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YANCHENG HENGFA PREC GEAR CO LTD

Overview
  • Total Patents
    53
  • GoodIP Patent Rank
    28,173
  • Filing trend
    ⇩ 20.0%
About

YANCHENG HENGFA PREC GEAR CO LTD has a total of 53 patent applications. It decreased the IP activity by 20.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets machine tools, mechanical elements and chemical engineering are Chongqing kangtian gear co ltd, WERKZEUGMASCH OKT VEB and MO Z SHLIFOVALNYKH STANKOV.

Patent filings in countries

World map showing YANCHENG HENGFA PREC GEAR CO LTDs patent filings in countries
# Country Total Patents
#1 China 53

Patent filings per year

Chart showing YANCHENG HENGFA PREC GEAR CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Xizhi 53
#2 Zhou Renhua 25
#3 Xu Changdong 16
#4 Zhao Dan 15
#5 Sun Aihua 1
#6 Lu Lijun 1

Latest patents

Publication Filing date Title
CN112170953A Can remove gear wheel processingequipment of gear burr
CN112170988A Noise-reducing and dust-removing machine tool for gear machining
CN112170978A Fixed bolster frock of gear machining
CN112170979A Make things convenient for gear machining frame of rotation regulation
CN112264675A Gear machining auxiliary device
CN112170977A Gear machining equipment
CN112108449A Gear collecting device suitable for gear machining center
CN112170349A Cleaning device for gear machining
CN112170986A Gear positioning device in gear processing machine
CN112146595A Measuring device of gear machining cutter
CN112191945A Gear planer with waste bits rolling drying cleaning function
CN112170987A Slotting machine gear shaping tool bit structure
CN112170918A Automatic milling machine scrap cleaning structure
CN112145652A Precise gear heat dissipation structure
CN112108723A Gear hobbing and polishing integrated machine
CN111730148A Helical gear hobbing circulation cooling device
CN110360296A Detachable gear wheel mounting structure
CN110360304A Driven gear axle construction
CN110370049A A kind of clamping device for bevel gear screw thread process
CN110480103A A kind of grinding machine processing gear shaft clamping structure