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NANTONG YONGDA PIPE INDUSTRY CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    177,318
About

NANTONG YONGDA PIPE INDUSTRY CO LTD has a total of 14 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets machine tools and civil engineering are MCC CORP, HYTORC NORGE AS and FRANK S INT LTD.

Patent filings in countries

World map showing NANTONG YONGDA PIPE INDUSTRY CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing NANTONG YONGDA PIPE INDUSTRY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhu Shizhong 6
#2 Xiao Tianfu 5
#3 Guo Jun 4
#4 Xu Zhenlin 3
#5 Xu Peilin 2
#6 Chen Wenfeng 2
#7 Cai Jiaxiang 1
#8 Deng Longren 1
#9 Gong Jianbing 1
#10 Liu Rong 1

Latest patents

Publication Filing date Title
CN104858908A Heated cutting device for pipe fittings
CN104858491A Novel efficient pipe shearing machine
CN104708585A Separation tool for locked hole and shaft
CN104573258A Oil sleeve special threaded connector computer simulation system
CN104190755A Flattened metallic pipe repairing tool
CN104148685A Deep hole boring cutter row
CN104097035A Multi-pass thickening molding integrated heavy weight drill pipe manufacturing method
CN104097021A Novel API petroleum pipeline thread repairing and buckling method
CN103556955A Sealing part structure for high sealing performance oil pipe
CN103556956A Self-adaptive screw thread structure for high sealing performance oil pipe
CN103143669A External upsetting method for oil well pipe and oil well pipe manufactured by using external upsetting method
CN103089159A Intelligent drilling rod with chip and intelligent drilling rod data transmission device
CN103091397A Long-span oil tube blank detection method and device thereof
CN103089165A Double-step threaded buckle for connecting drill rod for well drilling