- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 13/02 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for reversing
Patent holdings for IPC class F01L 13/02
Total number of patents in this class: 6
10-year publication summary
1
|
2
|
1
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toyota Motor Corporation | 28582 |
1 |
Eaton Corporation | 1839 |
1 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
Echogen Power Systems, LLC | 63 |
1 |
Tigers Polymer Corporation | 31 |
1 |
Yamaha Hatsudoki Kabushiki Kaisha | 1998 |
1 |
Other owners | 0 |