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TIANJIN LILIN PETROLEUM MACHINERY CO LTD

Overview
  • Total Patents
    52
  • GoodIP Patent Rank
    37,709
  • Filing trend
    ⇧ 200.0%
About

TIANJIN LILIN PETROLEUM MACHINERY CO LTD has a total of 52 patent applications. It increased the IP activity by 200.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, mechanical elements and materials and metallurgy are EXTREME MACHINING AUSTRALIA PT, WELLBORE ENERGY SOLUTIONS LLC and WEST DRILLING PRODUCTS AS.

Patent filings in countries

World map showing TIANJIN LILIN PETROLEUM MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 52

Patent filings per year

Chart showing TIANJIN LILIN PETROLEUM MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Luo Xuliang 27
#2 Huang Yuming 21
#3 Han Wenquan 17
#4 Wang Junli 14
#5 Liu Haining 13
#6 Rong Gang 10
#7 Zhao Chunyu 10
#8 Li Fengqi 9
#9 Li Datao 4
#10 Wang Zhenwen 3

Latest patents

Publication Filing date Title
CN112196934A Multi-dimensional composite shock absorber
CN111119755A Non-magnetic high-speed transmission shaft assembly
CN109812494A Novel thrust bearing and preparation method
CN108843235A Three key perseverances turn round sealing universal shaft
CN109236178A Helicoid hydraulic motor buffering driving-shaft assembly
CN108843236A Torsion pulse pressure-charging helicoid hydraulic motor
CN108868587A Anti- transmission shaft with overload protection reverses helicoid hydraulic motor
CN109025802A Interior sealing top load oil pressure compensates ball bar type universal shaft automatically
CN109025962A Helicoid hydraulic motor composite record analyzer
CN108868585A Gauge cutting type driving-shaft assembly
CN109136711A Novel high wear-resistant TC bearing
CN107989547A Hydraulic blow system
CN108194033A Helicoid hydraulic motor double compensation automatic pressure-regulating oil seal transmission shaft assembly
CN108019170A Safety valve
CN106194050A The anti-lost joint of fast self-locking
CN106224398A Petal type ball-type universal drive shaft
CN106194008A Screw rod jump bit
CN106194004A Nearly drill bit driving-shaft assembly
CN106150344A Compensation sealing universal drive shaft
CN106150387A The hinged driving-shaft assembly of helicoid hydraulic motor