DOELCO FA has a total of 15 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Germany, EPO (European Patent Office) and France. Its main competitors in its focus markets chemical engineering, civil engineering and furniture and games are DIRECT AIR DRYERS LTD, OVEN SYSTEMS INC and WILLIAMS BOOT & GLOVE DRYERS INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 5 | |
#2 | EPO (European Patent Office) | 2 | |
#3 | France | 2 | |
#4 | Switzerland | 1 | |
#5 | Czechia | 1 | |
#6 | Hungary | 1 | |
#7 | Poland | 1 | |
#8 | Portugal | 1 | |
#9 | Russian Federation | 1 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Civil engineering | |
#3 | Furniture and games |
# | Technology | |
---|---|---|
#1 | Drying solid materials by removing liquid | |
#2 | General building constructions | |
#3 | Domestic washing | |
#4 | Textile treatments |
# | Name | Total Patents |
---|---|---|
#1 | Doerle Alfred | 13 |
Publication | Filing date | Title |
---|---|---|
EP0495248A1 | Machine for centrifugation of carpets | |
DE4039914A1 | Device for dehumidifying insulation layers or voids lying under a cover layer | |
DE2824487A1 | Carpet and upholstery drying equipment - has base for item over which housing with heater fits | |
DE2802620A1 | Carpet and furniture drying equipment - has housing with heater open at bottom and moisture separation unit | |
DE2726371A1 | Drier for carpets and upholstered furniture - has housing with sealing lips held on object and provided with air inlet and outlet | |
DE2717486A1 | METHOD AND DEVICE FOR CLEANING FLOOR SURFACES OR THE LIKE. |