- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01L - Cyclically operating valves for machines or engines
- F01L 1/28 - Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of coaxial valvesValve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of valves co-operating with both intake and exhaust ports
Patent holdings for IPC class F01L 1/28
Total number of patents in this class: 31
10-year publication summary
|
2
|
5
|
7
|
1
|
3
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0
|
2
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0
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0
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Volvo Truck Corporation | 3418 |
8 |
| Quest Engines, LLC | 31 |
5 |
| Knob Engines s.r.o. | 6 |
2 |
| Sturman Digital Systems, LLC | 41 |
2 |
| Czech Technical Univerzity in Prague, Faculty of Mechanical Engineering, Josef Božek Research Centre | 2 |
2 |
| Ford Global Technologies, LLC | 20605 |
1 |
| Raytheon Sarcos, LLC | 25 |
1 |
| Continental Automotive GmbH | 4775 |
1 |
| Beijing Rostar Technology Co. Ltd | 15 |
1 |
| Cummins Inc. | 2590 |
1 |
| MAN Diesel & Turbo, Filial af MAN Diesel & Turbo SE, Tyskland | 35 |
1 |
| TSR Technologies, L.L.C. | 1 |
1 |
| Oaktec Power Limited | 1 |
1 |
| GETAS Gesellschaft für thermodynamische Antriebssysteme mbH | 15 |
1 |
| Cereus Technology B.V. | 4 |
1 |
| Vitesco Technologies GmbH | 2604 |
1 |
| Adiyaman Universitesi | 1 |
1 |
| Other owners | 0 |