- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 19/02 - Starting of machines or enginesRegulating, controlling, or safety means in connection therewith dependent on temperature of component parts, e.g. of turbine casing
Patent holdings for IPC class F01D 19/02
Total number of patents in this class: 140
10-year publication summary
|
17
|
18
|
13
|
15
|
11
|
9
|
6
|
7
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10165 |
25 |
| General Electric Company | 13966 |
13 |
| Safran Aircraft Engines | 6750 |
10 |
| GE Infrastructure Technology, LLC | 6153 |
9 |
| Pratt & Whitney Canada Corp. | 5528 |
8 |
| Siemens AG | 23972 |
5 |
| Hamilton Sundstrand Corporation | 5013 |
5 |
| Mitsubishi Power, Ltd. | 1837 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 9188 |
4 |
| Rolls-Royce Corporation | 1681 |
3 |
| Rolls-Royce North American Technologies, Inc. | 1131 |
3 |
| Nuovo Pignone Tecnologie S.r.l. | 1227 |
3 |
| GE Vernova Infrastructure Technology LLC | 543 |
3 |
| Toshiba Corporation | 12660 |
2 |
| Siemens Energy, Inc. | 1681 |
2 |
| Shimadzu Corporation | 6373 |
2 |
| Emerson Process Management Power & Water Solutions, Inc. | 117 |
2 |
| General Electric Technology GmbH | 1322 |
2 |
| Stamicarbon B.V. | 322 |
2 |
| Toshiba Energy Systems & Solutions Corp. | 1142 |
2 |
| Other owners | 30 |