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CLOSZ CHARLES

Overview
  • Total Patents
    21
About

CLOSZ CHARLES has a total of 21 patent applications. Its first patent ever was published in 1895. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets chemical engineering, machines and civil engineering are ROTEX, OVERSTROM GUSTAVE A and CPI WIRECLOTH & SCREENS INC.

Patent filings in countries

World map showing CLOSZ CHARLESs patent filings in countries
# Country Total Patents
#1 Canada 10
#2 United States 9
#3 United Kingdom 2

Patent filings per year

Chart showing CLOSZ CHARLESs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Closz Charles 21
#2 Closz Jacob 1

Latest patents

Publication Filing date Title
CA120254A Sieve
CA120255A Sieve
US909757A Adjustable sieve.
US873719A Adjustable sieve.
US925623A Adjustable sieve.
US763158A Adjustable sieve.
US780158A Adjustable sieve.
CA78042A Grain cleaning screen
CA77640A Grain separating screen
US721940A Grain-separating screen.
US698258A Grain-cleaning screen.
US682670A Grain-separating screen.
US642961A Lock and latch.
GB189519350A Improvements in Grain Separating Screens for Thrashing Machines.
GB189519351A Improvements in Grain Separating Screens for Thrashing Machines.
CA38511A Seperator and cleaner for grain
CA43339A Grain screen
CA49926A Grain screen
CA50617A Grain separating screen for threshing machines
CA35268A Grain separator