- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 25/10 - Heating, e.g. warming-up before starting
Patent holdings for IPC class F01D 25/10
Total number of patents in this class: 186
10-year publication summary
|
17
|
29
|
26
|
30
|
11
|
13
|
9
|
9
|
12
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
19 |
| Rtx Corporation | 8674 |
16 |
| General Electric Company | 18133 |
15 |
| GE Infrastructure Technology, LLC | 5873 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
10 |
| Rolls-Royce PLC | 2944 |
10 |
| Mitsubishi Power, Ltd. | 1680 |
8 |
| Pratt & Whitney Canada Corp. | 4215 |
7 |
| Siemens Energy, Inc. | 1770 |
6 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
6 |
| General Electric Technology GmbH | 1657 |
5 |
| Safran Aircraft Engines | 5739 |
4 |
| Safran Helicopter Engines | 676 |
4 |
| Turbomeca | 232 |
4 |
| United Technologies Corporation | 2328 |
3 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
3 |
| Airbus Operations S.L. | 511 |
2 |
| Hamilton Sundstrand Corporation | 4525 |
2 |
| Echogen Power Systems, LLC | 63 |
2 |
| Exoes | 14 |
2 |
| Other owners | 45 |