Learn more

SHENGLI OILFIELD HIGHLAND PETROLEUM EQUIPMENT CO L

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    161,500
About

SHENGLI OILFIELD HIGHLAND PETROLEUM EQUIPMENT CO L has a total of 11 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets machine tools and civil engineering are HYTORC NORGE AS, FRANK S INT LTD and HARGRAVE JOHN M.

Patent filings in countries

World map showing SHENGLI OILFIELD HIGHLAND PETROLEUM EQUIPMENT CO Ls patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing SHENGLI OILFIELD HIGHLAND PETROLEUM EQUIPMENT CO Ls patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhu Xinzhong 5
#2 Wu Peixuan 4
#3 Lin Chuanhong 4
#4 Jiang Yong 3
#5 Su Yibin 3
#6 Zhao Yan 3
#7 Wu Miaofa 2
#8 Wang Rui 2
#9 Wang Qinghua 2
#10 Yu Jie 2

Latest patents

Publication Filing date Title
CN105275434A Long-stroke direct-drive pumping unit with dual-brake and balance weight fall prevention functions
CN104943155A Composite pipe flanging molding device and molding method
CN104533765A Double-fixation scale-blockage-preventing long-plunger sand-preventing oil well pump
CN104526261A Cold-rolling technology for manufacturing admiralty brass C44300 oil-well pump cylinder blank pipe
CN104354092A Novel honing head for honing pump barrel
CN104314527A Hydraulic pumping unit with power-assisted cylinder and oil production method of hydraulic pumping unit
CN104404992A Multifunctional high-pressure water jet working vehicle
CN104329060A Two-well oil extraction hydraulic pumping unit adopting power-assisting oil cylinders and two-well oil extraction method
CN104339311A Plunger mounting tool for reciprocating plunger pump
CN104329248A Inclined reducing type suction manifold
CN104339294A Combined type cylinder head gland nut mounting and dismounting tool