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FENG ZHENGYI

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    174,501
  • Filing trend
    ⇩ 66.0%
About

FENG ZHENGYI has a total of 20 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 1995. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Republic of Korea. Its main competitors in its focus markets thermal processes, environmental technology and engines, pumps and turbines are KAELBERER STEFAN, ATLANTIC CLIMATISATION ET VENTILATION and FRANCE AIR.

Patent filings in countries

World map showing FENG ZHENGYIs patent filings in countries

Patent filings per year

Chart showing FENG ZHENGYIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Feng Zhengyi 19
#2 Yan Fei 4
#3 Zhong Ning 4
#4 Feng Zhuo 4
#5 Yang Jianliang 2
#6 Shen Sheng 2
#7 Ke Shijie 1
#8 Ao Li Jia 1
#9 Zhengyi Feng 1
#10 Zhang Yufeng 1

Latest patents

Publication Filing date Title
CN111637651A Method and device for acquiring and releasing condensation heat of underground heat exchange tube
CN111473410A Ground source self-circulation heat pipe coupling air conditioner
CN108917055A Ground-source heat-pipe self-circulation type builds cooling/warming system
CN109520047A Air-source air conditioner
CN108344034A Refrigerant heat transfer capillary network component and energy system
CN108344083A Air conditioner with heat pump water heater
CN105042937A Energy conversion system based on metal microporous pipeline network
CN105987460A Capillary network assembly adopting refrigerants for heat transfer
CN102589071A Super-heat-conduction-transmission cooling and heating device
US2014283541A1 Building built-in air conditioning system
WO2013007031A1 Hot and cold water composite air-conditioner
WO2006128349A1 Heat pump type hot water air conditioner
CN1369672A Full-automatic gas boiler for heating and bathing
CN1165098A Refrigeration air conditioner without compressor for can (ship) use and allocation method
CN1141411A Arrangement and method for central heating system