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WAN CHANG

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    122,540
  • Filing trend
    ⇩ 100.0%
About

WAN CHANG has a total of 14 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, environmental technology and medical technology are WATERHEALTH INTERNATIONAL INC, TIANJIN KERUISHENG TECH CO LTD and BUETTNER KLAUS.

Patent filings in countries

World map showing WAN CHANGs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing WAN CHANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wan Chang 14

Latest patents

Publication Filing date Title
CN108125768A A kind of urological department therapeutic device
CN108041719A A kind of isolated apron for urologist
CN108042892A A kind of adjustable anesthesia outfit for medical treatment
CN108187205A A kind of medical Inhalational anesthesia device
CN107265763A One kind is used for biological municipal sewage processing unit
CN107308711A A kind of municipal wastewater handles the filter of energy-conserving and environment-protective
CN107261577A A kind of long-range filter press of buried municipal wastewater processing
CN107326998A A kind of lifting device of municipal wastewater processing
CN107269542A A kind of water pipe exhaust apparatus of municipal wastewater processing
CN106219845A A kind of agricultural is watered flowers and is used sewage-treatment plant
CN106219815A A kind of plant high-concentration waste water high-efficient treatment device
CN106219814A A kind of purification sewage-treatment plant used for aquiculture
CN106140463A A kind of building waste process fast screening devices
CN106148574A A kind of sucrose makes uses stable type draining device