Why was james watt important during the industrial revolution

Though he did not invent the steam engine, Watt made improvements to the engine.  The steam engine was invented by Thomas Savory and Thomas Newcomen.  Watts improved the engine by using a separate condensing chamber to makes run constantly and insulated it to preserve high temperature to run effectively.  He also created the pressure gauge to measure pressure and built the rotary engine for running various types of machines.  As a result, his engine was used by factories and amped up the Industrial Revolution.