- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23R - Generating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers
- F23R 3/10 - Air inlet arrangements for primary air
Patent holdings for IPC class F23R 3/10
Total number of patents in this class: 359
10-year publication summary
36
|
42
|
56
|
35
|
37
|
18
|
14
|
18
|
18
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
GE Infrastructure Technology, LLC | 5873 |
63 |
General Electric Company | 18133 |
40 |
Mitsubishi Power, Ltd. | 1680 |
29 |
Rtx Corporation | 8674 |
28 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
24 |
Pratt & Whitney Canada Corp. | 4215 |
18 |
Safran Aircraft Engines | 5739 |
15 |
Collins Engine Nozzles, Inc. | 264 |
14 |
Mitsubishi Hitachi Power Systems, Ltd. | 999 |
12 |
SNECMA S.A. | 1160 |
11 |
Siemens AG | 24990 |
9 |
Rolls-Royce PLC | 2944 |
8 |
Kawasaki Heavy Industries, Limited | 1524 |
8 |
Snecma | 1065 |
7 |
Siemens Energy, Inc. | 1770 |
6 |
Doosan Heavy Industries & Construction Co., Ltd. | 604 |
5 |
Rolls-Royce Deutschland Ltd & Co KG | 765 |
5 |
Woodward, Inc. | 602 |
4 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
4 |
Siemens Energy Global GmbH & Co. KG | 2775 |
4 |
Other owners | 45 |