Learn more

SUN QINGFENG

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    165,486
About

SUN QINGFENG has a total of 11 patent applications. Its first patent ever was published in 1998. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, mechanical elements and machine tools are SHANDONG LEDE MACHINERY CO LTD, TONGLING JINGWEI FLUID TECH CO and CHONGQING CHUANYI CONTROL VALVE CO LTD.

Patent filings in countries

World map showing SUN QINGFENGs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing SUN QINGFENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sun Qingfeng 11
#2 An Congcong 10

Latest patents

Publication Filing date Title
CN111604490A Manufacturing and processing technology for automobile oil way pipe fitting
CN111230080A Sand shakeout treatment process after sand casting molding
CN111173976A Three-way valve
CN110625099A Manufacturing and processing method of water pump impeller
CN110497226A A kind of water pump end cap periphery hole drilling positioning fixture
CN110553055A Ball valve convenient to installation
CN110541829A industrial sewage pump
CN110576376A Water pump impeller surface finishing treatment method
CN110523960A A kind of pump valve shell cast member surface immediate processing method
CN110425301A A kind of fluid conveying flow control regulating valve
CN1249143A Flavouring and technology for cooking roast chicken with glossy ganoderma