- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01K - Steam engine plantssteam accumulatorsengine plants not otherwise provided forengines using special working fluids or cycles
- F01K 13/00 - General layout or general methods of operation, of complete steam engine plants
Patent holdings for IPC class F01K 13/00
Total number of patents in this class: 762
10-year publication summary
|
71
|
99
|
72
|
54
|
40
|
42
|
45
|
32
|
24
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13295 |
46 |
| Siemens AG | 24436 |
33 |
| GE Infrastructure Technology, LLC | 6241 |
26 |
| 8 Rivers Capital, LLC | 235 |
25 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
16 |
| Toshiba Corporation | 12383 |
15 |
| Mitsubishi Power, Ltd. | 1780 |
15 |
| Mitsubishi Heavy Industries, Ltd. | 8777 |
14 |
| Malta Inc. | 124 |
13 |
| Aramco Services Company | 4002 |
12 |
| Siemens Energy Global GmbH & Co. KG | 2998 |
11 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
9 |
| Echogen Power Systems, LLC | 63 |
8 |
| General Electric Technology GmbH | 1372 |
8 |
| Orcan Energy AG | 55 |
8 |
| General Electric Company | 13807 |
7 |
| Heat IP Holdco, LLC | 49 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 31696 |
6 |
| Uop LLC | 4241 |
6 |
| Mitsubishi Heavy Industries Compressor Corporation | 634 |
6 |
| Other owners | 471 |