Multi-split air conditioning system and method and device for controlling oil return of the multi-split air conditioning system
US-2021148615-A1 · May 20, 2021 · US
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Bu Qihui patents
Bu Qihui is listed as an inventor on 6 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Bu Qihui |
| Total patents | 6 |
| First publication | Sep 28, 2017 |
| Latest publication | May 20, 2021 |
Notable patents
Publications ranked by popularity score, then publication date.
Method and device for unlocking air conditioning unit and server
US-10614642-B2 · Apr 7, 2020 · US
Method and device for unlocking air conditioning unit and server
US-2019236871-A1 · Aug 1, 2019 · US
Enhanced vapor injection air conditioning system
US-10260780-B2 · Apr 16, 2019 · US
Multi-connected system and control method thereof
US-2019056139-A1 · Feb 21, 2019 · US
Enhanced vapor injection air conditioning system
US-2017276407-A1 · Sep 28, 2017 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Gd Midea Heating & Ventilating Equipment Co Ltd | 6 |
| Midea Group Co Ltd | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.