Learn more

LI SHILUAN

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    162,744
About

LI SHILUAN has a total of 15 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, medical technology and mechanical elements are AUGER TORQUE EUROPE LTD, RANEY RICHARD C and XI AN WELL SUN ELECTRONIC INSTR CO LTD.

Patent filings in countries

World map showing LI SHILUANs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing LI SHILUANs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Li Ruiguo 9
#2 Liu Wenxue 2
#3 Wang Xiwu 2
#4 Sun Yongqiang 2
#5 Chen Ding 2
#6 Liu Liwen 2
#7 Su He 2
#8 Shi Ruibin 2
#9 Zhang Zhaojie 2
#10 Hu Yan 1

Latest patents

Publication Filing date Title
CN105201652A Air filter for compressor and gas turbine
CN105147353A Pneumatic tourniquet
CN104775781A Safety disassembling tool for rock core barrel of well wall coring equipment
CN104712306A Bubble removing device on single-well oil pouring tank of oil well
CN104143876A Fixing device for motor on pumping unit
CN104141778A Adjustable pumping-unit belt fastening and lubricating device
CN104088937A Oil pumping unit brake detection protection system
CN104060969A Energy-saving pumping unit with two horse heads
CN104074729A Ultra-deep oil well oil pump
CN104060968A Digitization pumping unit
CN103790539A Process of removing blocking by positive hydraulic impact
CN103821492A Oil well acidification negative pressure flowback blockage removal process
CN103924957A Oil well acidification negative pressure back-flowing and de-blocking technology
CN103900105A Automatic ignition device of oil well water jacket furnace
CN103899269A Novel well washing protection device