- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 19/02 - Starting of machines or engines; Regulating, 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: 136
10-year publication summary
|
9
|
11
|
17
|
18
|
13
|
15
|
11
|
9
|
6
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
24 |
| General Electric Company | 18133 |
12 |
| Pratt & Whitney Canada Corp. | 4215 |
8 |
| Safran Aircraft Engines | 5739 |
8 |
| GE Infrastructure Technology, LLC | 5873 |
8 |
| Siemens AG | 24990 |
7 |
| Hamilton Sundstrand Corporation | 4525 |
5 |
| Mitsubishi Power, Ltd. | 1680 |
5 |
| General Electric Technology GmbH | 1657 |
4 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Toshiba Corporation | 12017 |
2 |
| Alstom Technology Ltd | 1196 |
2 |
| Siemens Energy, Inc. | 1770 |
2 |
| Shimadzu Corporation | 5791 |
2 |
| Emerson Process Management Power & Water Solutions, Inc. | 126 |
2 |
| Rolls-Royce Corporation | 1686 |
2 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
2 |
| Stamicarbon B.V. | 265 |
2 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
2 |
| Other owners | 32 |