- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02F - Cylinders, pistons, or casings for combustion enginesarrangements of sealings in combustion engines
- F02F 11/00 - Arrangements of sealings in combustion engines
Patent holdings for IPC class F02F 11/00
Total number of patents in this class: 500
10-year publication summary
|
42
|
36
|
27
|
30
|
31
|
26
|
14
|
25
|
14
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOK Corporation | 2300 |
50 |
| Ford Global Technologies, LLC | 21461 |
28 |
| Caterpillar Inc. | 10271 |
25 |
| Federal-Mogul Corporation | 245 |
20 |
| Honda Motor Co., Ltd. | 25991 |
18 |
| Nippon Gasket Co., Ltd. | 24 |
17 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12412 |
14 |
| Cummins Inc. | 2624 |
13 |
| Dana Automotive Systems Group, LLC | 476 |
12 |
| Pratt & Whitney Canada Corp. | 5459 |
11 |
| Nichias Corporation | 402 |
11 |
| Ishikawa Gasket Co., Ltd. | 26 |
10 |
| Reinz-Dichtungs-GmbH | 283 |
8 |
| Toyota Motor Corporation | 35500 |
7 |
| GM Global Technology Operations LLC | 16039 |
7 |
| Federal-Mogul Powertrain LLC | 274 |
7 |
| Freudenberg-NOK General Partnership | 151 |
6 |
| Nippon Leakless Industry Co., Ltd. | 9 |
6 |
| Uchiyama Manufacturing Corp. | 134 |
5 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 816 |
5 |
| Other owners | 220 |