- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 75/04 - Engines with variable distances between pistons at top dead-centre positions and cylinder heads
Patent holdings for IPC class F02B 75/04
Total number of patents in this class: 904
10-year publication summary
|
114
|
129
|
123
|
113
|
85
|
60
|
27
|
14
|
16
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Motor Co., Ltd. | 12572 |
113 |
| AVL List GmbH | 1304 |
74 |
| Toyota Motor Corporation | 33015 |
44 |
| Daimler AG | 3351 |
42 |
| iwis motorsysteme GmbH & Co. KG | 120 |
38 |
| Gomecsys B.V. | 37 |
31 |
| IHI Corporation | 3453 |
30 |
| Hitachi Automotive Systems, Ltd. | 3955 |
28 |
| ECO Holding 1 GmbH | 126 |
26 |
| Audi AG | 7377 |
25 |
| FEV GmbH | 80 |
25 |
| Ford Global Technologies, LLC | 20755 |
22 |
| Hitachi Astemo, Ltd. | 6383 |
22 |
| Schaeffler Technologies AG & Co. KG | 10035 |
21 |
| Mce-5 Development | 36 |
20 |
| Hyundai Motor Company | 22435 |
18 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12749 |
18 |
| GM Global Technology Operations LLC | 15192 |
15 |
| Dr. Ing. h.c. F. Porsche Aktiengesellschaft | 2775 |
12 |
| Honda Motor Co., Ltd. | 25780 |
10 |
| Other owners | 270 |