- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 9/16 - Pneumatic means
Patent holdings for IPC class F01L 9/16
Total number of patents in this class: 17
10-year publication summary
|
1
|
0
|
0
|
0
|
0
|
3
|
5
|
5
|
6
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tula Technology, Inc. | 331 |
4 |
| Freevalve AB | 45 |
3 |
| Motor Development International S.A. | 12 |
3 |
| Volvo Truck Corporation | 2764 |
3 |
| Weifang Lichuang Electronic Technology Co., Ltd. | 8 |
2 |
| L&T Technology Services Limited | 105 |
1 |
| Hedman Ericsson Patent AB | 15 |
1 |
| Other owners | 0 |