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TONG LUNG METAL IND CO LTD

Overview
  • Total Patents
    125
  • GoodIP Patent Rank
    119,857
About

TONG LUNG METAL IND CO LTD has a total of 125 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States, Canada and Taiwan. Its main competitors in its focus markets machines, civil engineering and pharmaceuticals are EVERSAFETY PREC INDUSTRY TIANJ, SERVIAL CC APS and YU CHUN TE.

Patent filings in countries

World map showing TONG LUNG METAL IND CO LTDs patent filings in countries

Patent filings per year

Chart showing TONG LUNG METAL IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kuo Ching-Chuan 46
#2 Don Lan-Kun 29
#3 Chiou Ming-Shyang 26
#4 Chen Po-Yang 21
#5 Wu Rong-Faa 21
#6 Fann Yaw-Shin 18
#7 Yang Ju-Lin 14
#8 Chiang Wei-Liang 13
#9 Lin San-Yi 13
#10 Shyu Song-Gen 12

Latest patents

Publication Filing date Title
US2021056787A1 Electronic lock
US2017152681A1 Door lock having locking mechanism
US2016130837A1 Lock assembly
US2015007621A1 Deadbolt lock assembly
TW201540923A Method for installing an electronic lock on a left or right door
US2014223976A1 Re-keyable cylinder lock
CA2822773A1 Transmission mechanism of a lock assembly
TW201504509A Push / pull / rotary lock
US2013241216A1 Lock shell assembly
US2013118218A1 Lock assembly having outer and inner lock units
CA2779940A1 Push-button type cylinder lock assembly
CA2771950A1 Handle-returning device for a cylinder lock assembly
CA2767508A1 Exchangeable cylinder lock assembly
CA2715572A1 Electric door lock
CA2712655A1 Electric door lock
US2010225123A1 Latch-bolt mechanism with a distance-adjusting device
US2010225126A1 Latch-bolt mechanism operable to allow for idle rotation of an exterior handle
JP2010133240A Re-keyable cylinder lock
CA2678984A1 Lock with a support structure
CA2666704A1 Cylinder lock having a reinforcement structure coupled to an outer rose disc