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XUZHOU KEYUAN HYDRAULICS CO LTD

Overview
  • Total Patents
    53
  • GoodIP Patent Rank
    44,422
  • Filing trend
    ⇩ 66.0%
About

XUZHOU KEYUAN HYDRAULICS CO LTD has a total of 53 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and transport are ALFRED GEORGE LANGDON, KOPP JEAN ERNST and HYUN KYUNG YUL.

Patent filings in countries

World map showing XUZHOU KEYUAN HYDRAULICS CO LTDs patent filings in countries
# Country Total Patents
#1 China 53

Patent filings per year

Chart showing XUZHOU KEYUAN HYDRAULICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Han Yongjin 50
#2 Han Hua 35
#3 Yuan Chaoguo 18
#4 Yu Jing 14
#5 Huang Chunyou 13
#6 Jiang Hu 13
#7 Ding Suiyao 12
#8 Tang Junhui 9
#9 Ji Chuanlei 7
#10 Guo Shuai 6

Latest patents

Publication Filing date Title
CN111288874A Method for detecting gap between primary central wheel and top shaft of planetary gear reducer
CN111152607A Motor transverse hydraulic flat-bed transport vehicle axle
CN111055089A Method for machining steering front axle of underground tank car
CN111120590A Walking speed reducer with disengaging gear
CN110963434A Brake for lifting
CN109869460A Wheel excavator dynamic power shift gear box
CN109519504A Without idle running planet gyration speed reducer
CN109404516A Rotary reducer and continuously adjust pinion gear and bull gear backlash method
CN107939864A Pneumatic parking brake
CN107882994A Vehicle bridge wheel side dust-proof sealing structure
CN107762844A With preposition bearing-type gear oil pump
CN106762620A A kind of manufacture method of the floating side plate with new compensating groove
CN106523348A Gear pump adopting impact-resistant type floating side plates
CN106523672A Rear axle one-piece type speed reducer
CN106523354A Gear pump for achieving constant current function
CN106523357A Bearing lubricating structure of two-way gear oil pump
CN106555838A Double brake hoisting speed reducer
CN106763307A A kind of and gearbox integration-in-one multi-sheet wet-type EPB
CN106523543A Normally-open wet-type multi-disc hydraulic clutch
CN106515885A Double-caterpillar-band damping chassis