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LIU YUYAN

Overview
  • Total Patents
    165
  • GoodIP Patent Rank
    8,919
About

LIU YUYAN has a total of 165 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, foods and drinks and electrical machinery and energy are CHEN ZHAOYING, LIU YUQIU and YE LIANGUO.

Patent filings in countries

World map showing LIU YUYANs patent filings in countries

Patent filings per year

Chart showing LIU YUYANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Yuyan 164
#2 Guo Fengwei 1
#3 Wang Yueli 1
#4 Wanli Ouyang 1

Latest patents

Publication Filing date Title
CN110393654A A kind of Neurology clinic adjustable type limb rehabilitation device
CN110239905A A kind of transmitting device of ceramic material vegetable dish
CN110253772A A kind of Ceramic manufacturing platform that can generate negative pressure dust suction
CN107980830A Quick pancake-baking machine
CN108077343A Multifunctional motor-driven pancake-baking machine
CN106065613A Broken line snap-in is bored and is stirred machine
CN106120771A Double occlusion drills
CN106245631A Broken line fore shaft bores and stirs machine
CN106065610A Recessed round snap fastener V-type is bored and is stirred machine
CN106049456A Meshed and buckled V-shaped drilling machine
CN106049454A Double seaming type drilling and stirring machine
CN106245632A Double sockets bore and stir machine
CN106065614A Broken line occlusion brill stirs machine
CN106049448A Double-inserting-combining drilling mixing machine
CN106193016A Double seaming rigs
CN106223326A Snap fastener Y type bores and stirs machine
CN106245633A Recessed circle occlusion V-type is bored and is stirred machine
CN106223322A Concavo-convex seaming Y type bores and stirs machine
CN106049450A Zigzag-line locking and seaming type drilling machine
CN106223315A Snap-in V-type is bored and is stirred machine