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SJS LTD

Overview
  • Total Patents
    72
  • GoodIP Patent Rank
    28,063
  • Filing trend
    ⇧ 66.0%
About

SJS LTD has a total of 72 patent applications. It increased the IP activity by 66.0%. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, control and basic materials chemistry are JKS BOYLES INTERNATIONAL INC, SOLUTION SEEKER AS and APS TECH INC.

Patent filings in countries

World map showing SJS LTDs patent filings in countries
# Country Total Patents
#1 China 72

Patent filings per year

Chart showing SJS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zou Gang 28
#2 Zhou Xin 21
#3 Tang Jun 17
#4 Yang Xiaocheng 17
#5 Zhao Junfeng 15
#6 Wang Chuanhong 12
#7 Tan Lianxiang 9
#8 Liang Yun 8
#9 Lu Gang 7
#10 Li Xiong 7

Latest patents

Publication Filing date Title
CN112147926A Centralized control system and control method for wellhead gas recovery device
CN112031729A Mud-proof toe end sliding sleeve
CN112032562A Liquid nitrogen pump truck dual-operation system based on PLC control
CN112145142A Three-dimensional deployment system of fracturing well site
CN112099540A Sand concentration control method based on stepping type single neuron PID control algorithm
CN112031698A Combined type anchoring slip
CN111818762A Explosion-proof converter of intelligence malleation
CN111766831A Intelligent control system and method for electric submersible pump
CN111677478A Full-soluble bridge plug
CN111101889A Light metal fast drilling bridge plug
CN110735611A air-tight seal packer sealing assembly
CN110735610A soluble pressing plug
CN110244651A A kind of nearly long-range whole process control system of cementing equipment
CN110045697A A kind of multi-platform pressure break equipment centralized control method
CN109931254A A kind of fracturing pump maintenance rule settings system of continuous variable working condition
CN109796956A A kind of electricity drives fracturing fluid continuously mixed sledge
CN109886720A Pressure break equipment lease charging method, equipment and storage equipment based on Internet of Things
CN108915631A A kind of double packing element open hole packers of combined type
CN108894749A A kind of screw thread is given up solvable bridge plug
CN108104765A A kind of solvable bridge plug of single deck tape-recorder whole pottery