- 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 23/10 - Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
Patent holdings for IPC class F01K 23/10
Total number of patents in this class: 1505
10-year publication summary
185
|
172
|
168
|
161
|
128
|
95
|
81
|
92
|
57
|
15
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
GE Infrastructure Technology, LLC | 5873 |
101 |
Siemens AG | 24990 |
94 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
86 |
Mitsubishi Power, Ltd. | 1680 |
63 |
Mitsubishi Hitachi Power Systems, Ltd. | 999 |
49 |
Siemens Energy Global GmbH & Co. KG | 2775 |
35 |
Robert Bosch GmbH | 40953 |
31 |
General Electric Technology GmbH | 1657 |
31 |
Alstom Technology Ltd | 1196 |
29 |
8 Rivers Capital, LLC | 224 |
25 |
General Electric Company | 18133 |
22 |
Cummins Inc. | 2369 |
21 |
Nuovo Pignone Tecnologie S.r.l. | 789 |
21 |
Kabushiki Kaisha Toyota Jidoshokki | 1699 |
21 |
Sanden Corporation | 859 |
19 |
Scania CV AB | 2330 |
18 |
Siemens Energy, Inc. | 1770 |
17 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
17 |
Pintail Power LLC | 19 |
16 |
Mitsubishi Power Americas, Inc. | 50 |
14 |
Other owners | 775 |