- 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: 882
10-year publication summary
|
134
|
123
|
114
|
86
|
60
|
27
|
14
|
16
|
7
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Motor Co., Ltd. | 13139 |
107 |
| AVL List GmbH | 1333 |
74 |
| Toyota Motor Corporation | 36619 |
42 |
| Daimler AG | 2779 |
40 |
| iwis motorsysteme GmbH & Co. KG | 103 |
38 |
| Gomecsys B.V. | 39 |
33 |
| IHI Corporation | 3561 |
30 |
| Hitachi Automotive Systems, Ltd. | 3954 |
28 |
| ECO Holding 1 GmbH | 131 |
26 |
| Audi AG | 7604 |
25 |
| FEV GmbH | 80 |
25 |
| Hitachi Astemo, Ltd. | 6475 |
22 |
| Ford Global Technologies, LLC | 21686 |
21 |
| Schaeffler Technologies AG & Co. KG | 11297 |
21 |
| Mce-5 Development | 36 |
20 |
| Hyundai Motor Company | 25321 |
19 |
| GM Global Technology Operations LLC | 16327 |
16 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12264 |
15 |
| Dr. Ing. h.c. F. Porsche Aktiengesellschaft | 2839 |
12 |
| Hilite Germany GmbH | 62 |
9 |
| Other owners | 259 |