- 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: 139
10-year publication summary
|
16
|
18
|
10
|
15
|
9
|
9
|
6
|
7
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9875 |
25 |
| General Electric Company | 13831 |
13 |
| Safran Aircraft Engines | 6539 |
10 |
| GE Infrastructure Technology, LLC | 6212 |
9 |
| Pratt & Whitney Canada Corp. | 5223 |
8 |
| Siemens AG | 24200 |
5 |
| Hamilton Sundstrand Corporation | 5017 |
5 |
| Mitsubishi Power, Ltd. | 1820 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 9020 |
4 |
| Rolls-Royce Corporation | 1679 |
3 |
| Rolls-Royce North American Technologies, Inc. | 1131 |
3 |
| Nuovo Pignone Tecnologie S.r.l. | 1143 |
3 |
| Toshiba Corporation | 12691 |
2 |
| Siemens Energy, Inc. | 1694 |
2 |
| Shimadzu Corporation | 6307 |
2 |
| Emerson Process Management Power & Water Solutions, Inc. | 116 |
2 |
| General Electric Technology GmbH | 1346 |
2 |
| Stamicarbon B.V. | 314 |
2 |
| Toshiba Energy Systems & Solutions Corp. | 1131 |
2 |
| Mitsubishi Power Americas, Inc. | 58 |
2 |
| Other owners | 30 |