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HEBEI HUANDING PETROLEUM EQUIPMENT CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    152,966
About

HEBEI HUANDING PETROLEUM EQUIPMENT CO LTD has a total of 11 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, electrical machinery and energy and measurement are BENESTAD SOLUTIONS AS, EXTREME ENGINEERING LTD and DIAMOULD LTD.

Patent filings in countries

World map showing HEBEI HUANDING PETROLEUM EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing HEBEI HUANDING PETROLEUM EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ma Kanchuang 9
#2 Ma Kuo 8
#3 Gao Qinqun 7
#4 Liu Jinzhu 7
#5 Li Yingbo 7
#6 Guo Baozuo 4
#7 Wang Guojun 4
#8 Wu Gaofeng 4
#9 Tian Nan 2
#10 Gao Yang 2

Latest patents

Publication Filing date Title
CN111342319A Drawing device of electric connector
CN111255394A Float valve special for over-drilling rod well logging
CN111326889A Logging instrument adopting pressure isolating joint to prevent leakage of shell
CN111064054A 19-core connector
CN111063991A MRSN antenna and manufacturing process thereof
CN111101926A Improved sidewall contact device with wear resistance
CN111064055A Soft connecting line detection device
CN111075430A Depth panel separating display system from operating system
CN112196516A CBL sound wave scale device
CN111335883A Novel wire feeding pipe
CN111335869A Signal transmission device for cable-free logging system