- 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 7/12 - Cooling of plants
Patent holdings for IPC class F02C 7/12
Total number of patents in this class: 959
10-year publication summary
128
|
105
|
165
|
69
|
49
|
55
|
49
|
57
|
35
|
18
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
United Technologies Corporation | 2328 |
175 |
Rtx Corporation | 8674 |
174 |
General Electric Company | 18133 |
90 |
Pratt & Whitney Canada Corp. | 4215 |
74 |
GE Infrastructure Technology, LLC | 5873 |
58 |
Rolls-Royce PLC | 2944 |
43 |
Rolls-Royce North American Technologies, Inc. | 1079 |
33 |
Safran Aircraft Engines | 5739 |
24 |
Rolls-Royce Corporation | 1686 |
21 |
Mitsubishi Power, Ltd. | 1680 |
19 |
SNECMA S.A. | 1160 |
16 |
Hamilton Sundstrand Corporation | 4525 |
13 |
Siemens Energy Global GmbH & Co. KG | 2775 |
12 |
Siemens AG | 24990 |
10 |
Doosan Heavy Industries & Construction Co., Ltd. | 604 |
10 |
Ansaldo Energia Switzerland AG | 293 |
9 |
Solar Turbines Incorporated | 452 |
9 |
Rolls-Royce Deutschland Ltd & Co KG | 765 |
8 |
Voyetra Turtle Beach, Inc. | 461 |
7 |
Unison Industries, LLC | 195 |
6 |
Other owners | 148 |