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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 5 | |
#2 | Canada | 3 | |
#3 | United States | 3 | |
#4 | Denmark | 1 | |
#5 | France | 1 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Measurement | |
#3 | Thermal processes | |
#4 | Mechanical elements | |
#5 | Machines | |
#6 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Aeroplanes | |
#2 | Measuring volume | |
#3 | Ships | |
#4 | Air-conditioning | |
#5 | Pipes | |
#6 | Unspecified technologies | |
#7 | Finishing work on buildings |
# | Name | Total Patents |
---|---|---|
#1 | Mackay Donald | 11 |
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. |