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CHONGQING GEARBOX CO LTD

Overview
  • Total Patents
    167
  • GoodIP Patent Rank
    12,536
  • Filing trend
    ⇧ 37.0%
About

CHONGQING GEARBOX CO LTD has a total of 167 patent applications. It increased the IP activity by 37.0%. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets machine tools, mechanical elements and measurement are NFAIC HIGH PRECISION TRANS CO LTD, GUIZHOU QUNJIAN PREC MACHINE CO LTD and WUXI LINKCO MACHINERY MFG CO LTD.

Patent filings in countries

World map showing CHONGQING GEARBOX CO LTDs patent filings in countries
# Country Total Patents
#1 China 167

Patent filings per year

Chart showing CHONGQING GEARBOX CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tang Yun 13
#2 Que Hongjun 11
#3 He Dong 11
#4 Ran Zhende 10
#5 Gao Defang 10
#6 Jin Jingli 10
#7 Song Shaofeng 10
#8 Du Muxin 10
#9 Li Qiang 10
#10 Zhao Yun 9

Latest patents

Publication Filing date Title
CN112276571A Inclined hole machining method
CN112254619A Axial clearance adjusting device of roller bearing for gear box
CN112113764A Single track gear box axle load test device
CN112145525A Auxiliary device for bonding split sealing ring and bonding method
CN112082681A Stress-free installation method for wind power main gearbox
CN112013097A Design method of double-mode main driving gear box of shield tunneling machine and gear box
CN111644803A Bearing hole repairing tool and repairing method
CN111593181A Clamping tool for workpiece shot peening strengthening test piece
CN111677869A Split type magnetic sealing device
CN111638313A Method for detecting quality of steel ingot
CN111283479A Motion precision compensation method for large-scale boring and milling machine
CN111173891A Bevel gear box and box body thereof and mounting and adjusting method of bevel gear box
CN111137308A Single-rail driving unit
CN111112955A Multi-split-flow split type box body and processing method thereof
CN110961876A Machining method of two half type gear rings
CN111046512A Planetary gearbox bolt analysis method
CN110904306A Part hole shrinkage method and part hole shrinkage tool
CN110941885A Gearbox vibration analysis method
CN110883517A Method for replacing rear bearing of low-speed large gear by opening box on fan tower
CN110701978A Conical surface thickness dimension measuring device and method