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FUNAN COUNTY FENJIN MACHINERY MFG CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    129,374
  • Filing trend
    ⇧ 900.0%
About

FUNAN COUNTY FENJIN MACHINERY MFG CO LTD has a total of 15 patent applications. It increased the IP activity by 900.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets macromolecular chemistry and polymers, basic materials chemistry and surface technology and coating are SHENYANG PARKERIZING CO LTD, NIPPON PAINT IND COATINGS CO LTD and SAMHWA PAINT IND CO LTD.

Patent filings in countries

World map showing FUNAN COUNTY FENJIN MACHINERY MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing FUNAN COUNTY FENJIN MACHINERY MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ding Enya 14
#2 Ding Qingping 13
#3 Ma Cong 2
#4 Enya Ding 1
#5 Qingping Ding 1

Latest patents

Publication Filing date Title
CN110107234A A kind of well drilling rig
CN108728718A A kind of drill bit suitable for soft or hard staggeredly stratum
CN108754273A A kind of preparation method of Anti-erosion PDC matrix drill bits
CN108754492A A kind of PDC steel body bits surface enhanced method
CN108795110A A kind of coating of enhancing drill bit wear resistance
CN108913315A A kind of antifouling lubricating oil of drilling machinery
CN108912869A A kind of preparation method of the anti-mud drum coating of PDC drill bit
CN108707890A A kind of trepan steel accessory surface blackening process method
CN108745839A A kind of processing method for promoting trepan and unloading linkage part service life
CN108822685A A kind of vehicle mounted electric hydraulic vibration-type drilling well machine base anticorrosive paint
CN108677138A A kind of method of spiral rotary head surface salt bath vanadizing
CN107269224A A kind of anti-backwater drill bit device
CN104329036A Vehicle-mounted electric hydraulic vibrating-type well drilling machine drilling rod unloading mechanism
CN103382809A Vehicle-mounted electric hydraulic vibratory well drilling machine
CN102678054A Spirally bottom-expanding integrated drill bit