JOHNSON ALLEN S has a total of 12 patent applications. Its first patent ever was published in 1909. It filed its patents most often in Canada, United States and Argentina. Its main competitors in its focus markets thermal processes, chemical engineering and furniture and games are JOHNSON ALLEN STARLING JR, WUXI UNMIXED CLEANSE EQUIPMENT CO LTD and FILTRETE BV.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 7 | |
#2 | United States | 4 | |
#3 | Argentina | 1 |
# | Industry | |
---|---|---|
#1 | Thermal processes | |
#2 | Chemical engineering | |
#3 | Furniture and games |
# | Technology | |
---|---|---|
#1 | Furnaces | |
#2 | Separation | |
#3 | Air-conditioning | |
#4 | Household appliances |
# | Name | Total Patents |
---|---|---|
#1 | Johnson Allen S Jr | 7 |
#2 | Johnson Allen S | 4 |
Publication | Filing date | Title |
---|---|---|
CA1170999A | Bag-type filter with air diffuser tubes of helical construction | |
CA1158041A | Thermally insulated rotary kiln and method of making same | |
CA1146748A | Apparatus and method for treating an aggregate material with a flowing gas | |
CA1151082A | Bag-type filter apparatus with combination bag support and air diffuser | |
CA1151081A | Bag-type filter apparatus with internal air diffuser | |
US1897905A | Flower stand | |
US1087380A | Ventilating apparatus for kitchens. | |
US951761A | Ventilating system. | |
US948629A | Ventilating system. |