- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01K - Steam engine plantssteam accumulatorsengine plants not otherwise provided forengines using special working fluids or cycles
- F01K 27/02 - Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat
Patent holdings for IPC class F01K 27/02
Total number of patents in this class: 247
10-year publication summary
|
21
|
30
|
23
|
52
|
20
|
11
|
13
|
16
|
15
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13044 |
42 |
| Aramco Services Company | 3946 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 8703 |
12 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2873 |
9 |
| Malta Inc. | 117 |
8 |
| Siemens AG | 24518 |
7 |
| IHI Corporation | 3422 |
7 |
| Concepts Nrec, LLC | 57 |
4 |
| Fuji Electric Co., Ltd. | 5133 |
3 |
| Atlas Copco Airpower, naamloze vennootschap | 1027 |
3 |
| Echogen Power Systems, LLC | 63 |
3 |
| Sanden Holdings Corporation | 208 |
3 |
| GE Infrastructure Technology, LLC | 6213 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3094 |
3 |
| Sage Geosystems Inc. | 27 |
3 |
| Sapphire Technologies, Inc. | 50 |
3 |
| Repg Enerji Sistemleri Sanayi ve Ticaret Anonim Sirketi | 36 |
3 |
| General Electric Company | 13762 |
2 |
| The Regents of the University of California | 19887 |
2 |
| Hitachi, Ltd. | 15467 |
2 |
| Other owners | 112 |