Obtained national patents in 1990:
Longitudinal straight movement construction
   of surface grinder.
Timing belt straight drive system.
Dual motors, positioning and feeding
   construction.

Obtained national patents in 1992:
Timing belt drive system for the table of
   surface grinders.

Roughing and micro table speed control
   construction.

New travel direction change for surface
   grinding.

Obtain US. patents in 1995:
Surface grinding table reverse construction.
Belt drive construction for surface grinding
   table.

Obtain German patent in 1998:
Safety handwheel system.

Obtain national patents in 2002:
Multiple formed grinder.
Dust collector.
Coolant and dust unit.
NC & CNC multiple formed molds.