- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01K - Steam engine plantssteam accumulatorsengine plants not otherwise provided forengines using special working fluids or cycles
- F01K 9/00 - Steam engine plants characterised by condensers arranged or modified to co-operate with the engines
Patent holdings for IPC class F01K 9/00
Total number of patents in this class: 388
10-year publication summary
|
36
|
45
|
37
|
40
|
25
|
20
|
17
|
22
|
10
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24350 |
22 |
| Mitsubishi Heavy Industries, Ltd. | 8832 |
18 |
| Mitsubishi Power, Ltd. | 1799 |
15 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 32139 |
12 |
| Fuji Electric Co., Ltd. | 5229 |
9 |
| Orcan Energy AG | 55 |
9 |
| Scania CV AB | 2395 |
9 |
| IHI Corporation | 3452 |
6 |
| GE Infrastructure Technology, LLC | 6201 |
6 |
| Energy Dome S.p.A. | 36 |
6 |
| Hitachi, Ltd. | 15612 |
5 |
| Robert Bosch GmbH | 42887 |
5 |
| Harris Corporation | 1408 |
5 |
| General Electric Technology GmbH | 1370 |
5 |
| Siemens Energy Global GmbH & Co. KG | 3041 |
5 |
| MAHLE International GmbH | 2812 |
4 |
| Coneflower, Inc. | 7 |
4 |
| Trenew, LLC | 7 |
4 |
| Arabelle Solutions France | 151 |
4 |
| Other owners | 222 |