |
| Carnot Compression Inc. | 14 |
5 |
| Caterpillar Inc. | 9579 |
4 |
| Continental Automotive GmbH | 4775 |
4 |
| Komatsu Ltd. | 4557 |
4 |
| IHI Charging Systems International GmbH | 117 |
4 |
| IHI Corporation | 3450 |
4 |
| Rolls-Royce Corporation | 1739 |
4 |
| Safran Aircraft Engines | 6294 |
4 |
| Other owners | 142 |