Descriptions for H02N and notes/indexes are displayed on this screen.


Note(s)
    This subclass covers:[7]
      electrostatic generators, motors, clutches, or holding devices;other non-dynamo-electric generators or motors;holding or levitation devices using magnetic attraction or repulsion;arrangements for starting, regulating, braking, or otherwise controlling such machines unless in conjoint operation with a second machine.
    Attention is drawn to the Notes following the titles of class B81 and subclass B81B relating to "microstructural devices" and "microstructural systems".Specific provision for generators, motors, or other means for converting between electric and other forms of energy also exists in other subclasses, e.g. in class H10 and subclasses H01L, H01M, H02K, H04R.