- 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 9/00 - Steam engine plants characterised by condensers arranged or modified to co-operate with the engines
Patent holdings for IPC class F01K 9/00
Total number of patents in this class: 376
10-year publication summary
|
60
|
37
|
45
|
37
|
40
|
27
|
20
|
18
|
21
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
22 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
13 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
13 |
| Mitsubishi Power, Ltd. | 1680 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
12 |
| Scania CV AB | 2330 |
10 |
| Fuji Electric Co., Ltd. | 4750 |
9 |
| Orcan Energy AG | 54 |
9 |
| General Electric Technology GmbH | 1657 |
8 |
| IHI Corporation | 3268 |
6 |
| MAHLE International GmbH | 2670 |
6 |
| GE Infrastructure Technology, LLC | 5873 |
6 |
| Energy Dome S.p.A. | 31 |
6 |
| Hitachi, Ltd. | 16452 |
5 |
| Robert Bosch GmbH | 40953 |
5 |
| Harris Corporation | 1591 |
5 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
5 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
4 |
| Coneflower, Inc. | 7 |
4 |
| Trenew, LLC | 7 |
4 |
| Other owners | 211 |