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CHANGTONG TECHNOLOGY CO LTD

Overview
  • Total Patents
    35
  • GoodIP Patent Rank
    45,348
About

CHANGTONG TECHNOLOGY CO LTD has a total of 35 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets transport are INT TRANSQUIP IND INC, MARCHESINI LUIGI and ETIENNE SEGUIN.

Patent filings in countries

World map showing CHANGTONG TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 35

Patent filings per year

Chart showing CHANGTONG TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport

Focus technologies

Top inventors

# Name Total Patents
#1 Tian Qingfeng 35

Latest patents

Publication Filing date Title
CN104627157A Three-gear change-over switch for relay valve
CN104627156A Three-level pressure transformation relay valve and three-level pressure transformation relay valve kit thereof
CN104401313A Two-stage and three-stage snub brake main valve provided with filter screen and retarder for Dawei series
CN104401318A Delong-series secondary and third snub brake master valve with filter mesh and retarder
CN104386050A Valve element filter net for brake valve
CN104442788A Second-level and third-level inching braking master valve with filtering screen for Aowei series
CN104386054A Two-stage snub braking structure and three-stage snub braking structure provided with filter screens and used on Dongfeng 153
CN104386051A HOWO braking main valve with filter net
CN104401314A Delong-series secondary and third snub brake master valve with filter mesh
CN104401319A Brake main valve of Jiefang 151 belt filter screen
CN104386053A Secondary and third snub braking main valve provided with filter screen and retarder and used for Aowei series
CN104386052A North-benz braking main valve with decelerator and filter net
CN104386055A Main braking valve with decelerating and filtering screen for Jianghuan vehicles
CN104401311A Jianghuai main brake valve provided with filter screen
CN104401307A Hanwag main brake valve provided with retarder and filter screen
CN104401312A Jiefang 141 main brake valve provided with filter screen
CN104401317A Five-hole two-stage and three-stage snub brake main valve provided with filter screen for Deron series
CN104401315A Two-stage and three-stage snub brake main valve provided with filter screen for Dongfeng 140
CN104401316A Two-stage and three-stage snub brake main valve provided with filter screen for Dawei series
CN104192128A Jiefang151 two-stage/three-stage inching brake master valve