BACKER ELEKTRO VAERME has a total of 44 patent applications. Its first patent ever was published in 1957. It filed its patents most often in Sweden, Switzerland and Austria. Its main competitors in its focus markets electrical machinery and energy, control and machine tools are BEURER GMBH & CO, THERMONETTE APPLIANCES LTD and DREAMLAND ELECTRICAL APPLIANCE.
# | Country | Total Patents | |
---|---|---|---|
#1 | Sweden | 15 | |
#2 | Switzerland | 5 | |
#3 | Austria | 4 | |
#4 | Canada | 3 | |
#5 | Denmark | 3 | |
#6 | France | 3 | |
#7 | Germany | 2 | |
#8 | Finland | 2 | |
#9 | United Kingdom | 2 | |
#10 | Norway | 2 | |
#11 | WIPO (World Intellectual Property Organization) | 2 | |
#12 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Control | |
#3 | Machine tools | |
#4 | Thermal processes | |
#5 | Civil engineering |
# | Name | Total Patents |
---|---|---|
#1 | Elofsson Kjell | 5 |
#2 | Elofsson K | 5 |
#3 | Danielsson Algot | 5 |
#4 | Nilsson G | 3 |
#5 | Sture Viking Eskilson | 3 |
#6 | Eskilson Sture V | 3 |
#7 | Danielsson A | 2 |
#8 | Elofsson Kjell-Aake | 2 |
#9 | Elofsson K A | 2 |
#10 | Elofsson K-Aa | 2 |
Publication | Filing date | Title |
---|---|---|
WO9208331A1 | Electric tubular heating element and temperature controller therefor | |
WO9111892A1 | Electric tubular heating element and method for making the same | |
SE9002458D0 | Electrical tubular heating element - comprises spiral resistance wire embedded in powdered insulating material and encased in metal tube | |
SE8201089L | Arrangement at a vessel for heating of liquid by an electrical heating element introduced through the vessel wall | |
DE2743325A1 | DEVICE FOR TEMPERATURE LIMITING IN DUCT HEATERS | |
GB1065890A | Improvements in or relating to machines for bending pipes,rods and bars | |
GB857901A | Improvements in or relating to methods of sealing tubular electric heating elements | |
CA771455A | Machines for bending pipes, rods and bars | |
CA810871A | Manufacture of sheathed insulated electric conductors | |
CA641328A | Heating devices for railway switches |