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KNOWLTON DALLAS

Overview
  • Total Patents
    20
About

KNOWLTON DALLAS has a total of 20 patent applications. Its first patent ever was published in 1901. It filed its patents most often in Canada, United States and France. Its main competitors in its focus markets packaging and shipping, control and engines, pumps and turbines are PERNOD, COHEN ADAM and NELLE LASSIE BV.

Patent filings in countries

World map showing KNOWLTON DALLASs patent filings in countries
# Country Total Patents
#1 Canada 10
#2 United States 8
#3 France 1
#4 United Kingdom 1

Patent filings per year

Chart showing KNOWLTON DALLASs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Knowlton Dallas 19
#2 Dallas Knowlton 1

Latest patents

Publication Filing date Title
US967936A Jar-closure.
US870239A Jar-closure.
US890068A Jar-closure.
CA86326A Jar closure
CA83672A Vending machine
US720819A Bottle.
US727808A Jar-closure.
GB190214180A Improvements in Coin-freed Vending Machines.
US703138A Vending-machine.
US703207A Coin-controlled mechanism for vending-machines.
US703137A Vending-machine.
CA25330A Bed bottom
CA23833A Bed bottom frame
CA24126A Bed bottom
CA11516A Improvements on bed bottoms
CA25112A Bed bottom
CA28330A Street and other cars
CA15609A Improvements on bed bottoms
CA19944A Frame for bed bottom