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LIU JEN-CHIH

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    190,088
About

LIU JEN-CHIH has a total of 24 patent applications. Its first patent ever was published in 2000. It filed its patents most often in United States, EPO (European Patent Office) and Germany. Its main competitors in its focus markets mechanical elements, transport and machines are JustRide, KIRSCHEY GERHARD and MBI CO LTD.

Patent filings in countries

World map showing LIU JEN-CHIHs patent filings in countries
# Country Total Patents
#1 United States 14
#2 EPO (European Patent Office) 7
#3 Germany 3

Patent filings per year

Chart showing LIU JEN-CHIHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Jen-Chih 24

Latest patents

Publication Filing date Title
US2017166282A1 Crank assembly of a shaft driven bicycle
US2016305496A1 Control assembly of an internal clutch
US2015323021A1 Quick detaching inner clutch
US2015275988A1 Support assembly for hub for an internal clutch with an external power input mechanism
US2015246709A1 Electromotive auxiliary power assembly for chainless shaft-power-transfer bicycles
US2015192483A1 Torque measuring device for electromotive chainless bicycles
US2015090071A1 Crank assembly of a shaft driven bicycle
US2014118146A1 Intelligence ic lock
EP1995485A1 Simple structural speed differential mechanism
US2008287244A1 Simple structural speed differential mechanism
US2008060898A1 Clutch capable of cushioning forward movement and guarding backward movement
EP1900953A1 Clutch with spring biased forward and backward movement
DE102006021391A1 Gear change device for vehicle e.g., beach vehicle, has drive unit installed with shift fork and cam circuit
US2007259752A1 Differential gear system with a three-step control mechanism
DE102006016526A1 Antislip body for use between external wall of planetary gear and planetary frame, has antislip plate attached at upper outer side of planetary gear and mounted between left and right subframes of planetary frame
DE102006015419A1 Clutch device for e.g. two-wheel vehicle, has clutch toggle controllable through driving fork, and buffer unit installed between clutch toggle and clutch sleeve, where movement of clutch toggle drives clutch sleeve to move
US2007225107A1 Vehicle gear change device
US2007225110A1 Slide-proof structure between an outer wall of planet gear and planet frame of differential mechanism
US2007221464A1 Clutch device with buffer function
EP1366979A1 Fitting type chainless transmission and speed adjustment mechanism of bicycle