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MACDOUGALL JOHN

Overview
  • Total Patents
    11
About

MACDOUGALL JOHN has a total of 11 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets pharmaceuticals, chemical engineering and environmental technology are BLONDE HOLDINGS PTY LTD, ELDER PAUL B CO and WANG XINGHUA.

Patent filings in countries

World map showing MACDOUGALL JOHNs patent filings in countries
# Country Total Patents
#1 United States 6
#2 Canada 4
#3 United Kingdom 1

Patent filings per year

Chart showing MACDOUGALL JOHNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Macdougall John 11
#2 James Samuel Thurley Thomas 1
#3 West Kip A 1

Latest patents

Publication Filing date Title
US2010297118A1 Therapeutic Cancer Treatments
US2012019814A1 Sensing system
GB130896A Improvements in and relating to the Colouring of Photographs, Engravings and other Prints.
CA74933A Water purifying apparatus
CA74724A Water purifying process
CA74934A Water purifying apparatus
US837631A Filter.
US646387A Process of purifying water.
US646854A Apparatus for purifying water.
US649329A Purification of water.
CA259336A Head band for telephone receivers