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XINGHUA DONGHUA GEAR CO LTD

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    73,222
  • Filing trend
    ⇧ 25.0%
About

XINGHUA DONGHUA GEAR CO LTD has a total of 33 patent applications. It increased the IP activity by 25.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets surface technology and coating, materials and metallurgy and machine tools are AUTOMAT IND S L, PARKER NETSUSHORI KOGYO CO LTD and CHUNG WON KI.

Patent filings in countries

World map showing XINGHUA DONGHUA GEAR CO LTDs patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing XINGHUA DONGHUA GEAR CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jiang Yalong 21
#2 Xu Sunchuan 15
#3 Xue Wenkui 14
#4 Zhao Guozhang 11
#5 Wang Guangzhong 10
#6 Lu Jun 10
#7 Zhang Wenquan 9
#8 Zong Yongbin 9
#9 Xu Sunzhuan 7
#10 Lu Dun 5

Latest patents

Publication Filing date Title
CN111069832A Welding tool for improving welding qualification rate of chain wheel and welding process using welding tool
CN109773280A Improve the Gearmaking Technology of gear grinding efficiency
CN109439852A A kind of drive shaft quenching unit and process for quenching with the angle R
CN109487069A A kind of heat treatment method of ring gear control heat-treatment distortion
CN109439878A Level-one sun gear internal spline deforms mould taper control heat treatment method
CN109483268A The quick accurate positioning of drive shaft cutting and cutoff device and Cutting Process
CN108020142A Gear frustoconical bevel angle and diameter detection gauge
CN108220574A Agricultural machinery drive shaft automatic sensing quenches system of processing and technique
CN107893152A A kind of heat treatment method of 17CrNiMo6 materials central gear
CN108085637A Improved soft nitriding furnace shove charge frock and soft-nitriding process
CN106392181A Key teeth and double key aligning device and key teeth and double key aligning method for machining of double key slots of chain wheel
CN106224529A A kind of farm machine gearbox of improvement
CN106217083A Sprocket wheel keyway processing Jian Chi center alignment device and alignment method
CN106011393A Heat treatment induction quenching process for small hole
CN106065459A A kind of engine gear soft-nitriding process
CN106011734A High-precision heat treatment process
CN106011438A Heat treatment induction hardening technique for sprocket wheel
CN106048510A Compound heat treatment technology for wear-resistant gears
CN106435462A Energy-saving composite type thermal treatment process
CN105970150A Super carbonitriding process