- 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: 259
10-year publication summary
|
30
|
23
|
52
|
20
|
11
|
13
|
16
|
15
|
12
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 14235 |
42 |
| Aramco Services Company | 4195 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
12 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2836 |
9 |
| Malta Inc. | 105 |
8 |
| Siemens AG | 24029 |
7 |
| IHI Corporation | 3535 |
7 |
| Concepts Nrec, LLC | 56 |
4 |
| Fuji Electric Co., Ltd. | 5478 |
3 |
| Atlas Copco Airpower, naamloze vennootschap | 1081 |
3 |
| Echogen Power Systems, LLC | 63 |
3 |
| Sanden Holdings Corporation | 208 |
3 |
| GE Infrastructure Technology, LLC | 6171 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3259 |
3 |
| Sapphire Technologies, Inc. | 57 |
3 |
| Repg Enerji Sistemleri Sanayi ve Ticaret Anonim Sirketi | 39 |
3 |
| General Electric Company | 13899 |
2 |
| The Regents of the University of California | 20745 |
2 |
| Hitachi, Ltd. | 16094 |
2 |
| Uop LLC | 4393 |
2 |
| Other owners | 125 |