- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 17/20 - Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
Patent holdings for IPC class F01D 17/20
Total number of patents in this class: 152
10-year publication summary
|
23
|
24
|
10
|
18
|
1
|
13
|
10
|
5
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
14 |
| General Electric Company | 18133 |
10 |
| Pratt & Whitney Canada Corp. | 4215 |
8 |
| Mitsubishi Heavy Industries Compressor Corporation | 613 |
8 |
| Siemens AG | 24990 |
7 |
| Siemens Energy, Inc. | 1770 |
7 |
| SNECMA S.A. | 1160 |
6 |
| Hamilton Sundstrand Corporation | 4525 |
6 |
| BorgWarner Inc. | 2604 |
6 |
| Safran Aircraft Engines | 5739 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
5 |
| Snecma | 1065 |
5 |
| Rolls-Royce PLC | 2944 |
4 |
| Cummins Turbo Technologies Limited | 109 |
4 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
4 |
| Rolls-Royce Corporation | 1686 |
4 |
| GE Infrastructure Technology, LLC | 5873 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Continental Automotive GmbH | 5573 |
2 |
| GE Aviation Systems Limited | 257 |
2 |
| Other owners | 39 |