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TECH STELL CO LTD

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    206,831
  • Filing trend
    ⇩ 50.0%
About

TECH STELL CO LTD has a total of 20 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2003. It filed its patents most often in Japan, Taiwan and United States. Its main competitors in its focus markets mechanical elements, machine tools and machines are COOPER & TURNER LTD, HSU FU-CHUAN and HAIYAN DONGSHENG FASTENER MFG CO LTD.

Patent filings in countries

World map showing TECH STELL CO LTDs patent filings in countries

Patent filings per year

Chart showing TECH STELL CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Lin Chen-Mao 11
#2 Lin Cheng-Mao 3
#3 Chang Shih-I 2
#4 Lin Chen Chao 1
#5 Shih-I Chang 1
#6 Lin Chengmao 1
#7 Chengmao Lin 1

Latest patents

Publication Filing date Title
JP2019089123A Punch head structure of looseness preventive nut set
CN109773043A Jam nut group formed punch structure-improved
TW201918300A Improved punch structure for locking nut set can ensure the position of the washer to be correct when riveting the washer and the nut
AU2009100347A4 Unlocking-resistant and loosening-resistant nut assembly
DE102008003065B3 Hexagonal retaining washer manufacturing method for mechanical engineering, involves stamping outer mold of washer without separating outer mold from material strip, producing final accurate mold of washer, and separating washer from strip
JP2008030065A Method for manufacturing anti-theft and anti-loosening washer
JP2008030048A Method of manufacturing hexagonal anti-thft/anti-loosening washer
US2008034566A1 Method for producing hexagonal washer
US2008009355A1 Method for producing circular washer
CN101088700A Process of making anti-theft locking spacer
TW200630172A Method for making hexagonal anti-theft and anti-looseness washers
TW200630548A Production method for anti-theft and anti-loosening washer
US2007196195A1 Plastic fastening device
GB0511005D0 Washer with V grooves
FR2886359A3 SAFETY BOLT
AU2005100450A4 Loose-proof screw bolt
MXPA03009199A Structure of an anti-burglar screw bolt.
CA2438817A1 Structure of an anti-burglar screw bolt
ZA200306655B Structure of an anti-burglar screw bolt.