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KANG QINGGANG

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    156,482
  • Filing trend
    ⇩ 50.0%
About

KANG QINGGANG has a total of 15 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, chemical engineering and environmental technology are SHULYATIKOV VLADIMIR IGOREVICH, FRITZ ZIMMERMANN and SCHRAMM INC.

Patent filings in countries

World map showing KANG QINGGANGs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing KANG QINGGANGs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Kang Qinggang 15

Latest patents

Publication Filing date Title
CN110513070A Turnover plate type down-hole oil tube liquid controlled blowout preventing device
CN110566450A Hydraulic control blowout preventer for pump oil pipe
CN109779562A Down-hole oil tube liquid controlled blowout preventing device
CN109098689A Energy saving and environment friendly leather cup pressure release type hot wash not pressure oil layer device
CN108049851A High concentration mother liquor dilution mixing and relative molecular mass control device
CN107673419A High-speed jet self-cleaning filter device
CN104265234A Constant-pressure classified deblocking packer
CN104196502A Sand-preventing eccentric water distributor
CN104196505A Layered injection device for chemical flooding
CN104196499A Flow plug for chemical flooding stratified injection
CN103821479A Device not pressing oil reservoir during thermal washing of mechanical producing well
CN103541700A Reverse seal type eccentric water distributor
CN103405955A Novel filter and tandem-type filter comprising the novel filters
CN1828062A Pump with polytetrafluoroethylene or F46 inner coating and method for processing the coating
CN1834523A Internal mending orifice joint of polytetrafluoroethylene welded pipeline