Learn more

ZHEJIANG AMA & HIEN TECH CO LTD

Overview
  • Total Patents
    34
  • GoodIP Patent Rank
    45,546
  • Filing trend
    ⇧ 120.0%
About

ZHEJIANG AMA & HIEN TECH CO LTD has a total of 34 patent applications. It increased the IP activity by 120.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets thermal processes, environmental technology and consumer goods are KOOL FIRE LTD, JIANGSU TENESUN ELECTRICAL APPLIANCE CO LTD and GUANGDONG WOTECH NEW ENERGY TECH CO LTD.

Patent filings in countries

World map showing ZHEJIANG AMA & HIEN TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 34

Patent filings per year

Chart showing ZHEJIANG AMA & HIEN TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huang Yuangong 26
#2 Qiu Chunwei 6
#3 Wu Guangchen 4
#4 Zheng Danqing 4
#5 Huang Daode 3
#6 Shen Liming 3
#7 Zhou Xiaozhong 2
#8 Ou Gang 1
#9 She Han 1
#10 Ao Jianfeng 1

Latest patents

Publication Filing date Title
CN112050498A Defrosting method for heat pump unit
CN111964307A Air source heat pump
CN111664608A Air source heat pump with heat radiation structure
CN111425978A Energy supply device of two-combined-supply system and control method thereof
CN110671841A CO with multi-end low-temperature heat energy efficiently utilized2Transcritical air source heat pump system
CN110715448A Control method of heating pressure-bearing system
CN110411064A A kind of soil source heat pump device
CN110439808A A kind of rotor and the coupling compressor that is vortexed
CN110094908A Air source heat pump exits the control method of defrost
CN110030730A A kind of indoor unit and installation method of air-heater
CN110057172A A kind of Integral air source heat pump drying device
CN109900027A Air source heat pump antifreeze control method
CN109458655A Air source heat pump household heating system
CN109237583A A kind of air source heat pump central heating system and control method
CN109114806A A kind of air source water heater and its Defrost method
CN108775727A A kind of cooling cycle system
CN108562080A A kind of air source heat pump intelligent defrosting system
CN109059374A A kind of air source heat pump defrosting control method
CN108592615A A kind of air source heat pump dehumidifier and dehumidification system and dehumanization method with it
CN108443955A A kind of indoor unit of vertical air-heater