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.