- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02C - Gas-turbine plants; air intakes for jet-propulsion plants; controlling fuel supply in air-breathing jet-propulsion plants
- F02C 7/18 - Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
Patent holdings for IPC class F02C 7/18
Total number of patents in this class: 2010
10-year publication summary
215
|
299
|
286
|
249
|
211
|
203
|
106
|
124
|
107
|
30
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rtx Corporation | 8674 |
455 |
General Electric Company | 18133 |
199 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
114 |
Safran Aircraft Engines | 5739 |
108 |
United Technologies Corporation | 2328 |
105 |
GE Infrastructure Technology, LLC | 5873 |
99 |
Mitsubishi Power, Ltd. | 1680 |
91 |
Mitsubishi Hitachi Power Systems, Ltd. | 999 |
81 |
Pratt & Whitney Canada Corp. | 4215 |
73 |
Rolls-Royce PLC | 2944 |
58 |
Rolls-Royce North American Technologies, Inc. | 1079 |
44 |
IHI Corporation | 3268 |
39 |
Doosan Heavy Industries & Construction Co., Ltd. | 604 |
37 |
Siemens AG | 24990 |
34 |
Rolls-Royce Corporation | 1686 |
32 |
Hamilton Sundstrand Corporation | 4525 |
27 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
22 |
Honeywell International Inc. | 13799 |
19 |
Siemens Energy Global GmbH & Co. KG | 2775 |
16 |
Rolls-Royce Deutschland Ltd & Co KG | 765 |
15 |
Other owners | 342 |