- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02F - Cylinders, pistons, or casings for combustion engines; arrangements of sealings in combustion engines
- F02F 3/22 - Pistons having cooling means the means being a fluid flowing through or along piston the fluid being liquid
Patent holdings for IPC class F02F 3/22
Total number of patents in this class: 425
10-year publication summary
|
51
|
55
|
69
|
46
|
29
|
20
|
13
|
12
|
12
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MAHLE International GmbH | 2670 |
128 |
| KS Kolbenschmidt GmbH | 164 |
53 |
| Tenneco Inc | 274 |
35 |
| Federal-Mogul Nurnberg GmbH | 137 |
26 |
| Federal-Mogul Corporation | 362 |
13 |
| Federal-Mogul LLC | 133 |
12 |
| Wilmington Trust, National Association, AS Co-collateral Trustee, Successor Collateral Trustee | 345 |
12 |
| Caterpillar Inc. | 8877 |
11 |
| Achates Power, Inc. | 206 |
11 |
| Cummins Inc. | 2369 |
9 |
| Hitachi Automotive Systems, Ltd. | 3970 |
6 |
| Honda Motor Co., Ltd. | 24537 |
5 |
| Ford Global Technologies, LLC | 19702 |
5 |
| Daimler AG | 3462 |
5 |
| Dong Yang Piston Co., Ltd. | 27 |
5 |
| Ohio State Innovation Foundation | 1770 |
4 |
| KS Large Bore Pistons Germany GmbH | 5 |
4 |
| Componenta Finland Oy | 5 |
3 |
| Cox Powertrain Ltd | 54 |
3 |
| Man Energy Solutions SE | 274 |
3 |
| Other owners | 72 |