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HUNAN HUAPIN RAIL TRANSIT CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    91,329
  • Filing trend
    ⇩ 78.0%
About

HUNAN HUAPIN RAIL TRANSIT CO LTD has a total of 18 patent applications. It decreased the IP activity by 78.0%. Its first patent ever was published in 2017. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets transport, electrical machinery and energy and civil engineering are CHINA RAILWAY HIGH SPEED ELECTRIFICATION EQUIPMENT CORPORATION LTD, THOMPSON SILVANUS PHILLIPS and DUDDELL WILLIAM DU BOIS.

Patent filings in countries

World map showing HUNAN HUAPIN RAIL TRANSIT CO LTDs patent filings in countries

Patent filings per year

Chart showing HUNAN HUAPIN RAIL TRANSIT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zeng Jian 17
#2 Deng Maotao 16
#3 Jiang Xingzhen 16
#4 Li Guihang 10
#5 Yang Yilin 5
#6 Wei Hongwei 3
#7 Wang Jijian 3
#8 Chen Shanle 3
#9 Li Qian 3
#10 Yu Sufen 3

Latest patents

Publication Filing date Title
CN111332158A Sectional insulator and contact rail system
CN108454464A A kind of conductor rail deicing system
CN107985128A A kind of C-shaped conductor rail insulation support device and its installation method
CN108116273A A kind of side is by stream section insulator
CN107791889A Contact line positioning supports device and contacts net loaded support system
CN107476185A A kind of loading end method for arranging of direction of travel jointless
CN107338691A One kind draws rail device
CN107512201A A kind of track switch conductor rail arranges installation method
CN107310431A A kind of telescopic connector
CN107234986A A kind of C-shaped conductor rail anchor
CN107171080A A kind of conductor rail arrangements of electric connection
CN107244266A A kind of conductor rail end bends buffer insulation device
CN107020975A A kind of mounting bracket for contact net seal
CN106992417A A kind of joint for connecting conductor rail
CN106965817A A kind of suspension type monorail conductor rail system installs car
US2019118672A1 A power rail expansion joint without expansion gap
CN106965709A A kind of insulation support device and its installation method