Learn more

XUZHOU KEYUAN HYDRAULIC CO LTD

Overview
  • Total Patents
    13
About

XUZHOU KEYUAN HYDRAULIC CO LTD has a total of 13 patent applications. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements are KOLUNGEN AB, TSUBAKIMOTO SEIKOU KK and WALTER & BERGES MASCHINENFABRI.

Patent filings in countries

World map showing XUZHOU KEYUAN HYDRAULIC CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

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

Focus industries

# Industry
#1 Mechanical elements

Focus technologies

# Technology
#1 Shafts
#2 Gearing

Top inventors

# Name Total Patents
#1 Yongjin Han 6
#2 Han Yongjin 6
#3 Yuntao Xu 5
#4 Tao Shi 4
#5 Jing Yu 4
#6 Shiwei Yuan 4
#7 Yu Jing 2
#8 Lv Fuchun 2
#9 Shi Tao 2
#10 Liu An 2

Latest patents

Publication Filing date Title
CN103032313A Floating side plate of ultrahigh voltage gear pump
CN102562577A Extra-high pressure gear oil pump
CN102330810A Water cooling type traction machine for mine
CN102345695A Normally open brake of hydraulic transmission device
CN102345727A Planet reductor brake
CN102328886A Winch reducer
CN102345709A Inversed rotating reductor
CN102141035A High-pressure gear pump with intermediate-pressure bearing lubrication
CN102141036A High-pressure gear pump with rectangular oil inlet
CN102146915A High-pressure gear pump without fixed side plate
CN101915267A Concave rolling passage needle bearing in planetary transmission mechanism
CN101817482A Composite core hydraulic central gyrorotor
CN1743673A Big pressure angle negative profile shifted gear for hydraulic gear pump