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RIZHAO HEIN SAW CO LTD

Overview
  • Total Patents
    28
  • GoodIP Patent Rank
    72,332
  • Filing trend
    ⇩ 100.0%
About

RIZHAO HEIN SAW CO LTD has a total of 28 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets machine tools, measurement and materials and metallurgy are WETENSCHAPPELIJK EN TECH ONDER, HEBEI SPECIAL EQUIPMENT SUPERVISION AND INSPECTION INST and ENGIS CORP.

Patent filings in countries

World map showing RIZHAO HEIN SAW CO LTDs patent filings in countries
# Country Total Patents
#1 China 28

Patent filings per year

Chart showing RIZHAO HEIN SAW CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Jinsheng 7
#2 Wang Xinglei 7
#3 Cao Yong 7
#4 Ju Junwei 7
#5 Chen Lixin 6
#6 Niu Pingping 4
#7 Fu Chongwen 4
#8 Xiao Bianjiang 4
#9 Gao Lijun 4
#10 Gao Kexiang 3

Latest patents

Publication Filing date Title
CN112280964A Circular saw blade tooth tip high-frequency quenching device and method
CN111703109A Electric heating plate press for circular saw blade production and production line
CN111790949A Grinding machine and production line for circular saw blade production
CN111809218A Grabbing assembly of saw blade, transmission device, electroplating device and electroplating method
CN111855404A Automatic detection device, system and method for production quality of saw blade
CN111735700A Diamond saw blade welding strength detection device and method
CN111776691A Automatic turnover device and method for saw blade
CN111578814A Circular saw blade base end jumping detection device and working method
CN111595664A Self-adaptive positioning device, system and method for workpiece hardness detection
CN111015413A Automatic deburring device for circular saw blade
CN109827508A A kind of automatic facewidth detection device of saw blade
CN109680138A A kind of automatic oil quenching mechanism of saw blade and Quenching Production Line
CN109706305A Fork dress and ferry device and method between a kind of saw blade heat treatment procedure
CN109571214A A kind of saw blade surface oxide layer cleaning plant and working method
CN106863032A A kind of simple grinding machine of high accuracy saw blade
CN108620674A A kind of diamond frame sawing saw blade uncoiler and method
CN106738365A A kind of equipment for cutting granite
CN106944901A The scalable stone plate polissoir of modularization and its processing method
CN106182449A A kind of knife-edge noise reduction hole saw bit and cutting machine
CN106435147A Air quenching method of circular saw web