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BEIJING ZHONG KE SAN HUAN

Overview
  • Total Patents
    145
  • GoodIP Patent Rank
    46,832
  • Filing trend
    ⇩ 100.0%
About

BEIJING ZHONG KE SAN HUAN has a total of 145 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2005. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets electrical machinery and energy, materials and metallurgy and surface technology and coating are JINGCI MAT SCIENCE CO LTD, YANTAI ZHENGHAI MAGNETIC MAT CO LTD and QINGDAO YUNLU ADVANCED MATERIAL TECH CO LTD.

Patent filings in countries

World map showing BEIJING ZHONG KE SAN HUANs patent filings in countries

Patent filings per year

Chart showing BEIJING ZHONG KE SAN HUANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rao Xiaolei 50
#2 Hu Boping 49
#3 Niu E 41
#4 Xiaogang Bai 19
#5 Chen Guoan 18
#6 Chen Zhian 18
#7 Xiaolei Rao 18
#8 Guanghui Pan 17
#9 Boping Hu 16
#10 Zhao Yugang 16

Latest patents

Publication Filing date Title
CN112259359A Sintered neodymium-iron-boron magnet and anti-corrosion treatment method thereof
CN109989053A Passivating method for being passivated the passivating solution of permanent-magnet material and using the passivating solution to permanent-magnet material
CN107731446A A kind of open type permanent magnetic device
WO2018121112A1 Fine grain rare earth alloy casting piece, preparation method, and rotary cooling roller device
CN109754970A A kind of rare-earth magnet and preparation method thereof
CN109256250A One kind rare-earth permanent magnet containing Ce and preparation method thereof
CN109148068A A kind of magnetic powder of suitable 3D printing, bonded permanent magnet and preparation method thereof
CN108257751A It is a kind of to prepare fine grain rare-earth sintered magnet alloy casting piece
CN108257752A It is a kind of to prepare fine grain rare-earth sintered magnet alloy casting piece
CN108246992A A kind of method for preparing fine grain rare earth alloy slab and rotation cooling roller device
CN108231310A A kind of preparation method of modified NdFeB magnetic powder, modified NdFeB magnetic powder and NbFeB sintered body
CN108214046A A kind of pipe rotation clamp system and pipe inner circle process equipment and method
CN108145154A Magnet automatic moulding system and method, sheet magnet molding die, provision for disengagement
CN108115479A A kind of thin-wall circular cast magnet blank outer circle grinding jig, process equipment and method
CN108063037A A kind of multi-pole magnet-ring of anisotropic bond neodymium iron boron and preparation method thereof
CN108074701A A kind of high density bonded permanent magnet and preparation method thereof
CN107958759A Wetting agent, rare earth permanent-magnetic material and the surface treatment method for preparing the material
CN107877274A Pipe magnet inner circle processing method and equipment
CN107671497A The production method and its clamp of a kind of motor neodymium iron boron component
CN107359036A A kind of bonded permanent magnet and preparation method thereof