- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 25/06 - Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke the cylinder-head ports being controlled by working pistons, e.g. by sleeve-shaped extensions thereof
Patent holdings for IPC class F02B 25/06
Total number of patents in this class: 128
10-year publication summary
|
16
|
12
|
7
|
3
|
2
|
2
|
2
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cummins Filtration IP, Inc. | 808 |
17 |
| Ford Global Technologies, LLC | 20465 |
13 |
| Honda Motor Co., Ltd. | 25137 |
7 |
| GM Global Technology Operations LLC | 14879 |
7 |
| International Engine Intellectual Property Company, LLC | 494 |
4 |
| Briggs & Stratton, LLC | 669 |
4 |
| Kawasaki Motors, Ltd. | 1230 |
4 |
| Caterpillar Inc. | 9472 |
3 |
| Toyota Motor Corporation | 31451 |
2 |
| Hyundai Motor Company | 21626 |
2 |
| Kia Motors Corporation | 7759 |
2 |
| Donaldson Company, Inc. | 1598 |
2 |
| Kubota Corporation | 3721 |
2 |
| MAHLE International GmbH | 2743 |
2 |
| Nifco Inc. | 1103 |
2 |
| Parker Intangibles LLC | 1174 |
2 |
| Volvo Truck Corporation | 3306 |
2 |
| Yamabiko Corporation | 262 |
2 |
| Progress Rail Locomotive Inc. | 319 |
2 |
| MAHLE Japan Ltd. | 52 |
2 |
| Other owners | 45 |