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ZHENGYI FENG

Overview
  • Total Patents
    11
About

ZHENGYI FENG has a total of 11 patent applications. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, thermal processes and civil engineering are SCHMITZ JOHANNES, TABEDZKI KRZYSZTOF and MUST ENERGIE.

Patent filings in countries

World map showing ZHENGYI FENGs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing ZHENGYI FENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhengyi Feng 11
#2 Fei Yan 5
#3 Ning Zhong 5
#4 Zhuo Feng 2
#5 Yunqing Shi 1

Latest patents

Publication Filing date Title
CN101975412A Building integrative heat accumulation and cold accumulation room temperature adjustment device
CN101852492A Telescopic connected high-efficiency dual-purpose water tank
CN101825308A Geothermal paved heating device
CN101818963A Room temperature adjusting device by using water as refrigerant
CN101818939A Water-ground-source heat pump system
CN101387439A Heat pump water box system
CN101358790A Air conditioner installation device and method
CN101225990A Hot-water air conditioner and control method
CN101126531A Air conditioner able to heat water
CN101184960A Air conditioner with heat pump water heater
CN1800732A Air-conditioning water heater used in four seasons