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CHI WANQING

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    205,315
About

CHI WANQING has a total of 12 patent applications. Its first patent ever was published in 2001. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and mechanical elements are JIANGSU DELI ENVIRONMENTAL PROT ENGINEERING LTD BY SHARE LTD, LIUZHOU WUHUAN WATER HEATING EQUIPMENT BUSINESS DEPT and JIANGSU NANFANG COATING & ENVIRONMENT PROT EQUIPMENT CO LTD.

Patent filings in countries

World map showing CHI WANQINGs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing CHI WANQINGs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Chi Wanqing 12
#2 Zou Yiping 1
#3 Chen Xi 1
#4 Ji Jun 1

Latest patents

Publication Filing date Title
CN104386788A Vortex mixed reaction device
CN104003506A Gas-water dual-use filling material plug flow device
CN103977607A Gas-stripping mud discharging device
CN103933760A Integrated air-water backwashing filter head
CN103585798A Vortex type solid-liquid diversion purification device and sedimentation tank provided with same
CN103495292A Transverse distribution lamella purifier and settling pond with same
CN103486303A Flow-adjustable duckbill valve
CN103446903A Whirl spraying type unimpeded type pipeline mixer
CN103448244A Welding device of honeycomb sloped tube
CN1362566A Filtering board mold and its usage in making filtering board
CN1317452A Overlapped bio-chemical filter
CN1305959A Efficient flocculation separator