- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 5/08 - Heating, heat-insulating, or cooling means
Patent holdings for IPC class F01D 5/08
Total number of patents in this class: 1063
10-year publication summary
|
134
|
131
|
101
|
74
|
58
|
58
|
32
|
35
|
22
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9257 |
233 |
| Safran Aircraft Engines | 6189 |
89 |
| GE Infrastructure Technology, LLC | 6183 |
84 |
| General Electric Company | 17073 |
77 |
| Siemens AG | 24538 |
59 |
| Rolls-Royce PLC | 3020 |
37 |
| United Technologies Corporation | 2248 |
31 |
| Siemens Energy Global GmbH & Co. KG | 2889 |
31 |
| Pratt & Whitney Canada Corp. | 4493 |
29 |
| Siemens Energy, Inc. | 1697 |
28 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
28 |
| Mitsubishi Power, Ltd. | 1752 |
28 |
| Snecma | 1065 |
18 |
| SNECMA S.A. | 1145 |
16 |
| Mitsubishi Heavy Industries, Ltd. | 8591 |
16 |
| Rolls-Royce Corporation | 1721 |
16 |
| Rolls-Royce Deutschland Ltd & Co KG | 805 |
16 |
| Honeywell International Inc. | 13604 |
15 |
| Rolls-Royce North American Technologies, Inc. | 1156 |
15 |
| Ansaldo Energia Switzerland AG | 278 |
13 |
| Other owners | 184 |