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EST TOOLS CO LTD

Overview
  • Total Patents
    47
  • GoodIP Patent Rank
    40,998
  • Filing trend
    ⇩ 37.0%
About

EST TOOLS CO LTD has a total of 47 patent applications. It decreased the IP activity by 37.0%. Its first patent ever was published in 2012. It filed its patents most often in China and United States. Its main competitors in its focus markets machine tools, electrical machinery and energy and measurement are MELCHIORRE FRANCESCO, OPPLIGER WALTER and TANI TEC KK.

Patent filings in countries

World map showing EST TOOLS CO LTDs patent filings in countries
# Country Total Patents
#1 China 45
#2 United States 2

Patent filings per year

Chart showing EST TOOLS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Ziyan 47
#2 Xia Yongsheng 22
#3 He Qinsong 18
#4 Yu Aijia 18
#5 Pan Mingfeng 14
#6 Yang Yibo 10
#7 Zhu Jiafeng 9
#8 Yang Minli 8
#9 Li Zhenhua 7
#10 Xu Jiabin 7

Latest patents

Publication Filing date Title
CN111730013A Spline gear rubbing cutter with chamfering processing function
CN111730131A Rough and fine split barrel type broaching precision knife barrel
CN111112701A Assembled hole bores
CN110842281A Broaching broach integration of small-modulus internal gear
CN110842282A Spline broach with broaching stress release area and correction area
CN110899831A Broaching process method of small-modulus internal gear
CN110449660A A kind of hand reamer
CN109732353A A kind of burr remover
CN109967669A A kind of multiple spline gear rolling knife of band guiding processing
CN109719345A A kind of barrel type pull broach with cooling bath
CN109834207A Multiple-variety multiple-station spline threaded shaft gear rolling technique
CN109551045A A kind of reusable carbide broach
CN109579666A A kind of internal spline stick spacing detection feeler gauge
US2020180055A1 Pot broaching tools and methods for remanufacture-forming pot broaching tools
CN109014995A A kind of clamping drilling attachment
CN108856819A A kind of indexable steel plate drill bit
CN108127482A A kind of adjustable swelling detecting core shaft
CN108031874A A kind of cutter life memory chip
CN108057826A End tooth ball-type multiple spline gear rolling knife
CN108044181A A kind of accurate knife cylinder of cartridge type broaching