- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 9/40 - Methods of operation thereof; Control of valve actuation, e.g. duration or lift
Patent holdings for IPC class F01L 9/40
Total number of patents in this class: 24
10-year publication summary
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0
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0
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0
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0
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0
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0
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10
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8
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8
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 28582 |
2 |
| Jacobs Vehicle Systems, Inc. | 212 |
2 |
| Jaguar Land Rover Limited | 4390 |
2 |
| Coutts Industries Inc. | 4 |
2 |
| Denso Corporation | 23338 |
1 |
| Ford Global Technologies, LLC | 19702 |
1 |
| Camcon Auto Limited | 18 |
1 |
| C.R.F. Societa Consortile per Azioni | 395 |
1 |
| EMPA Eidgenössische Materialprüfungs-und Forschungsanstalt | 176 |
1 |
| Freevalve AB | 45 |
1 |
| Harbin Engineering University | 101 |
1 |
| PacBrake Company | 20 |
1 |
| L&T Technology Services Limited | 105 |
1 |
| Hedman Ericsson Patent AB | 15 |
1 |
| Vitesco Technologies GmbH | 2372 |
1 |
| Wolfgang Schneider Ingenieurbüro | 3 |
1 |
| Engine Solutions Scandinavia AB | 2 |
1 |
| Weifang Lichuang Electronic Technology Co., Ltd. | 8 |
1 |
| Aisin Corporation | 1164 |
1 |
| China FAW Co., Ltd. | 617 |
1 |
| Other owners | 0 |