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Changzhou tianshan heavy industry machinery co ltd

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    172,607
About

Changzhou tianshan heavy industry machinery co ltd has a total of 20 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets machine tools, materials and metallurgy and surface technology and coating are CHONGQING SHOUYE MACHINERY MFG CO LTD, HEFEI YINQUAN FOUNDRY CO LTD and KAPP NILES GMBH & CO KG.

Patent filings in countries

World map showing Changzhou tianshan heavy industry machinery co ltds patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

Chart showing Changzhou tianshan heavy industry machinery co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ni Guanren 8
#2 Gu Xiaoming 8
#3 Xu Renwei 7
#4 Ma Liang 6
#5 Ding Sheng 5
#6 Jiang Weijie 4
#7 Huang Xing 4
#8 Li Chunming 4
#9 Li Kangkang 3
#10 Mou Xinghua 3

Latest patents

Publication Filing date Title
CN104745794A Thin-wall carburization gear ring salt-bath quenching circle checking technology
CN104745795A Heat treatment process for controlling thin wall gear ring minitaper distortion
CN104729963A Detection and display method of austenite grains of quenched and tempered steel for gears at room temperature
CN104846157A Novel tempering technology for high-precision high-speed heavy-duty gear salt bath quenching
CN104722855A Quick clamping and aligning device for gear shaft hobbing and clamping and aligning structure thereof
CN104759899A Split auxiliary rotation work table for large high-speed gear hobbing machine
CN104816048A Auxiliary hydraulic device convenient to adjust radial jump of large precise gear ring
CN104759898A Auxiliary support devices for large rotation work table
CN103817501A Machining method of extra-large precision gear ring, gear ring and assembling method of gear ring
CN103697786A Measuring tool and method for measuring size of large-excircle workpiece by adopting same
CN103695624A Heat treatment process for remedying too high expansion of inner gear ring
CN103710497A Thermal treatment process for controlling contraction of common normal line of high-alloy carburizing steel quenching gear
CN103662681A Turning tool of oversized thin-wall gear ring
CN102980497A General method for detecting conical degree of taper block or conical surface of finish machining taper block
CN102921632A Anti-carburizing type gear cleaning method
CN102925852A Technique for eliminating nitrided porosity
CN102021306A Clamping fixture device used for heat treatment of gear ring
CN102463524A Electrochemical grinding method and device for cam surface of internal-combustion engine
CN101508040A Contour pad module capable of helping four-jaw chuck clamp gear
CN101513676A Lathe tail fixing device for clamping workpiece