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CHENG YULIN

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    237,516
About

CHENG YULIN has a total of 11 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and agriculture are N DRIP LTD, EUROPLASTIC and HAYGROVE LTD.

Patent filings in countries

World map showing CHENG YULINs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing CHENG YULINs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Cheng Yulin 11
#2 Wang Shengli 1
#3 Wang Guoze 1
#4 Shao Qixiang 1
#5 Zhang Chenxin 1
#6 Zhang Tianshun 1
#7 Li Zhongqiang 1
#8 Han Changyang 1

Latest patents

Publication Filing date Title
CN110249855A A kind of cumulative circulating-heating greenhouse
CN103132964A Single dry pipe multi-well water distribution system and water distribution process thereof
CN103132965A Single main pipe single well water distribution system applied to oil exploitation field and water distribution process thereof
CN103132946A Circulating heating pressurization process applied to wellbore
CN103132962A Single dry pipe multi-well water distribution system
CN103132947A Shaft circulating heating pressurizing device
CN103132948A Shaft circulating heating pressurizing device and heating pressurizing process thereof
CN103132966A Single main pipe single well water distribution process applied to oil exploitation field
CN103132961A Water distribution technology based on single-dry-pipe multi-well water distribution system
CN103132963A Single main pipe single well water distribution system applied to oil exploitation field
CN103132981A Comprehensive measurement and control system applied to drilling machine hoisting device