- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 1/20 - Rotary-piston machines or engines of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with dissimilar tooth forms
Patent holdings for IPC class F01C 1/20
Total number of patents in this class: 24
10-year publication summary
|
6
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mallen Research Limited Partnership | 6 |
5 |
| LiquidPiston, Inc. | 49 |
3 |
| Szaraniec, Christoph | 2 |
2 |
| Beijing Rostar Technology Co. Ltd | 17 |
1 |
| Brands & Products IPR Holding GmbH & Co. KG | 3 |
1 |
| Concept Solutions Inc. | 2 |
1 |
| Epicam Limited | 4 |
1 |
| Exponential Technologies, Inc. | 32 |
1 |
| The Japan Steel Works, Ltd. | 826 |
1 |
| Kyungwon Machinery Co., Ltd. | 5 |
1 |
| Nagoya Institute of Technology | 256 |
1 |
| Peach, Brett Myndon | 1 |
1 |
| ZAO "technology Market" | 1 |
1 |
| Tripile e Power Ltd. | 1 |
1 |
| Rotary Evolutions Limited | 1 |
1 |
| BRICIO ARZUBIDE, Francisco Javier | 1 |
1 |
| Beijing META Power Technology Co., Ltd | 2 |
1 |
| Other owners | 0 |