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SHANDONG WEIDA MACH CO LTD

Overview
  • Total Patents
    85
  • GoodIP Patent Rank
    54,765
About

SHANDONG WEIDA MACH CO LTD has a total of 85 patent applications. Its first patent ever was published in 2001. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machine tools, machines and mechanical elements are JACOBS CHUCK MFG CO, JACOBS CHUCK TECH CORP and POWER TOOL HOLDERS INC.

Patent filings per year

Chart showing SHANDONG WEIDA MACH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tan Xingda 17
#2 Yang Guimo 17
#3 Li Yanzhao 12
#4 Qiao Wenzhang 12
#5 Li Guijie 12
#6 Zhou Zexin 10
#7 Cai Mingquan 9
#8 Liu Cong 7
#9 Wei Ningbo 6
#10 Zhang Jixiang 5

Latest patents

Publication Filing date Title
CN111633226A Multipurpose drill chuck capable of clamping corner wrench type tools
CN110144436A The laser-quenching method of clamping jaw
CN110064776A Electric drill
CN110064954A Drill chuck and electric drill with it
WO2019223670A1 Gripper assembly and drill chuck
CN110064782A A kind of included impact function collet
CN109848455A A kind of self-locking clamping chuck of drill bit
CN110005690A Locking quick change nut
CN109454252A The clamping device and collet of collet
WO2020000905A1 Drill chuck
WO2019184178A1 Cooling chuck
CN108543962A A kind of drill chuck
CN108526503A A kind of clip claw assembly and drill chuck
CN108506318A Fast nut
CN108317151A A kind of anti-self-tightening quick change nut
CN106763082A A kind of quick change nut
CN105345100A Lock-carried hand-tight drill chuck capable of releasing deformation force
CN104942323A Noiseless self-locking drill chuck
CN104827039A Powder metallurgy pneumatic rock drill spiral nut and machining technology thereof
CN104801792A Wedged cylindrical helical positioned feeder