- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 25/32 - Collecting of condensation water; Drainage
Patent holdings for IPC class F01D 25/32
Total number of patents in this class: 305
10-year publication summary
|
38
|
31
|
36
|
27
|
36
|
32
|
17
|
26
|
25
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 18133 |
28 |
| Rtx Corporation | 8674 |
23 |
| Mitsubishi Power, Ltd. | 1680 |
21 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
19 |
| Safran Aircraft Engines | 5739 |
17 |
| Siemens AG | 24990 |
14 |
| Pratt & Whitney Canada Corp. | 4215 |
13 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
13 |
| GE Infrastructure Technology, LLC | 5873 |
10 |
| Honeywell International Inc. | 13799 |
7 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
7 |
| Toshiba Corporation | 12017 |
6 |
| Rolls-Royce PLC | 2944 |
6 |
| IHI Corporation | 3268 |
6 |
| MTU Aero Engines AG | 622 |
6 |
| Safran Helicopter Engines | 676 |
6 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
6 |
| Hamilton Sundstrand Corporation | 4525 |
5 |
| Siemens Energy, Inc. | 1770 |
5 |
| TLV Co., Ltd. | 336 |
5 |
| Other owners | 82 |