Learn more

XINJIANG SINOPETROLEUM ENGINEERING CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    194,929
About

XINJIANG SINOPETROLEUM ENGINEERING CO LTD has a total of 13 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets civil engineering are PANDA SEAL LTD, FLOWAY INC and B AND W.

Patent filings in countries

World map showing XINJIANG SINOPETROLEUM ENGINEERING CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing XINJIANG SINOPETROLEUM ENGINEERING CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Earth drilling

Top inventors

# Name Total Patents
#1 Zhu Jinfu 11
#2 Li Zhiguo 9
#3 Zhang Fuxiang 7
#4 Peng Jianxin 7
#5 Wang Qunqi 6
#6 Zhang Hao 5
#7 Lu Yao 5
#8 Yang Xiangtong 5
#9 Li Chao 4
#10 Gao Wenxiang 3

Latest patents

Publication Filing date Title
CN105134119A Sealing device for flow choking pipe
CN105201443A Oil pipe inner stopper for putting steel wires
CN104329046A Rotary hydraulic packer
CN104389543A Milling and fishing integrated well repairing tool
CN104047563A Pressing-down de-locking packer for hydraulic setting
CN103321583A Tubular pile momentum balancing device
CN103321604A Packer with safety valve
CN102733777A Hydraulic setting/unsetting high-pressure packer
CN102261231B Repeated switch sliding sleeve device
CN102650200A Shot-free unidirectional blocking valve
CN102650199A Bidirectional pressure control circulating valve
CN102345452A Self-formed ball seat sliding sleeve
CN102346089A Threaded connection high-pressure gas seal detection tool