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SHENGLI OILFIELD XINDA PIPES TECHNOLOGY DEV CO LTD

Overview
  • Total Patents
    63
  • GoodIP Patent Rank
    24,291
  • Filing trend
    ⇧ 600.0%
About

SHENGLI OILFIELD XINDA PIPES TECHNOLOGY DEV CO LTD has a total of 63 patent applications. It increased the IP activity by 600.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets machines, civil engineering and macromolecular chemistry and polymers are AMERON INC, ZAMALEEV FIRDAUS USMANOVICH and MAGMA GLOBAL LTD.

Patent filings in countries

World map showing SHENGLI OILFIELD XINDA PIPES TECHNOLOGY DEV CO LTDs patent filings in countries
# Country Total Patents
#1 China 63

Patent filings per year

Chart showing SHENGLI OILFIELD XINDA PIPES TECHNOLOGY DEV CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Peijiang 26
#2 Tao Jiadong 20
#3 Liu Bo 19
#4 Xu Zhaoning 16
#5 Li Renchuang 15
#6 Li Qiang 15
#7 Zhu Hua 15
#8 Wu Yongtai 14
#9 Wang Ruixing 10
#10 Liu Yang 9

Latest patents

Publication Filing date Title
CN111591877A Backing plate hoist and mount unit
CN111591876A Backing plate lifting appliance, backing plate paving equipment and paving method
CN111497282A Glass fiber reinforced plastic sleeper mould
CN111535788A Safety joint for separate layer water injection
CN111458085A Air tightness testing machine and air tightness testing method suitable for epoxy glass reinforced plastic pipeline
CN111473971A External pressure test device for pipeline
CN111424490A Spiral type locking base plate connecting piece and base plate connecting method
CN111421787A Base plate production system and base plate production process
CN111391360A Vertical glass steel storage tank apparatus for producing
CN111518462A Anticorrosive spray polyurea elastomer and preparation method and application thereof
CN111500171A Manual repair polyurea elastomer and preparation method thereof
CN111500159A Wear-resistant corrosion-resistant powder coating for tubing coupling, preparation method and application
CN111348769A Coalescence degreaser for oil field sewage treatment
CN111350882A Supporting member laying device and oil gathering device thereof
CN111396648A Cable laying pipe connecting structure
CN111350885A Cable laying pipe
CN111578008A Union connection structure with high polymer material lining and assembling method thereof
CN111287685A Wellhead operation protection device and protection method
CN111215406A Oil pipe inner wall repairing production line
CN111188580A Wear-resistant and corrosion-resistant composite material polish rod