- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 25/26 - Multi-cylinder engines other than those provided for in, or of interest apart from, groups
Patent holdings for IPC class F02B 25/26
Total number of patents in this class: 10
10-year publication summary
|
2
|
1
|
2
|
0
|
0
|
0
|
0
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4969 |
2 |
| Cox Powertrain Ltd | 42 |
2 |
| Planetary Rotor Engine Company | 4 |
1 |
| Southwest Research Institute | 737 |
1 |
| Tianjin University | 835 |
1 |
| Progress Rail Locomotive Inc. | 325 |
1 |
| Van Rooyen, James Basil | 2 |
1 |
| Van Rooyen, John Renier | 2 |
1 |
| Other owners | 0 |