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SHANGHAI DALONG MACHINERY FACTORY CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    140,149
About

SHANGHAI DALONG MACHINERY FACTORY CO LTD has a total of 12 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines, machine tools and chemical engineering are WUXI WOYO SUPERDO COMPRESSOR CO LTD, ASIAN FIRST REFRIGERATION CORP and WANBAO GROUP COMPRESSOR CO LTD.

Patent filings in countries

World map showing SHANGHAI DALONG MACHINERY FACTORY CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing SHANGHAI DALONG MACHINERY FACTORY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Kai 3
#2 Liu Yi 3
#3 Yu Yunming 2
#4 Wang Xiaoqi 2
#5 Zhang Yao 1
#6 Shi Zhongyu 1
#7 Wu Zhibin 1
#8 Liu Moujia 1
#9 Zhu Yong 1
#10 Li Wei 1

Latest patents

Publication Filing date Title
CN112222883A Shaft bracket device for milling large screw rotor
CN111633553A Large-diameter inner hole vertical lathe polishing tool and integrated machining method for improving roughness
CN111637037A Pulsation damper in reciprocating compressor device
CN111927739A Efficient buffer separator in piston compressor device
CN111664090A Twin-screw compressor with electric barring gear
CN110566451A Universal spherical structure for adjusting centering of plunger
CN110645178A Horizontal gas-liquid cooling separator for screw compressor device and process gas cooling system
CN106334821A Screw tool
CN104668915A Method for machining large-sized piston-type compressor air cylinder body
CN104329247A Water channel welding type stuffing box
CN104373741A Low-pulsation series capsule type buffer
CN104043996A Crankshaft eccentricity tool