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XU ZHENGCHANG

Overview
  • Total Patents
    49
  • GoodIP Patent Rank
    30,757
About

XU ZHENGCHANG has a total of 49 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines, civil engineering and agriculture are REN YUNHAI, YOU ZHIQIANG and WU RUQIN.

Patent filings in countries

World map showing XU ZHENGCHANGs patent filings in countries
# Country Total Patents
#1 China 49

Patent filings per year

Chart showing XU ZHENGCHANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Changzheng 40
#2 Xu Zhengchang 7

Latest patents

Publication Filing date Title
CN105570007A Safe and energy-saving electromagnetic machine for air oxygenation
CN105570011A Efficient energy-saving safe aeration machine
CN105697321A Vacuum pumping braking boosting energy-saving device
CN105570065A Vacuum pumping braking boosting energy-saving device
CN105570064A Vacuum pumping efficient and energy-saving device
CN105649942A Energy-saving vacuum pumping braking assistance electromagnetic device
CN105570005A Electromagnetic efficient energy-saving machine for air oxygenation
CN105570063A Vacuum pumping braking boosting energy-saving and environment-friendly device
CN105557619A Safe oxygen aeration energy-saving safety machine
CN105697322A Boosting braking vacuum device
CN105557618A Energy-saving efficient oxygenation electromagnetic machine
CN105570012A Efficient safe aeration energy-saving machine
CN105715503A Energy-saving electromagnetic vacuumizing brake booster device
CN105604891A Safe oxygenation energy saving machine
CN105570006A Efficient and energy-saving electromagnetic machine for air oxygenation
CN105570008A Efficient energy-saving machine for air oxygenation
CN105649944A Brake-boosting vacuumizing energy-saving device
CN105649943A Electromagnetic, efficient and energy-saving vacuum pumping device
CN105570010A Efficient energy-saving safe aeration machine
CN105570062A Vacuum pumping efficient and energy-saving electromagnetic device