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| 2021/0363,912 | HEAVY FUEL ROTARY ENGINE WITH COMPRESSION IGNITION | Dec 28, 20 | Nov 25, 21 | Rotary Research Group LLC |
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| 2018/0306,098 | Stoichiometric High-Temperature Direct-Injection Compression-Ignition Engine | Jun 25, 18 | Oct 25, 18 | Not available |
| 2018/0238,225 | SYSTEMS AND METHOD FOR CONTROLLING AUTO-IGNITION | Feb 06, 18 | Aug 23, 18 | Not available |
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| 2016/0252,031 | CONTROL DEVICE FOR COMPRESSION IGNITION-TYPE ENGINE | Oct 23, 14 | Sep 01, 16 | MAZDA MOTOR CORPORATION |
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