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TIANRUN CRANKSHAFT CO LTD

Overview
  • Total Patents
    176
  • GoodIP Patent Rank
    17,431
  • Filing trend
    ⇩ 40.0%
About

TIANRUN CRANKSHAFT CO LTD has a total of 176 patent applications. It decreased the IP activity by 40.0%. Its first patent ever was published in 2004. It filed its patents most often in China and United States. Its main competitors in its focus markets machine tools, materials and metallurgy and measurement are LUOYANG JIANHAO HEAVY MACHINERY LTD COMPANY, LI HANXIANG and JINHU CHANGSHENG POWER MACHINERY PART CO LTD.

Patent filings in countries

World map showing TIANRUN CRANKSHAFT CO LTDs patent filings in countries
# Country Total Patents
#1 China 175
#2 United States 1

Patent filings per year

Chart showing TIANRUN CRANKSHAFT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cong Jianchen 47
#2 Sun Jun 44
#3 Song Wenyou 42
#4 Jianchen Cong 40
#5 Wenyou Song 23
#6 Haitao Sun 23
#7 Keguo Bi 20
#8 Weihong Ci 17
#9 Sun Haitao 14
#10 Ni Peixiang 14

Latest patents

Publication Filing date Title
CN110953085A Ductile iron piston and internal combustion engine
CN110484676A The addition control method of silicon amount, the casting method of spheroidal graphite cast-iron, casting in spheroidal graphite cast-iron
CN110442915A Link design method
CN109648122A Adjustable crankshaft center bores positioning device
CN109483288A Share the lever pressing device of tappet
CN109454484A Fraise jig
CN109514385A Rectangular guideway grinds an auxiliary device
CN109676544A Hole abrasive belt polishing wheel
CN109514461A Multiple spot elastic pressuring clamping device for uneven face
CN109513958A Three-jaw lathe chuck
CN109514314A Process the flexible fixture on connecting rod small end of engine inclined-plane
CN109226632A Roll forging lathe support device
CN108481102A A kind of method of interpolation grinding crankshaft fillet
CN108581514A Power head centering angle modulation locked instrument
CN107199793A Marking device
CN107120350A Near-net-shape casting forging bent axle
CN107030143A The complete residual compressive stress coalignment of bent axle and technique
CN106955973A Cast rising head
CN106670973A Grinding machine cooling chip removing device
CN106743218A Stepless spiral dissipates inovulant conveying device with flow point