ELECTRIC WATER STERILIZER AND has a total of 16 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States and Canada. Its main competitors in its focus markets environmental technology, machines and materials and metallurgy are CIE FRANCAISE DE L OZONE, ELECTRIC WATER STERILIZER & OZ and CHEMISCHE WERKE VORM DR HEINRI.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 13 | |
#2 | Canada | 3 |
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Machines | |
#3 | Materials and metallurgy | |
#4 | Civil engineering | |
#5 | Electrical machinery and energy | |
#6 | Surface technology and coating |
# | Technology | |
---|---|---|
#1 | Water treatment | |
#2 | Non-metallic elements | |
#3 | Unspecified technologies | |
#4 | Unspecified technologies | |
#5 | Swimming pools | |
#6 | Processes for applying fluent materials | |
#7 | Electric switches |
# | Name | Total Patents |
---|---|---|
#1 | Buxton Hartman Harry | 9 |
#2 | Hartman Frank E | 4 |
#3 | Hartman Harry B | 2 |
#4 | Edward Hartman Frank | 1 |
#5 | Hartman Harry Buxton | 1 |
Publication | Filing date | Title |
---|---|---|
US1577747A | Air-cooled generating unit for low-frequency apparatus | |
US1613998A | Water-purifying apparatus | |
US1536179A | Means for generating ozone | |
US1514964A | Method of generating ozone | |
US1563851A | Swimming pool | |
US1563850A | Swimming pool | |
US1475697A | Fluid-pressure-actuated switch valve | |
US1395569A | Method of drying or setting paints, varnxshes, enamels, or the like | |
US1498839A | Mixing unit for liquid-purification apparatus | |
US1423658A | Ozone generator | |
US1363589A | Ozone water-purifying apparatus | |
US1430303A | Pressure-mixing device for raw water and ozone | |
US1471260A | Mixer for ozone water-purifying apparatus | |
CA232413A | Ozone generator | |
CA225949A | Ozone generator | |
CA232412A | Ozone generator |