- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 25/32 - Collecting of condensation waterDrainage
Patent holdings for IPC class F01D 25/32
Total number of patents in this class: 367
10-year publication summary
|
36
|
27
|
36
|
32
|
17
|
27
|
28
|
23
|
31
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10222 |
33 |
| General Electric Company | 14010 |
32 |
| Mitsubishi Heavy Industries, Ltd. | 9252 |
28 |
| Mitsubishi Power, Ltd. | 1838 |
26 |
| Pratt & Whitney Canada Corp. | 5594 |
21 |
| Safran Aircraft Engines | 6801 |
21 |
| Safran Helicopter Engines | 857 |
16 |
| Siemens AG | 23934 |
13 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
13 |
| GE Infrastructure Technology, LLC | 6151 |
11 |
| Honeywell International Inc. | 12767 |
7 |
| MTU Aero Engines AG | 742 |
7 |
| Siemens Energy Global GmbH & Co. KG | 3517 |
7 |
| Toshiba Corporation | 12727 |
6 |
| Rolls-Royce PLC | 3234 |
6 |
| IHI Corporation | 3552 |
6 |
| Hamilton Sundstrand Corporation | 5013 |
5 |
| Rohr, Inc. | 778 |
5 |
| TLV Co., Ltd. | 339 |
5 |
| Nuovo Pignone Tecnologie S.r.l. | 1232 |
5 |
| Other owners | 94 |