Inventor · disambiguated record
Yifan Qiu
Also filed as: QIU YIFAN
6 granted patents·6 pending applications·14 citations·filing 2015–2025
75Inventor score
Files withCARRIER CORP12
Top patents by PatentIndex Score
12 records- 0190US12055143B2Screw compressor with adjustable passageCARRIER CORP·Filed 2020·Granted Aug 6, 2024·7 cites·18 claims
- 0290US11898561B2Direct drive refrigerant screw compressor with refrigerant lubricated rotorsCARRIER CORP·Filed 2020·Granted Feb 13, 2024·2 cites·6 claims
- 0388US11959484B2Direct drive refrigerant screw compressor with refrigerant lubricated bearingsCARRIER CORP·Filed 2020·Granted Apr 16, 2024·2 cites·14 claims
- 0488US2025341213A1Direct drive refrigerant screw compressor with refrigerant lubricated rotorsCARRIER CORP·Filed 2025·Application pending·0 cites
- 0586US10288070B2Screw compressor with oil shutoff and methodCARRIER CORP·Filed 2015·Granted May 14, 2019·3 cites·21 claims
- 0683US12385491B2Direct drive refrigerant screw compressor with refrigerant lubricated rotorsCARRIER CORP·Filed 2023·Granted Aug 12, 2025·0 cites·20 claims
- 0762US2025244058A1Refrigeration systemCARRIER CORP·Filed 2025·Application pending·0 cites
- 0860US2025290514A1Motor cooling in screw compressorsCARRIER CORP·Filed 2025·Application pending·0 cites
- 0959US2025293570A1Compressor motor with a cooling systemCARRIER CORP·Filed 2025·Application pending·0 cites
- 1055US2025264254A1System and method for lubricant management in a heating, ventilation, air conditioning, and refrigeration (hvacr) systemCARRIER CORP·Filed 2025·Application pending·0 cites
- 1153US11959673B2Enhanced method of lubrication for refrigeration compressorsCARRIER CORP·Filed 2018·Granted Apr 16, 2024·0 cites·15 claims
- 1243US2021404720A1Foil bearing lubricationCARRIER CORP·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →