- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 21/10 - Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to unwanted deposits on blades, in working-fluid conduits, or the like
Patent holdings for IPC class F01D 21/10
Total number of patents in this class: 33
10-year publication summary
|
8
|
6
|
3
|
5
|
4
|
2
|
2
|
2
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
7 |
| GE Infrastructure Technology, LLC | 5873 |
4 |
| Rolls-Royce PLC | 2944 |
3 |
| Rolls-Royce Corporation | 1686 |
3 |
| Safran Aircraft Engines | 5739 |
3 |
| General Electric Company | 18133 |
2 |
| Honeywell International Inc. | 13799 |
2 |
| Pratt & Whitney Canada Corp. | 4215 |
2 |
| Siemens AG | 24990 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Hamilton Sundstrand Corporation | 4525 |
1 |
| GE Energy Products France SNC | 40 |
1 |
| Nuovo Pignone S.p.A. | 96 |
1 |
| Parker Intangibles LLC | 1237 |
1 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
1 |
| Other owners | 0 |