- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 1058
10-year publication summary
|
109
|
134
|
131
|
101
|
74
|
58
|
58
|
32
|
31
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
227 |
| Safran Aircraft Engines | 5739 |
85 |
| GE Infrastructure Technology, LLC | 5873 |
83 |
| General Electric Company | 18133 |
77 |
| Siemens AG | 24990 |
62 |
| Rolls-Royce PLC | 2944 |
38 |
| Pratt & Whitney Canada Corp. | 4215 |
34 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
32 |
| United Technologies Corporation | 2328 |
31 |
| Siemens Energy, Inc. | 1770 |
29 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
28 |
| Mitsubishi Power, Ltd. | 1680 |
28 |
| Snecma | 1065 |
18 |
| SNECMA S.A. | 1160 |
16 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
16 |
| Rolls-Royce Corporation | 1686 |
16 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
16 |
| Honeywell International Inc. | 13799 |
15 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
14 |
| Ansaldo Energia Switzerland AG | 293 |
13 |
| Other owners | 180 |