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HONG KONG STATIONERY MFG CO LT

Overview
  • Total Patents
    15
About

HONG KONG STATIONERY MFG CO LT has a total of 15 patent applications. Its first patent ever was published in 1997. It filed its patents most often in United States, China and Canada. Its main competitors in its focus markets consumer goods and machines are ELMA N DAWSON, MCMILLAN BOOK CO and SIEBER & TRUSSELL MNFG CO.

Patent filings in countries

World map showing HONG KONG STATIONERY MFG CO LTs patent filings in countries
# Country Total Patents
#1 United States 9
#2 China 3
#3 Canada 1
#4 EPO (European Patent Office) 1
#5 United Kingdom 1

Patent filings per year

Chart showing HONG KONG STATIONERY MFG CO LTs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Consumer goods
#2 Machines

Top inventors

# Name Total Patents
#1 Ko Chung Nin 5
#2 Wong Yiu Wing 4
#3 Wong Kin Chung Wilson 1
#4 Wong Yiu W 1
#5 Ko Chung N 1
#6 Lam Wan Yip 1

Latest patents

Publication Filing date Title
CA2589354A1 Ring binder mechanism
CN1727205A Lever arch binder mechanism with complementary ring tips
US2005260029A1 Lever arch binder mechanism with complementary ring tips
US2005260030A1 D-ring binder mechanism with complementary ring tips
US2005135871A1 Ring binder mechanism with pronged metal anchors
US2004234328A1 Safety ring binder having sliding actuators
US2004067094A1 Trigger construction for ring binder mechanism
US6637968B2 Three-ring binder with actuating crank
US6179507B1 Permanently locking ring binder
GB9919015D0 Ring binder mechanism
US6206601B1 Locking booster ring binder mechanism
US5882135A Ring binder assembly