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HSU YUN TUNG

Overview
  • Total Patents
    23
About

HSU YUN TUNG has a total of 23 patent applications. Its first patent ever was published in 1978. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, machines and engines, pumps and turbines are MILLER HARRY C, NAGASAWA SEISAKUSHO and WIDEN AND SANDH KEY PARTNERS A.

Patent filings in countries

World map showing HSU YUN TUNGs patent filings in countries
# Country Total Patents
#1 United States 5
#2 Canada 4
#3 EPO (European Patent Office) 4
#4 Australia 2
#5 South Africa 2
#6 Belgium 1
#7 Czechia 1
#8 Germany 1
#9 India 1
#10 Italy 1
#11 New Zealand 1

Patent filings per year

Chart showing HSU YUN TUNGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hsu Yun-Tung 14
#2 Hsu Yun Tung 7
#3 Tung Hsu Yun 1

Latest patents

Publication Filing date Title
CZ326695A3 Lock assembly with curved key slot and a flexible key for controlling thereof
AU5506294A A flexible key and anti-pick lock assembly
ZA9400897B A flexible key and anti-pick lock assembly
US5131247A Lock assembly with curved keyway
CA2022541C Lock assembly
US5081856A Lock incorporating gear shift lever
AU602852B3 Improved lock assembly
US5086632A Flexible key and lock assembly
US5064528A Multiple housing filter system
US4822246A Fan for moving fluid axially and radially
BE889768A Automatic return hinges.