- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01K - Steam engine plantssteam accumulatorsengine plants not otherwise provided forengines using special working fluids or cycles
- F01K 3/22 - Controlling, e.g. starting, stopping
Patent holdings for IPC class F01K 3/22
Total number of patents in this class: 23
10-year publication summary
|
2
|
0
|
2
|
0
|
1
|
2
|
2
|
0
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2
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24200 |
2 |
| Robert Bosch GmbH | 43587 |
2 |
| Peregrine Turbine Technologies, LLC | 15 |
2 |
| Stamicarbon B.V. | 314 |
2 |
| Toshiba Plant Systems & Services Corporation | 33 |
2 |
| Malta Inc. | 110 |
2 |
| Pintail Power LLC | 22 |
2 |
| Evonik Industries AG | 223 |
1 |
| Alstom Technology Ltd | 1057 |
1 |
| Rolls-Royce PLC | 3183 |
1 |
| Averill Partners, LLC | 6 |
1 |
| Echogen Power Systems, LLC | 63 |
1 |
| Enea Agenzia Nazionale per le Nuove Tecnologie, L'energia e LO Sviluppo Economico Sostenibile | 55 |
1 |
| JP Steel Plantech Co. | 81 |
1 |
| Man Energy Solutions SE | 111 |
1 |
| Mitsubishi Power, Ltd. | 1820 |
1 |
| Other owners | 0 |