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CHONGQING DUCHENG RONGFENG MACHINERY MFG CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    103,725
About

CHONGQING DUCHENG RONGFENG MACHINERY MFG CO LTD has a total of 16 patent applications. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets machine tools and measurement are KONSTANTINOV ALEKSANDR A, AUTOMATOW TOKARSKICH FAB and SHANDONG FIN CNC MACHINE CO.

Patent filings in countries

World map showing CHONGQING DUCHENG RONGFENG MACHINERY MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing CHONGQING DUCHENG RONGFENG MACHINERY MFG CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hui Gaorong 16
#2 Zeng Pinli 16

Latest patents

Publication Filing date Title
CN106392133A Combined punching device for crankshaft flange holes
CN106441184A Detection device for radial run-out of bent axle
CN106425615A Double-shaft pneumatic crankshaft fixture
CN106424859A Chamfering device for central hole of crankshaft
CN106425613A Pneumatic type crankshaft processing fixture
CN106425585A General crankshaft milling positioning frame
CN106392138A Vertical shaft end chamfering device for crankshaft
CN106392128A Punching device for central holes of crankshaft
CN106425551A Crankshaft drill inclined hole quick positioning fixture
CN106392723A Synchronous compressing crank clamp
CN106424823A Bidirectional crankshaft center perforating device
CN106425614A Pneumatic synchronous clamp for crankshaft
CN106392148A Chamfering device for shaft end holes of crankshaft
CN106392711A Crankshaft processing center positioning frame
CN106392775A Multi-section jumping detection device for crankshaft
CN106403865A Crankshaft shoulder runout detection device