Hans Böni

Percussion electrical hand-held tool

Microcontroller for and a method of controlling operation of the safety clutch of a hand-held electric power tool

Controlling device for a hand-held power tool

Control method of a percussion power drill

Electric hand tool with safety coupling

Method and device for investigating and identifying the nature of a material

Electrical hand tool with axial percussion

Method of and device for determining a time-dependent gradient of a shock wave in a ferromagnetic element subjected to a percussion load

Method and apparatus for investigation and identification of the nature of the underlying surface

Ausrichthilfe und Steuerungsverfahren