The report contains ten-year analysis with the following sections
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Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
compact fan | 19 | 2008 |
fan diffuser having a circular inlet and a rotationally asymmetrical outlet | 14 | 2010 |
radial or diagonal ventilator wheel | 14 | 2009 |
radial fan wheel arrangement | 13 | 2010 |
ventilator | 13 | 2010 |
fan and associated support element | 12 | 2012 |
direct current electric motor in an explosion proof design | 12 | 2011 |
radial or diagonal ventilator wheel | 12 | 2010 |
drum impeller with balancing pockets | 11 | 2014 |
circuit for thermal protection and for power control of electric motors | 11 | 2013 |