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SHANGHAI AUTOMOBILE CO LTD

Overview
  • Total Patents
    14
About

SHANGHAI AUTOMOBILE CO LTD has a total of 14 patent applications. Its first patent ever was published in 2002. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements are STEPANOV EVGENIJ A, OTC KK and NORMANVILLE TRANSMISSIONS LTD.

Patent filings in countries

World map showing SHANGHAI AUTOMOBILE CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing SHANGHAI AUTOMOBILE CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements

Focus technologies

# Technology
#1 Gearing

Top inventors

# Name Total Patents
#1 Wu Chumiao 2
#2 Zhou Cheng 2
#3 Tang Haichuan 1
#4 Shen Yuming 1
#5 Xu Jianming 1
#6 Chumiao Wu 1
#7 Jiang Yeqin Zhang 1
#8 Xinyuan Zhang 1
#9 Lou Yongcai Shi 1
#10 Shi Jieqing 1

Latest patents

Publication Filing date Title
CN1912408A Method for reducing abnormal sound of speed transmission through needle bearing
CN1785576A Laser welding processing method of gear
CN1786238A Fork drawing material of automobile gear box
CN1786213A Heat treatment device used for gear forging
CN1624364A Link gear shift
CN1624173A Quenching for material rack by high pressure gas
CN1624170A Process for stepped quenching by high pressure gas
CN1636781A Four-wheel driving gear box for light vehicle
CN1586779A Method for improving preshaving hob
CN1587759A Speed variator reverse gear synchronizer
CN1706978A Material formulation of high-strength sintered metal bevel gear
CN1556536A Vehicle back running lamp switch
CN1556341A Chain wheel of chain transmission set
CN1412028A Locking device of five/reverse gear gear-selecting and gear-shifting mechanism for automobile speed changer