- 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 1/04 - Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly
Patent holdings for IPC class F02C 1/04
Total number of patents in this class: 182
10-year publication summary
|
13
|
22
|
8
|
16
|
26
|
16
|
18
|
20
|
11
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Malta Inc. | 107 |
17 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
14 |
| Kobe Steel, Ltd. | 912 |
9 |
| IFP Energies Nouvelles | 2717 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
6 |
| Peregrine Turbine Technologies, LLC | 15 |
6 |
| Siemens AG | 24990 |
5 |
| Hamilton Sundstrand Corporation | 4525 |
4 |
| Highview Enterprises Limited | 45 |
4 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
4 |
| Compower AB | 3 |
3 |
| Google LLC | 38759 |
3 |
| General Electric Company | 18133 |
2 |
| Uop LLC | 4083 |
2 |
| 8 Rivers Capital, LLC | 224 |
2 |
| Ares Turbine AS | 3 |
2 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
2 |
| Echogen Power Systems, LLC | 63 |
2 |
| Gas Technology Institute | 374 |
2 |
| Ice Industrial Properties B.V. | 4 |
2 |
| Other owners | 83 |