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LUOYANG SUNRUI SPECIAL EQUIP

Overview
  • Total Patents
    217
  • GoodIP Patent Rank
    7,835
  • Filing trend
    ⇩ 12.0%
About

LUOYANG SUNRUI SPECIAL EQUIP has a total of 217 patent applications. It decreased the IP activity by 12.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, mechanical elements and materials and metallurgy are JIANGSU HUAFEI ALLOY MAT TECH CO LTD, WUXI GETE PREC COLD DRAWN TUBES CO LTD and WUXI XINCHANG STEEL PIPE CO LTD.

Patent filings in countries

World map showing LUOYANG SUNRUI SPECIAL EQUIPs patent filings in countries
# Country Total Patents
#1 China 217

Patent filings per year

Chart showing LUOYANG SUNRUI SPECIAL EQUIPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Song Jianping 34
#2 Gu Hailong 33
#3 Yan Tinglai 28
#4 Jiang Wenying 24
#5 Wang Yong 22
#6 Zheng Na 21
#7 Zhang Daowei 19
#8 Yang Yuqiang 19
#9 Zhang Yongzhao 19
#10 Li Jie 17

Latest patents

Publication Filing date Title
CN112127271A Vertical dynamometry ball-type support with removable dynamometry element
CN112212111A Method for restraining pressure thrust of expansion joint of corrugated pipe by using electromagnetic force
CN112128504A Bellows expansion joint with leak safeguard function
CN112081004A Be used for near field seismic region railway bridge to subtract isolation bearing
CN112199744A Double-curved-surface spherical seismic mitigation and isolation support design method based on horizontal ultimate displacement
CN112012097A Height-adjustable support with adjustable anchoring thickness
CN112032163A Height adjusting device with adjustable anchoring thickness and height adjusting method
CN111963808A Large-diameter straight pipe pressure balance type expansion joint balanced by external pressure corrugated pipe
CN111877146A Dustproof device for bridge support
CN111878660A Bellows expansion joint with shock resistance and vibration reduction functions
CN111877145A Ocean windproof bridge support
CN111877144A Windproof bridge support with elastic connecting device
CN111893370A Preparation method of high-nitrogen double-phase stainless steel for high-humidity and high-heat marine environment
CN111842587A Forming method of pre-strain reinforced corrugated pipe
CN111853409A Corrugated pipe with different deformation strengthening layers
CN111743186A Energy-saving tobacco drying system
CN111810754A Straight pipe pressure balance type expansion joint applied to large-diameter pipeline compensation
CN111664307A Compound expansion joint for petrochemical field
CN111676809A Bridge bearing with replaceable friction pair
CN111619095A External pressure internal reinforced corrugated pipe forming device