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CHANGCHUN EQUIPMENT & TECHNOLOGY RES INST

Overview
  • Total Patents
    32
  • GoodIP Patent Rank
    137,881
About

CHANGCHUN EQUIPMENT & TECHNOLOGY RES INST has a total of 32 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets machine tools, measurement and environmental technology are YASUHARA KK, KINGTEC IND CO LTD and UWAVE KK.

Patent filings in countries

World map showing CHANGCHUN EQUIPMENT & TECHNOLOGY RES INSTs patent filings in countries
# Country Total Patents
#1 China 32

Patent filings per year

Chart showing CHANGCHUN EQUIPMENT & TECHNOLOGY RES INSTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guo Bo 18
#2 Nie Fengming 18
#3 Wu Huan 17
#4 Lu Zhengyu 17
#5 Wu Qingtang 17
#6 Xiu Dong 17
#7 Wei Wei 16
#8 Hu Baogong 16
#9 Duan Xuejun 16
#10 Kang Zhan 16

Latest patents

Publication Filing date Title
CN105259176A Tool abrasion detector
CN105291424A Matching machine
CN105241391A Device for interference detection device of surface precision of large-diameter concave aspheric lens
CN104390624A Inclined circular cone angle horizontal rotary measuring method
CN104266848A Wheel optimizing machine
CN104326309A Variable tension adjustment and control device capable of being used for precision winding of optical fiber
CN104261200A Dancer detecting mechanism capable of achieving variable-tension adjustment and control
CN104390530A Shell positioning clamp
CN104384549A High-precision drilling machining method and technology for single-tube hole expanding of inner hole of crawler plate
CN104289741A Device for highly-precisely machining inner hole in track shoe through single pipe reamer
CN104034215A Fuze rotary demounting device for small-caliber aircraft projectiles
CN104044026A Grinding device for intersection of circular conical surface and cylindrical surface of valve opening of pump body of monoblock pump
CN103630065A High-precision cylindrical sleeve inner wall closed special-shaped curved slot detecting device
CN103624305A Device for processing high-accuracy cylinder sleeve inner wall closed special-shaped curved groove
CN103645677A High-precision cylinder sleeve inner wall enclosed special-shaped curve groove processing method
CN103617312A Fast accurate photoelectric axis system balancing system
CN103398677A Lag angle precision detection device capable of adjusting height of feeder line
CN103358231A Aspheric grinding surface figure accuracy high-efficiency on-line measurement method for middle-large-aperture optical element
CN103331671A Point-line envelope grinding method applied to medium/large-aperture aspheric optical element
CN103148202A Back-clearance-free transmission method for large high-precision rotating disc