The report contains ten-year analysis with the following sections
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vaillant | 85 |
vaillant austria | 34 |
Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
method of adjusting the air/fuel ratio for a gas fired burner | 11 | 2007 |
safety switch | 9 | 2014 |
heat exchanger for a condensing boiler | 9 | 2007 |
condensate separator | 9 | 2014 |
method for the determination of the heating requirement of dwellings | 9 | 2014 |
high temperature fuel cell system with exhaust gas reclamation | 9 | 2008 |
method for avoiding dry fire in electric continuous-flow heaters | 8 | 2014 |
ducted air appliance with ventilation closure means | 8 | 2015 |
adaption element for screw-in heaters of a hot water boiler | 8 | 2010 |
hot water tank | 8 | 2009 |