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CRRC CHANGZHOU TECH-MARK IND CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    97,303
  • Filing trend
    ⇧ 100.0%
About

CRRC CHANGZHOU TECH-MARK IND CO LTD has a total of 17 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, transport and measurement are ZHENJIANG RUNZHOU COUPLING FACTORY, AKTSIONERNOE OBSHCHESTVO TERMOSTOJKIE IZDELIYA I INZHENERNYE RAZRABOTKI AO TIIR and RFPC HOLDING CORP.

Patent filings in countries

World map showing CRRC CHANGZHOU TECH-MARK IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing CRRC CHANGZHOU TECH-MARK IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Du Liqing 4
#2 Mei Zhuomin 4
#3 Chen Bingwei 4
#4 Zhu Junhua 4
#5 Han Hongwen 3
#6 Gou Qingbing 3
#7 Bao Chunguang 3
#8 Wang Xianlong 3
#9 Yu Yang 2
#10 Huo Wei 2

Latest patents

Publication Filing date Title
CN111207169A Rail vehicle with parking brake cylinder
CN111185742A Assembling table and assembling method for coupler buffer device
CN106840632A A kind of detection means and detection method of high-speed train braking nipper units
CN106523556A Vehicle unit brake cylinder
CN106763309A Vehicle band parks brake rigging
CN107035796A The hand relieving device of storing cycle cylinder
CN106763330A Train brake plate
CN106763342A Storing cycle cylinder
CN106641038A Shaft-mounted brake disc
CN106481701A A kind of checking cylinder of the power of having enlarging function
CN106641042A Brake clamp unit capable of recognizing lever deformation
CN106476765A A kind of Universal base tread sweeping device
CN106638188A Bidirectional universal tread cleaning device
CN106274969A A kind of unit brake cylinder parking brake mechanism
CN106151322A Axle-mounted brake disk
CN105783638A Coupler buffer installation seat detection device