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DEQIANG LI

Overview
  • Total Patents
    28
About

DEQIANG LI has a total of 28 patent applications. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are MODZKOVDZKIYI INDZTITUT INZNEN, TIKHONENKO A V and CT DE CERCETARI SI PROIECTARI.

Patent filings in countries

World map showing DEQIANG LIs patent filings in countries
# Country Total Patents
#1 China 28

Patent filings per year

Chart showing DEQIANG LIs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Deqiang Li 28

Latest patents

Publication Filing date Title
CN101474791A Mechanical finger structure for digital automatic spring coiling machine
CN101462690A Spring conveying apparatus of full-automatic combined adhering machine
CN101530886A Device for preventing torque force overload for full automatic spring coiling machine
CN101456529A Mechanism for automatic controlling swing up and down of quilting machine head
CN101474691A Multifunctional high-efficient shearing device
CN101456053A Servo control pitch forming mechanism of automatic spring coiling machine
CN101456052A Servo forming mechanism of automatic spring coiling machine
CN101456054A Spring automatic cutter of automatic spring coiling machine
CN101229909A Automatic turning device of mattress buttoning machine
CN101200277A Compression-spring device of high-speed packing machine
CN101199977A Damping device of mattress button tacking machine
CN101200278A Automatic heat treating apparatus for separate packed spring
CN101186964A A kind of bat spring device of high-speed packing machine
CN101200276A Mattress impacting device of mattress buttoning machine
CN1986934A Conveying belt installing structure for automatic turning hemmer
CN1962992A Main shaft drive mechanism of quilting machine
CN1962406A Compressed spring mechanism for sacked spring machine
CN1962407A Spring-delivery division mechanism for sacked spring machine
CN1832080A Temp-control switch
CN1851257A Impact closed wave energy collecting machine