- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 13/08 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for changing compression ratio
Patent holdings for IPC class F01L 13/08
Total number of patents in this class: 122
10-year publication summary
|
14
|
11
|
15
|
9
|
8
|
6
|
12
|
4
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 24865 |
12 |
| Eaton Intelligent Power Limited | 6293 |
11 |
| Jacobs Vehicle Systems, Inc. | 218 |
8 |
| Indian Motorcycle International, LLC | 353 |
7 |
| Cummins Inc. | 2467 |
5 |
| Ford Global Technologies, LLC | 20057 |
4 |
| Daimler AG | 3418 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 13830 |
4 |
| Renault Trucks | 207 |
4 |
| Scania CV AB | 2377 |
3 |
| Volvo Truck Corporation | 3094 |
3 |
| Wartsila Finland Oy | 741 |
3 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13109 |
3 |
| Toyota Motor Corporation | 30345 |
2 |
| Robert Bosch GmbH | 41717 |
2 |
| Hyundai Motor Company | 20403 |
2 |
| Yamaha Motor Co., Ltd. | 2788 |
2 |
| Schaeffler Technologies AG & Co. KG | 9364 |
2 |
| Guangzhou Panyu Huanan Motors Group Co., Ltd. | 15 |
2 |
| Husqvarna AB | 2879 |
2 |
| Other owners | 37 |