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SHANGHAI LONGYU ELEVATOR FITTINGS CO LTD

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    128,496
About

SHANGHAI LONGYU ELEVATOR FITTINGS CO LTD has a total of 25 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets packaging and shipping, mechanical elements and measurement are OTTO OHNESORGE DIPL ING, ITL KK and XU YAZHEN.

Patent filings in countries

World map showing SHANGHAI LONGYU ELEVATOR FITTINGS CO LTDs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

Chart showing SHANGHAI LONGYU ELEVATOR FITTINGS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Hao 8
#2 Wang Yesong 3
#3 Feng Guanggui 3
#4 Yi Shuqiang 2
#5 Yin Pinpin 2
#6 Xu Fei 2
#7 Liu Shenzhen 2
#8 Lu Keqiang 1
#9 Zhang Xuedao 1
#10 Zhang Bing 1

Latest patents

Publication Filing date Title
CN111434947A High-efficient worm gear speed reducer machine
CN111434954A Two-stage worm gear and helical gear transmission speed reducer
CN111376074A Clamping tool for traction machine base
CN111376075A Clamping tool for machining safety tongs arm
CN111380643A Static braking force detection device for safety gear
CN111377326A Mechanical trigger mechanism of speed limiter
CN111380636A Overspeed governor presss from both sides rope piece spring force value testing arrangement
CN111377329A Centrifugal trigger mechanism for high-speed elevator speed limiter
CN111377328A High stability elevator overspeed governor of two-stage braking
CN111377330A Elevator speed limit tester
CN111377335A Mechanical braking mechanism of speed limiter for high-speed elevator
CN111377331A Electric braking mechanism of speed limiter for high-speed elevator
CN111377327A Overspeed governor deceleration test tower
CN102950417A Eccentric knurling machine
CN102954870A Multifunctional speed governor debugging platform
CN102954743A Sine wheel detecting device
CN102950406A Drive welding device
CN102950294A Numerically-controlled machine tool for turning of elevator guide wheels
CN102950398A Welding device for elevator safety gear
CN102950520A Wedge slider grinding fixing device