ELDER DONALD has a total of 11 patent applications. Its first patent ever was published in 1911. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets machine tools, chemical engineering and machines are DRORI M, DOLLINGER CORP and RHODIUS GMBH.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 4 | |
#2 | United States | 3 | |
#3 | United Kingdom | 2 | |
#4 | Austria | 1 | |
#5 | Switzerland | 1 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Chemical engineering | |
#3 | Machines | |
#4 | Agriculture |
# | Technology | |
---|---|---|
#1 | Metal wire processing | |
#2 | Separation | |
#3 | Horticulture | |
#4 | Spraying devices |
# | Name | Total Patents |
---|---|---|
#1 | Elder Donald | 11 |
Publication | Filing date | Title |
---|---|---|
US10967318B1 | Filter assembly for easy fitment and removal of a filter media | |
GB191414109A | Improved Apparatus for Spraying Gardens, Roads and the like. | |
CA165152A | Spray for gardens, etc. | |
US1121618A | Apparatus for spraying gardens, roads, and the like. | |
CA151082A | Wire wrapping machine | |
GB191106979A | An Improved Wire Wrapping Machine. | |
US1020599A | Wire-wrapping machine. | |
CA223707A | Apparatus for watering areas of land | |
CA310759A | Spraying system |