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Qingdao wanbao compressor co ltd

Overview
  • Total Patents
    58
  • GoodIP Patent Rank
    25,433
  • Filing trend
    ⇧ 83.0%
About

Qingdao wanbao compressor co ltd has a total of 58 patent applications. It increased the IP activity by 83.0%. 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, mechanical elements and electrical machinery and energy are GARDNER DENVER THOMAS GMBH, JIAXIPERA COMPRESSOR CO LTD and DAEWOO COMPRESSOR CO LTD.

Patent filings in countries

World map showing Qingdao wanbao compressor co ltds patent filings in countries
# Country Total Patents
#1 China 58

Patent filings per year

Chart showing Qingdao wanbao compressor co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sun Hui 29
#2 Wang Mingzhao 16
#3 Zhang Jianwei 15
#4 Zhao Jinjin 14
#5 Sun Xiaodong 12
#6 Wang Junjie 9
#7 Zhang Yinge 9
#8 Lu Haijiang 7
#9 Zhang Yafei 7
#10 Sun Haibin 6

Latest patents

Publication Filing date Title
CN112283072A Method and system for testing oil quantity of variable frequency compressor pump
CN112271834A Permanent magnet motor and refrigeration compressor
CN112014630A Device and method for testing friction loss of compressor
CN111878361A Oil suction pipe core, oiling structure and variable frequency compressor
CN111894830A Single-stage reciprocating piston compressor for mixed refrigerant
CN111895036A Three-dimensional shock insulation system and compressor comprising same
CN111852817A Linear compressor with resonance system
CN111853045A Refrigerator compressor connecting rod and compressor
CN111853044A Crankshaft, compressor comprising crankshaft and refrigeration equipment
CN111810384A Self-balancing oil pumping device and compressor comprising same
CN111677649A Centrifugal booster-type spiral oil pump, compressor and heat exchange equipment
CN111894826A Structure for improving reliability of linear compressor oil pump and compressor oil pump
CN111608889A Cylinder block assembly, compressor and refrigeration equipment
CN111608884A Exhaust silencer structure and refrigerator compressor
CN111702460A Tool assembly for assembling oil-free linear pump and assembling method
CN111664076A Cylinder cover with exhaust valve plate lift self-adaption function, cylinder and refrigerator compressor
CN111664073A Cylinder cover assembly for refrigerator compressor and refrigerator compressor
CN111577578A Vibration and noise reduction structure for variable frequency compressor and variable frequency compressor
CN111577588A Portable variable-frequency compressor speed regulation control device and control method
CN111577805A Combined vibration-proof rubber mat for compressor