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LIAOHE PETROLEUM EXPLORATION

Overview
  • Total Patents
    121
  • GoodIP Patent Rank
    152,904
  • Filing trend
    ⇩ 100.0%
About

LIAOHE PETROLEUM EXPLORATION has a total of 121 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1996. It filed its patents most often in China and United States. Its main competitors in its focus markets environmental technology, civil engineering and basic materials chemistry are RESERVE SYNTHETIC FUELS INC, PALADON ENG LTD and SCHLUMBERGER TECHNOLOGY B V ST.

Patent filings in countries

World map showing LIAOHE PETROLEUM EXPLORATIONs patent filings in countries
# Country Total Patents
#1 China 117
#2 United States 4

Patent filings per year

Chart showing LIAOHE PETROLEUM EXPLORATIONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hong Zhong 6
#2 Tang Qi 5
#3 Endong Guan 5
#4 Yuanwen Gao 4
#5 Yongjie Wei 4
#6 Gejun Gao 4
#7 Xin Zhao 4
#8 Kui Ning 4
#9 Hongtao Zhang 4
#10 Xu Mingyue 3

Latest patents

Publication Filing date Title
CN108059311A A kind of mixing disposal of oily sludge system and method
CN107859042A A kind of moist expansion cubic metre of earth and stone earth-filling method
CN106677262A Method for artificially sealing and recharging geothermal water
CN105350940A Quality control method for cement plug injection
CN105350932A Gas well under-pressure induced-flow plug-removal draining technique
CN105019845A Branch hole positioning guiding tool
CN104790895A Cable transmission drillable type water source well leaking stoppage method
CN104361198A Method for calculating amounts of cross beams and upright posts of large-scale metal storage tank floating pontoon bracket
CN104241879A Construction technology of earthing device of lightning arrester
CN104344074A Grille jacking and rushing device
CN104061965A Equipment information acquisition instrument
CN103694977A Anti-shearing crosslinking-delayed organic profile control agent
CN103643945A Technology for thin layer lithology reservoir recognition and horizontal well drilling tracking
CN103694972A Cement mortar used for grouting while directional drilling and for reinforcing strata
CN103554936A Asphalt-mineral composite material prepared by utilizing thickened oil sludge and preparation method thereof
CN103510938A Thick oil thermal-recovery underground steam dryness optical fiber monitoring instrument
CN103525388A Chemical formula for eliminating hydrogen sulfide in pit shaft
CN103470245A Production test system for mechanized horizontal well coiled tubing
CN103434996A Connecting method for oil-submerged pump oiling machine with intercepting valve and oil supply pipeline
CN103433653A Seal welding protection device of composite tube