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QIJIANG GEAR TRANS CO LTD

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    47,534
  • Filing trend
    ⇩ 57.0%
About

QIJIANG GEAR TRANS CO LTD has a total of 33 patent applications. It decreased the IP activity by 57.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, machine tools and measurement are WITTKOPP SCOTT H, CAREY CLINTON E and SEO KANGSOO.

Patent filings in countries

World map showing QIJIANG GEAR TRANS CO LTDs patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing QIJIANG GEAR TRANS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lai Yukun 12
#2 Tang Jiegui 8
#3 Ding Fangyue 8
#4 Huang Hongchuan 4
#5 Lu Xueli 4
#6 Chen Mingjian 3
#7 Zeng Qigang 2
#8 Gong Shuwen 2
#9 Cheng Qi 2
#10 Fan Yonggang 2

Latest patents

Publication Filing date Title
CN110985616A Three-cone synchronizer of transmission
CN111055091A High-position machining method for duplicate gear
CN111060252A Rotational inertia test method
CN111069714A Method for aligning gear hobbing of intermediate shaft
CN111043294A Cycloid inner rotor oil pump device for front power takeoff
CN110939736A Twelve-gear transmission with helical teeth and double intermediate shafts
CN111076462A Low cost control system for liquid cooling device
CN110964900A Speed changer gear die pressing quenching method
CN110985619A Integrated planetary mechanism two-gear transmission
CN110986725A Checking fixture for tooth alignment position of spiral teeth of intermediate shaft
CN110906002A Transmission interlocking mechanism
CN109654222A Shifter of transmission
CN109682276A Jackshaft helical tooth is to tooth position detecting tool
CN109780201A Overgear gear conversion equipment
CN109570638A Hobbing method for processing of the jackshaft helical tooth to tooth
CN109676409A Case of transmission mills the tooling of boring processing
CN109594034A The heat treatment method of synchronous gear seat
CN108274986A Oil and electricity hybrid vehicle transmission assembly
CN108412974A It can be used for 4 speed transmission of combined type of hybrid power system and pure electric system simultaneously
CN107906196A A kind of shift control mechanism of speed changer