- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 1/44 - Multiple-valve gear or arrangements, not provided for in preceding subgroups, e.g. with lift and different valves
Patent holdings for IPC class F01L 1/44
Total number of patents in this class: 7
10-year publication summary
|
2
|
0
|
1
|
0
|
1
|
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
|
|---|---|---|
| Honda Motor Co., Ltd. | 24537 |
1 |
| Ford Global Technologies, LLC | 19702 |
1 |
| Hitachi Koki Co., Ltd. | 423 |
1 |
| Ibos Innovations Pty Ltd | 1 |
1 |
| Jacobs Vehicle Systems, Inc. | 212 |
1 |
| Sturman Digital Systems, LLC | 41 |
1 |
| TSR Technologies, L.L.C. | 1 |
1 |
| Other owners | 0 |