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MACKAY DONALD

Overview
  • Total Patents
    13
About

MACKAY DONALD has a total of 13 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets transport, measurement and thermal processes are TSYGANKOV VLADIMIR N, FUKAGAWA KK and Shanghai longsheng industry co ltd.

Patent filings in countries

World map showing MACKAY DONALDs patent filings in countries
# Country Total Patents
#1 United Kingdom 5
#2 Canada 3
#3 United States 3
#4 Denmark 1
#5 France 1

Patent filings per year

Chart showing MACKAY DONALDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mackay Donald 11

Latest patents

Publication Filing date Title
GB0219140D0 Improved ventilation duct and method of producing same
GB102021A Improvements in Aerostructures.
CA172200A Aeroplane
US1215295A Aeroplane.
CA133448A Apparatus for indicating for trim of a ship, etc.
US1031799A Apparatus for indicating the trim of a ship, vessel, or the like.
CA131255A Ship weighing machine
US1002857A Apparatus for indicating the weight of a vessel's cargo.
GB190928091A Improved Apparatus for Indicating the "Trim" of a Ship, Vessel or the like.
GB190923385A Apparatus for Automatically Indicating the Weight of Cargo or the like Placed on Board Ship.