- 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: 759
10-year publication summary
|
77
|
106
|
77
|
58
|
41
|
48
|
51
|
35
|
26
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 12858 |
46 |
| Siemens AG | 24561 |
34 |
| GE Infrastructure Technology, LLC | 6192 |
26 |
| 8 Rivers Capital, LLC | 252 |
25 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
16 |
| Toshiba Corporation | 12286 |
15 |
| Mitsubishi Power, Ltd. | 1757 |
15 |
| Mitsubishi Heavy Industries, Ltd. | 8647 |
14 |
| Malta Inc. | 117 |
13 |
| Aramco Services Company | 3910 |
12 |
| General Electric Technology GmbH | 1456 |
12 |
| Siemens Energy Global GmbH & Co. KG | 2916 |
11 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
9 |
| Echogen Power Systems, LLC | 63 |
8 |
| Orcan Energy AG | 54 |
8 |
| General Electric Company | 13829 |
7 |
| Heat IP Holdco, LLC | 48 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
6 |
| Uop LLC | 4209 |
6 |
| Mitsubishi Heavy Industries Compressor Corporation | 626 |
6 |
| Other owners | 463 |