- 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 27/00 - Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
Patent holdings for IPC class F01K 27/00
Total number of patents in this class: 359
10-year publication summary
|
28
|
56
|
33
|
22
|
22
|
34
|
29
|
27
|
13
|
4
|
| 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 |
42 |
| Aramco Services Company | 3750 |
15 |
| Lockheed Martin Corporation | 3307 |
8 |
| Boundary Energy Inc. | 14 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
5 |
| Fuji Electric Co., Ltd. | 4980 |
5 |
| Etalim Inc. | 27 |
5 |
| Ormat Technologies, Inc. | 120 |
4 |
| Sabanci University | 18 |
4 |
| Thermal Power Recovery LLC | 12 |
4 |
| Xi'an Thermal Power Research Institute Co., Ltd. | 297 |
4 |
| Lawrence Livermore National Security, LLC | 1882 |
3 |
| Bastian Family Holdings, Inc. | 4 |
3 |
| Donaldson Company, Inc. | 1574 |
3 |
| Echogen Power Systems, Inc. | 15 |
3 |
| Echogen Power Systems, LLC | 63 |
3 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2906 |
3 |
| LightSail Energy, Inc. | 16 |
3 |
| Pyrogenesis Canada, Inc. | 71 |
3 |
| Technion Research & Development Foundation Ltd. | 1197 |
3 |
| Other owners | 230 |