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DALIAN NORTH INSTRUMENT TRANSF GROUP CO LTD

Overview
  • Total Patents
    58
  • GoodIP Patent Rank
    25,629
  • Filing trend
    ⇧ 450.0%
About

DALIAN NORTH INSTRUMENT TRANSF GROUP CO LTD has a total of 58 patent applications. It increased the IP activity by 450.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, machines and measurement are SUZHOU HANWEI ELECTRICAL SCIENCE & TECH CO LTD, DALIAN NO 2 INSTRUMENT TRANSF GROUP CO LTD and MESSWANDLER BAU GMBH.

Patent filings in countries

World map showing DALIAN NORTH INSTRUMENT TRANSF GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 58

Patent filings per year

Chart showing DALIAN NORTH INSTRUMENT TRANSF GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Taochang 47
#2 Wang Rentao 42
#3 Guan Yongqiu 22
#4 Jin Zhongchao 20
#5 Gao Qi 18
#6 Gao Qingli 17
#7 Ou Xitang 15
#8 Zhao Ridong 13
#9 Wang Cheng'En 13
#10 Liu Liwei 13

Latest patents

Publication Filing date Title
CN112201442A Sealing structure of secondary end of current transformer
CN112233897A Transformer core winding device with automatic size measurement function and method
CN112048742A Method for plating silver on surface of current transformer wiring board
CN112103080A Method for fixing interlayer insulating paper of primary winding of voltage transformer
CN112014662A Current transformer test device with vacuum arc extinguish chamber
CN111933447A Method for winding primary winding of voltage transformer coil
CN111391195A Later curing process for epoxy resin vacuum pouring
CN111341545A Manufacturing process of transformer iron core
CN111312470A C-shaped iron core fixing device of voltage transformer
CN111300759A Application of polytetrafluoroethylene material in epoxy resin APG (amorphous polypropylene) die
CN111363301A Application of novel material in transformer mold industry
CN111236128A Cleaning device applied to forklift
CN111186059A One-time castable tool rack for molding multiple products
CN110797178A Current transformer primary winding fastening device
CN110774391A Lengthened and reinforced woodworking bench saw protective cover
CN110444377A A kind of voltage transformer primary coil high-tension shielding apparatus and preparation method thereof
CN110376494A A kind of device for voltage transformer test
CN109767897A Voltage transformer coil first winding and its winding method
CN109755080A A kind of voltage transformer secondary fuse protective device and preparation method thereof
CN109483797A A kind of mutual inductor rubber injection mold