- 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: 1096
10-year publication summary
|
120
|
98
|
72
|
53
|
52
|
31
|
35
|
27
|
23
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9825 |
236 |
| Safran Aircraft Engines | 6509 |
102 |
| GE Infrastructure Technology, LLC | 6214 |
84 |
| General Electric Company | 13809 |
81 |
| Siemens AG | 24250 |
59 |
| Siemens Energy Global GmbH & Co. KG | 3232 |
35 |
| Rolls-Royce PLC | 3174 |
34 |
| United Technologies Corporation | 2220 |
31 |
| Pratt & Whitney Canada Corp. | 5197 |
31 |
| Siemens Energy, Inc. | 1698 |
28 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
28 |
| Mitsubishi Power, Ltd. | 1818 |
28 |
| Snecma | 1058 |
18 |
| Mitsubishi Heavy Industries, Ltd. | 9004 |
17 |
| SNECMA S.A. | 1148 |
16 |
| Rolls-Royce Deutschland Ltd & Co KG | 838 |
16 |
| Honeywell International Inc. | 13561 |
15 |
| Rolls-Royce North American Technologies, Inc. | 1138 |
15 |
| Rolls-Royce Corporation | 1683 |
14 |
| Ansaldo Energia Switzerland AG | 270 |
13 |
| Other owners | 195 |