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QUAN LONGHAO

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    196,945
  • Filing trend
    ⇩ 100.0%
About

QUAN LONGHAO has a total of 25 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1997. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, civil engineering and environmental technology are ZHEJIANG THINK TANK FIRE STOPPER INDUSTRY CO LTD, WERNER & CO FEUERLOESCH and LEROY MOODY LEWIS.

Patent filings in countries

World map showing QUAN LONGHAOs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

Chart showing QUAN LONGHAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Quan Longhao 25
#2 Qu Guangxing 2
#3 Gao Songzi 1

Latest patents

Publication Filing date Title
CN109550171A Non-transformer full-automatic spray Fire Extinguisher Water for combustible
CN106552397A Distributed pointwise is servo-actuated the memory alloy spring temperature control fire-fighting system of spray
CN106641401A Temperature-controlled spraying fire valve capable of compensating memory alloy spring deformation error
CN105771143A Water segregator type multi-channel fire fighting system
CN105582634A Temperature sensing tube system capable of repeatedly opening/closing work
CN104373625A Vertical-type one-inlet multi-outlet type fire spraying valve
CN104006197A Automatic passive fire protection valve for preventing maloperation
CN103961829A Flue fire-fighting system and automatic spraying device
CN103920262A Self-operated cooling and fire-fighting system for wind-driven generator
CN103907451A Cyperus planting and harvesting technology
CN103861231A Mobile firefighting system flexible and convenient to install
CN103672081A Fire valve capable of spraying in manual and automatic mode and system
CN103537037A Multi-point control passive automatic start-stop fire fighting system
CN103503660A Water retention cultivating method
CN103418103A Heat-accumulating type self-powering automatic fire valve
CN103241485A Oil or gas tank cooling and fire fighting system
CN103170076A Miniature automatic fire extinguishing water curtain system
CN103155967A Cyperusesculentus biscuit and preparation method thereof
CN102948306A Method for drought control, water retention and planting
CN102954280A Remote control antifreezing thermostatic valve set