- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 1/28 - Rotary-piston machines or engines of counter-engagement type, i.e. the movement of co-operating members at the points of engagement being in opposite directions of other than internal-axis type
Patent holdings for IPC class F01C 1/28
Total number of patents in this class: 10
10-year publication summary
|
2
|
1
|
0
|
1
|
0
|
0
|
0
|
0
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Coool.energy Ltd | 3 |
3 |
| Szaraniec, Christoph | 2 |
2 |
| Mallen Research Limited Partnership | 6 |
1 |
| Planetary Rotor Engine Company | 4 |
1 |
| Power Source Technologies, Inc. | 4 |
1 |
| International Electric Company Limited | 5 |
1 |
| Trimotech AS | 1 |
1 |
| Other owners | 0 |