- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 23/00 - Valves controlled by impact of piston, e.g. in free-piston machines
Patent holdings for IPC class F01L 23/00
Total number of patents in this class: 9
10-year publication summary
|
4
|
2
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dosatron International | 68 |
2 |
| Daimler AG | 3418 |
1 |
| EXEL Industries | 519 |
1 |
| Graco Minnesota Inc. | 1162 |
1 |
| Liftwave, Inc., DBA Rise Robotics | 34 |
1 |
| Thermal Power Recovery LLC | 12 |
1 |
| Aross 3D GmbH | 1 |
1 |
| JUNG, Nadine | 4 |
1 |
| Other owners | 0 |