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Gaoyou henghui machinery co ltd

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    112,456
About

Gaoyou henghui machinery co ltd has a total of 24 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, mechanical elements and macromolecular chemistry and polymers are WEST DRILLING PRODUCTS AS, TIANJIN LILIN PETROLEUM MACHINERY CO LTD and TARGET INTERVENTION AS.

Patent filings in countries

World map showing Gaoyou henghui machinery co ltds patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

Chart showing Gaoyou henghui machinery co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guo Jihua 15
#2 Liu Chuanbin 12
#3 Lu Changchun 10
#4 Weng Yongjian 8
#5 Bian Yongqiang 7
#6 Mao Weipeng 7
#7 Yang Qizhi 5
#8 Hu Changsheng 5
#9 Jihua Guo 3
#10 Changchun Lu 3

Latest patents

Publication Filing date Title
CN111734788A Bidirectional power head convenient for adjusting center distance and using method thereof
CN111734304A Low-clearance rotary drilling rig with special elevator
CN110862647A MC nylon anti-skid block for power head of rotary drilling rig
CN111749615A Intelligent full-automatic pump suction drilling machine
CN111749610A Intelligent full-automatic circulation-returning drilling machine
CN109458126A A kind of rotary digging drill power head torsion increasing device
CN109025798A A kind of rotary drilling rig improving travel position
CN108979543A A kind of new and effective rotary drilling rig
CN108868739A A kind of rotary digging driller mast control device
CN105317371A Power head drive device of rotary drilling rig
CN106677696A Novel rock-entering power head
CN106677710A Novel follow-up frame
CN106677697A Damping type rock-entering power head
CN105329573A Stainless steel transport tank
CN105221649A A kind of unit head with composite shock-absorbing device
CN103291211A Power head preventing silt from intruding into box body
CN103277040A Power head used by rotary excavating drilling machine and long spiral drilling machine in common
CN103277039A Power head capable of driving drill bit into rock
CN103266851A Power head for reducing oil-shortage abrasion of bearing
CN103015882A Hub and key bush integrated power head