- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01K - Steam engine plants; steam accumulators; engine plants not otherwise provided for; engines 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: 757
10-year publication summary
|
77
|
106
|
77
|
58
|
41
|
48
|
51
|
33
|
27
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 12446 |
46 |
| Siemens AG | 24565 |
34 |
| GE Infrastructure Technology, LLC | 6114 |
26 |
| 8 Rivers Capital, LLC | 239 |
25 |
| Doosan Heavy Industries & Construction Co., Ltd. | 585 |
16 |
| Toshiba Corporation | 12051 |
15 |
| General Electric Technology GmbH | 1599 |
15 |
| Mitsubishi Power, Ltd. | 1737 |
15 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
13 |
| Malta Inc. | 109 |
13 |
| Aramco Services Company | 3750 |
12 |
| Siemens Energy Global GmbH & Co. KG | 2829 |
12 |
| Mitsubishi Hitachi Power Systems, Ltd. | 995 |
9 |
| Echogen Power Systems, LLC | 63 |
8 |
| Orcan Energy AG | 54 |
8 |
| General Electric Company | 17789 |
7 |
| Heat IP Holdco, LLC | 48 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
6 |
| Uop LLC | 4188 |
6 |
| Mitsubishi Heavy Industries Compressor Corporation | 620 |
6 |
| Other owners | 458 |