- 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: 334
10-year publication summary
|
74
|
56
|
36
|
28
|
20
|
24
|
15
|
13
|
16
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10102 |
40 |
| Hamilton Sundstrand Corporation | 5015 |
19 |
| JPMorgan Chase Bank, National Association | 8956 |
18 |
| BorgWarner Inc. | 2583 |
17 |
| Nuovo Pignone Tecnologie S.r.l. | 1216 |
13 |
| Robert Bosch GmbH | 44160 |
9 |
| Siemens AG | 24029 |
7 |
| General Electric Company | 13899 |
6 |
| Pratt & Whitney Canada Corp. | 5479 |
6 |
| Concepts Nrec, LLC | 56 |
6 |
| Mitsubishi Heavy Industries Compressor Corporation | 640 |
5 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 825 |
5 |
| Carnot Compression Inc. | 12 |
5 |
| Caterpillar Inc. | 10267 |
4 |
| Komatsu Ltd. | 4723 |
4 |
| IHI Charging Systems International GmbH | 117 |
4 |
| IHI Corporation | 3535 |
4 |
| Rolls-Royce Corporation | 1677 |
4 |
| Safran Aircraft Engines | 6694 |
4 |
| Gscd Corp. | 6 |
4 |
| Other owners | 150 |