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CHONGQING XIEMA MECHANICAL CRANKSHAFT CO LTD

Overview
  • Total Patents
    14
About

CHONGQING XIEMA MECHANICAL CRANKSHAFT CO LTD has a total of 14 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and machine tools are MACTECH CORP, NANCHANG OUFEI OPTICAL TECHNOLOGY CO LTD and TOYOTA KOKI KK.

Patent filings in countries

World map showing CHONGQING XIEMA MECHANICAL CRANKSHAFT CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing CHONGQING XIEMA MECHANICAL CRANKSHAFT CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Cao Zhengsu 12
#2 Sheng Minghe 9
#3 Tang Ronghua 3
#4 Gu Guofeng 2
#5 Gu Jinquan 2
#6 Jiaxue Han 1
#7 Jiang Ruiyuan 1
#8 Zhengsu Cao 1

Latest patents

Publication Filing date Title
CN103707145A Machine tool used for polishing crankshaft main journal
CN103234435A Inspection tool for detecting parallelism of crank pinhole of engine
CN103231309A Honing clamp for connecting rod small end hole of motor
CN103148768A Detecting tool of timing angle of crankshaft assembly of engine and detecting method thereof
CN103047924A Detecting tool and detection method for coaxiality and verticality of crank rods of engine crankshaft assembly
CN103063117A Inspection device and inspection method for parallelism of connecting rod small end hole of engine crankshaft assembly
CN102814627A Process for machining forging stock of crank of motorcycle
CN102773518A Processing device and processing method of through hole of crank throw of crank shaft
CN102776349A Quenching device and quenching process of crankshaft connecting rod journal
CN102773537A Crank shaft crank lever keyway processing device and processing method
CN102776348A Quenching device and quenching process of crankshaft keyway of universal power machine
CN102773711A Processing device and processing method for center hole of crankshaft rod portion and end face
CN102430933A Gun drill clamping tool for processing oblique oil hole of large-displacement general power machine crankshaft
CN101524813A Waste heat hardening and tempering process of motorcycle crank forged piece