- 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 7/18 - Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbine being of multiple-inlet-pressure type
Patent holdings for IPC class F01K 7/18
Total number of patents in this class: 46
10-year publication summary
4
|
2
|
8
|
4
|
1
|
2
|
0
|
2
|
1
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24572 |
5 |
Mitsubishi Heavy Industries, Ltd. | 8515 |
5 |
GE Infrastructure Technology, LLC | 6109 |
5 |
Toshiba Corporation | 12037 |
3 |
Ormat Technologies, Inc. | 120 |
3 |
Sasol Technology (Proprietary) Limited | 235 |
3 |
Kawasaki Heavy Industries, Limited | 1582 |
2 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3009 |
2 |
Siemens Energy Global GmbH & Co. KG | 2825 |
2 |
Siemens Energy, Inc. | 1734 |
1 |
Fuji Electric Co., Ltd. | 4956 |
1 |
Cummins Inc. | 2467 |
1 |
Doosan Babcock Limited | 30 |
1 |
Exergy S.p.A. | 25 |
1 |
Kawasaki Plant Systems Kabushiki Kaisha | 14 |
1 |
Mitsubishi Hitachi Power Systems, Ltd. | 995 |
1 |
Turboden SpA | 57 |
1 |
Toshiba Energy Systems & Solutions Corp. | 1025 |
1 |
ECT Power AB | 1 |
1 |
EXERGY INTERNATIONAL S.r.l. | 24 |
1 |
Other owners | 5 |