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HEFEI HUAQING METAL SURFACE TREAT CO LTD

Overview
  • Total Patents
    18
About

HEFEI HUAQING METAL SURFACE TREAT CO LTD has a total of 18 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets surface technology and coating are SP PK T B ENERGOSTALPROEKT, VNII GRIPPA and NANTONG HENGLONG CHEMICAL ENGINEERING CO LTD.

Patent filings in countries

World map showing HEFEI HUAQING METAL SURFACE TREAT CO LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing HEFEI HUAQING METAL SURFACE TREAT CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Dan Rao 9
#2 Wanqing Liu 9
#3 Rao Dan 7
#4 Liu Wanqing 6
#5 Yang Beibei 3
#6 Songlin Zheng 2
#7 He Yuan 2
#8 Zhan Hualu 2
#9 Cui Yaru 2
#10 Zheng Songlin 2

Latest patents

Publication Filing date Title
CN103525224A Petroleum pipeline inner wall antistatic anticorrosive paint containing magnetic particles
CN103498163A Environment-friendly seawater corrosion inhibitor containing plant extracts and preparation method for environment-friendly seawater corrosion inhibitor
CN103497622A Environment-friendly interpenetrating network anticorrosive coating containing inorganic particles and preparation method thereof
CN103276383A Environmental protection type thread steel surface antirust treatment agent
CN102816508A Water-based normal-temperature-curable peelable paint for safekeeping and protection of instrument and equipment
CN102766383A Water based welding anti-spattering agent for carbon dioxide arc welding
CN102766384A Water based welding anti-spattering agent and preparation method thereof
CN102703891A Rare-earth modified alumium alloy chromium-free passivator for alumium alloy surface treatment
CN102747369A Yellow fume-free aluminium alloy chemical polishing solution and preparation method thereof
CN102653861A Surface treating agent specially used for offshore drilling drill conductor and preparation method thereof
CN102304720A Acidic degreasing liquid for aluminum alloy
CN102277086B Environment-friendly chrome-free fingerprint-resistant treating agent for stainless steel
CN102392250A Novel metal surface polishing agent
CN102304443A Environmental-protection low-sensitization low-toxicity industrial cleaning agent
CN102304444A Environmental-protection water-base cleaning agent for solar-grade silicon wafers
CN102337531A Surface treating agent for automobile body surface coating pretreatment
CN102011117A Environmental-friendly room-temperature steel blackening agent and preparation method thereof
CN101058874A Water-base neutrality steel chromium-free strong passivator