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ZHENGZHOU SIWEI ELECTROMECH EQ

Overview
  • Total Patents
    53
  • GoodIP Patent Rank
    198,166
About

ZHENGZHOU SIWEI ELECTROMECH EQ has a total of 53 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets measurement, civil engineering and environmental technology are STATE KEY LABORATORY SHIELD MACHINE & BORING TECH, POLMAG and NINGBO YONGGONG INTELLIGENT TECH CO LTD.

Patent filings in countries

World map showing ZHENGZHOU SIWEI ELECTROMECH EQs patent filings in countries
# Country Total Patents
#1 China 53

Patent filings per year

Chart showing ZHENGZHOU SIWEI ELECTROMECH EQs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wei Lianhe 11
#2 Shi Lei 10
#3 Liang Yong 8
#4 Cui Yongliang 8
#5 Lianhe Wei 8
#6 Shao Tianqi 7
#7 He Liang 7
#8 Jia Hongxian 7
#9 Zheng Yongqiang 7
#10 Yong Liang 7

Latest patents

Publication Filing date Title
CN111577350A Hydraulic support and tamping mechanism
CN111577349A Hydraulic support
CN110439613A A kind of coal working face tunnel filling spoil side dumping method
CN108827788A Hydraulic bracket test-bed and its test head assembly
CN109030226A Hydraulic bracket test-bed and its pedestal
CN103334748A Lifting travelling device and reversed loader using lifting travelling device
CN103133000A Coal cutter gas-water mixing external spray system
CN103046943A Hydraulic bracket
CN103104276A Preposition and postposition filling hydraulic support with rear top beam provided with hinge telescopic blocking board
CN103104273A Rear top beam multi-step distance filling hydraulic support
CN103104275A Gangue filling hydraulic support
CN103104277A Multi-step-pitch band tail beam supporting-type filling hydraulic support
CN103104274A Front top beam multi-step-pitch filling hydraulic support
CN102797488A Hydraulic support filled with bag-type clapboard
CN102587977A Four-column and double-swing-beam type gangue filling hydraulic support
CN102587975A Containing gangue filling and tamping swing beam
CN102587976A Suspension type gangue filling mechanism
CN102562102A Composite telescopic beam mechanism
CN102536290A Face guard lockout mechanism
CN102587952A High-adaptability inserting plate type end support