Yunliang LIU

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CHANGSHA, CN

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Patents Grantslast 30 patents

Information Patent Grant
Treatment process and device for submerged lifting circulation type...
- Patent number 11,420,888
- Issue date Aug 23, 2022
- HUNAN SCIENTOP AUTOMATIC EQUIPMENT SHARES CO. LTD
- Shen Wang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Crawler-type automatic vending machine and automatic vending method...
- Patent number 10,387,859
- Issue date Aug 20, 2019
- Shen Wang
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
TREATMENT PROCESS AND DEVICE FOR SUBMERGED LIFTING CIRCULATION TYPE...
- Publication number 20200369543
- Publication date Nov 26, 2020
- HUNAN SCIENTOP AUTOMATIC EQUIPMENT SHARES CO. LTD
- Shen WANG
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
CRAWLER-TYPE AUTOMATIC VENDING MACHINE AND AUTOMATIC VENDING METHOD...
- Publication number 20190172032
- Publication date Jun 6, 2019
- HUNAN SCIENTOP AUTOMATIC EQUIPMENT SHARES CO.LTD
- Shen WANG
- G06 - COMPUTING CALCULATING COUNTING