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CHANGJIANG RUNFA MACHINERY CO LTD

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    173,509
About

CHANGJIANG RUNFA MACHINERY CO LTD has a total of 25 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets machine tools, packaging and shipping and mechanical elements are TIANJIN JINYANG METAL PROD CO LTD, KUNSHAN FEIPENG METAL IND CO LTD and Ningbo ouling elevator components co ltd.

Patent filings in countries

World map showing CHANGJIANG RUNFA MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

Chart showing CHANGJIANG RUNFA MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Xiaoying 15
#2 Qiu Jiangwei 14
#3 Ge Chunhua 12
#4 Jiang Tiehu 9
#5 Jiangwei Qiu 8
#6 Ni Longjiang 6
#7 Qiqin Qiu 5
#8 Xiaqiu Yu 4
#9 Jiang Li 3
#10 Bin Lu 2

Latest patents

Publication Filing date Title
CN106185538A A kind of for high speed, the cage guide fixture of high rise elevator car
CN106144837A A kind of for high speed, the cage guide fixed component of high rise elevator car
CN106115461A A kind of suspender for high accuracy guide rail
CN105300281A Elevator guide rail laser image automatic detection device
CN104759494A Precise straightening machine for elevator rail
CN104772649A Automatic rotary centering device for double housing planer guide rail
CN104858617A Super-high-speed elevator guide rail production process
CN104370117A Guide rail automatic stacking machine
CN103817494A T-shaped guide rail automatic machining process
CN103264095A Continuous punching and shearing machine
CN103395671A Leaf plate concave damping anti-sliding guide rail
CN103264942A Convex damping antislip guide rail with blade plate
CN103420250A Closed-type guide rail
CN103418642A Elevator guide rail precision leveler
CN102689605A Steel-aluminum composite contact rail and manufacturing method thereof
CN102689223A Automatic logistic conveying device for machining end face of lift guide rail
CN102688913A Automatic fine straightening device of elevator guide rails
CN102642131A Manufacturing and machining equipment used for hollow guide rail
CN102641817A Non-processed surface leaf plate painting device of elevator guide rail
CN102335838A Workpiece clamping detection method and device for machine tool