Learn more

SHAANXI HUACHEN PETROLEUM TECH CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    158,420
  • Filing trend
    ⇧ 50.0%
About

SHAANXI HUACHEN PETROLEUM TECH CO LTD has a total of 11 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets civil engineering and measurement are KOOLAJ FOLDGAZBANYASZATI, WELLSTARTER AS and Denislamov Ildar Zafirovich.

Patent filings in countries

World map showing SHAANXI HUACHEN PETROLEUM TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing SHAANXI HUACHEN PETROLEUM TECH CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Lai Xiaohu 8
#2 Li Bai 5
#3 Wang Huamin 4
#4 Qian Peng 3
#5 Dai Chengpeng 2
#6 Zhang Guangzhou 2
#7 Qiao Changfa 2
#8 Yang Lige 2
#9 Liu Kai 2
#10 Meng Qiang 2

Latest patents

Publication Filing date Title
CN109989742A A kind of eight sector sound wave perforation localization method of set back side
CN109899055A A kind of sector acoustic logging instrument caliberating device and scaling method
CN109356541A Electronic dispensing pipe nipple and put-on method
CN109441433A The concentric sealing test pipe nipple in underground
CN108279047A A kind of thermal flow rate sensor
CN107515245A Oil gas storage well sleeve leakage field test device and method of testing
CN107035362A A kind of injection well zonal pressure method of testing and device
CN105937392A Device and method for finding abnormal temperature points in production well
CN105628118A Thermodynamics-based flow meter and thermodynamics-based flow measuring method
CN105569652A Small layer pressure test analysis method
CN105386743A Swabbing device for well logging of rod pumped well and well logging method based on device