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TIE RONGJUN

Overview
  • Total Patents
    12
About

TIE RONGJUN has a total of 12 patent applications. Its first patent ever was published in 1990. It filed its patents most often in China, Canada and EPO (European Patent Office). Its main competitors in its focus markets transport and mechanical elements are YANGZHOU DONGFANG SUPPORT HANGERS CO LTD, CHINA RAILWAY HIGH SPEED ELECTRIFICATION EQUIPMENT CORPORATION LTD and DIATTO ALFREDO.

Patent filings per year

Chart showing TIE RONGJUNs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Mechanical elements

Focus technologies

# Technology
#1 Power supply for electric vehicles
#2 Pipes
#3 Springs

Top inventors

# Name Total Patents
#1 Tie Rongjun 9
#2 Tie Rongkang 8
#3 Wu Liqun 7
#4 Tie Guanghong 3
#5 Wu Chengchen 3
#6 Rongjun Tie 3
#7 Tie Guangzhi 2
#8 Rongping Tie 2
#9 Vu Likun 1
#10 Tie Rongping 1

Latest patents

Publication Filing date Title
CN103407382A Stepless adjustment tensioning device
CN103363043A Belt-transmission elasticity tensioner
CA2629334A1 A constant strain spring compensation device
RU2428330C2 Spring compensator of contact system constant tension
CN1170100A Constant disc spring compensator
CN1073401A Automatic tension compensator for contact network of electrified railroad
CN1065919A Constant-force disk spring support hanger
CN1057894A Variable disc spring bearing hanger