| 1 | 8001 United States patent for appearance efilingAck43385149 | |
| 2 | PCN2205292 Notification of Conformity (Signature and seal) | |
| 3 | 8001 Us appearance patent acceptance form FILING RECEIPT 29801673 IPE-CGPR-2101-DUS | |
| 4 | PCN3212653 Notification of acceptance of patent application（PR-1101) | |
| 5 | PCN3213135 Notification of acceptance of patent application（8001C) | |
| 6 | PCN3213758 Notification of acceptance of patent application（PR-1102) | |
| 7 | PCN3210881 Design patent certificate（8006）-202130114416 | |
| 8 | PCN3210882 Design patent certificate（8005）-202130114314 | |
| 9 | PRZN-20001D Design patent certificate (8001)_2020303324827 | |
| 10 | PRZN-20002D Design patent certificate (8101)_202030472363 | |
| 11 | PRZN-20005D Design patent certificate (8001B)_202030625421 | |
| 12 | PRZN-21002D Notification of acceptance of patent application（8206） | |
| 13 | PRZN-21003D Notification of registration formalities（8101A）_202130260575 | |
| 14 | PRZN-20006D Design patent certificate(8001K)_202030671715 | |
| 15 | PRZN-21003D Notification of acceptance of patent application（8101） | |
| 16 | Utility model (air humidifier)11737401 | |
| 17 | PRZN-20010D Design patent certificate(8104)_202030751356 | |
| 18 | Air purifier fault monitoring software V1 | |
| 19 | Utility model (an intelligent air humidifier)8204358 | |
| 20 | Air purifier air quality measurement and control software V1 | |
| 21 | Intelligent WIFI air purifier control software V1 | |
| 22 | Summary list of r&d patents 20210831 | |
