- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02B - Internal-combustion piston engines; combustion 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: 945
10-year publication summary
|
95
|
122
|
134
|
123
|
114
|
86
|
60
|
27
|
14
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Motor Co., Ltd. | 12249 |
116 |
| AVL List GmbH | 1232 |
76 |
| Toyota Motor Corporation | 28582 |
45 |
| Daimler AG | 3462 |
43 |
| iwis motorsysteme GmbH & Co. KG | 124 |
39 |
| Gomecsys B.V. | 37 |
32 |
| IHI Corporation | 3268 |
30 |
| Hitachi Automotive Systems, Ltd. | 3970 |
28 |
| ECO Holding 1 GmbH | 121 |
28 |
| Audi AG | 7153 |
25 |
| FEV GmbH | 84 |
25 |
| Hyundai Motor Company | 19021 |
24 |
| Hitachi Astemo, Ltd. | 5618 |
23 |
| Ford Global Technologies, LLC | 19702 |
22 |
| Schaeffler Technologies AG & Co. KG | 8880 |
21 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
21 |
| Mce-5 Development | 36 |
20 |
| GM Global Technology Operations LLC | 13620 |
15 |
| Honda Motor Co., Ltd. | 24537 |
14 |
| Dr. Ing. h.c. F. Porsche Aktiengesellschaft | 2487 |
12 |
| Other owners | 286 |