- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 25/16 - Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both inlet and outlet ports arranged near bottom of piston stroke the charge flowing upward essentially along cylinder wall opposite the inlet ports
Patent holdings for IPC class F02B 25/16
Total number of patents in this class: 36
10-year publication summary
|
3
|
1
|
0
|
1
|
0
|
5
|
3
|
4
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamabiko Corporation | 254 |
11 |
| Makita Corporation | 2414 |
7 |
| Hitachi Koki Co., Ltd. | 423 |
3 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2078 |
3 |
| Husqvarna Zenoah Co., Ltd. | 81 |
2 |
| Nikko Tanaka Engineering Co., Ltd. | 2 |
2 |
| EMAK S.p.A. | 63 |
1 |
| Husqvarna AB | 2884 |
1 |
| IHI Corporation | 3366 |
1 |
| Shindaiwa Corporation | 4 |
1 |
| Koki Holdings Co.,Ltd | 861 |
1 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3020 |
1 |
| Lwj Co., Ltd. | 4 |
1 |
| Cesar Mercier | 2 |
1 |
| Other owners | 0 |