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HUNAN SHUANGDA ELECTROMECHANICAL CO LTD

Overview
  • Total Patents
    38
  • GoodIP Patent Rank
    40,189
About

HUNAN SHUANGDA ELECTROMECHANICAL CO LTD has a total of 38 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets packaging and shipping, civil engineering and mechanical elements are SAFELINK AS, UNIC CORP and HENAN WEIHUA SPECIAL VEHICLE CO LTD.

Patent filings in countries

World map showing HUNAN SHUANGDA ELECTROMECHANICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 38

Patent filings per year

Chart showing HUNAN SHUANGDA ELECTROMECHANICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Qing Lichun 38
#2 Guo Fangyun 38
#3 Xu Liang 20
#4 Xiao Jiukun 11
#5 Hu Qianchuan 10
#6 Fang Yihong 9
#7 Chen Guoping 8
#8 Cheng Ke 8
#9 Li Hongshu 5
#10 Chen Yisong 5

Latest patents

Publication Filing date Title
CN111943047A Overload prevention control method and system for hoisting machinery and hoisting machinery
CN111852974A Hydraulic system of telescopic boom, telescopic boom and engineering vehicle
CN111894921A Hydraulic system of telescopic boom, telescopic boom and engineering vehicle
CN111943048A Control method and control system of hoisting machinery, hydraulic system and hoisting machinery
CN111981233A Central rotary joint, pipe winder and continuous pipe operation equipment
CN111827907A Slewing mechanism of injection head tower and machining method thereof
CN111997422A Injection head tower, lifting prying frame and machining method of lifting prying frame
CN111619821A Control method and control system of ice removing vehicle heater, heater and ice removing vehicle
CN111542135A Heater control method, heater and deicing vehicle
CN111634423A Combustion control method of deicing vehicle heater, heater and deicing vehicle
CN111544811A Folding arm support, unfolding method of folding arm support and fire fighting truck
CN111517236A Telescopic mechanism, arm support and aerial working equipment
CN111517235A Telescopic mechanism, arm support and aerial working equipment
CN111547260A Hydraulic system of deicing vehicle and deicing vehicle
CN111516897A Running control method and system of deicing vehicle and deicing vehicle
CN111536092A Hydraulic system, method for adjusting hydraulic system, and engineering vehicle
CN111546955A Rotary limiting mechanism of seat, seat and engineering vehicle
CN111153334A Slewing device and lorry-mounted crane
CN111188798A Traveling hydraulic system of engineering vehicle and engineering vehicle
CN111267705A Heating device and installation method thereof