- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 20/22 - Control of, monitoring of, or safety arrangements for, machines or engines characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
Patent holdings for IPC class F01C 20/22
Total number of patents in this class: 10
10-year publication summary
|
2
|
1
|
1
|
1
|
0
|
0
|
0
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GREE Green Refrigeration Technology Center Co., Ltd. of Zhuhai | 166 |
2 |
| Samsung Electronics Co., Ltd. | 155224 |
1 |
| Robert Bosch GmbH | 43788 |
1 |
| Concentric Birmingham Limited | 6 |
1 |
| MIBA Sinter Holding GmbH & Co KG | 1 |
1 |
| Pierburg Pump Technology Italy S.p.A. | 4 |
1 |
| Torad Engineering, LLC | 9 |
1 |
| Hanon Systems EFP Deutschland GmbH | 96 |
1 |
| Limited Liability Company "pervoye Opytno-konstruktorskoye Byuro" | 2 |
1 |
| Other owners | 0 |