- 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: 122
10-year publication summary
|
12
|
7
|
3
|
2
|
2
|
2
|
2
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cummins Filtration IP, Inc. | 775 |
17 |
| Ford Global Technologies, LLC | 21134 |
12 |
| GM Global Technology Operations LLC | 15637 |
7 |
| Honda Motor Co., Ltd. | 25795 |
6 |
| International Engine Intellectual Property Company, LLC | 469 |
4 |
| Briggs & Stratton, LLC | 686 |
4 |
| Caterpillar Inc. | 10013 |
3 |
| Kawasaki Motors, Ltd. | 1473 |
3 |
| Toyota Motor Corporation | 34094 |
2 |
| Hyundai Motor Company | 23323 |
2 |
| Kia Motors Corporation | 7738 |
2 |
| Donaldson Company, Inc. | 1589 |
2 |
| Kubota Corporation | 4160 |
2 |
| MAHLE International GmbH | 2862 |
2 |
| Nifco Inc. | 1112 |
2 |
| Parker Intangibles LLC | 1194 |
2 |
| Volvo Truck Corporation | 3715 |
2 |
| Yamabiko Corporation | 288 |
2 |
| Progress Rail Locomotive Inc. | 332 |
2 |
| MAHLE Japan Ltd. | 52 |
2 |
| Other owners | 42 |