He didn't. The steam engine was invented by James Watt in 1712. Trevithick developed an improved high pressure steam engine in 1800. He then invented the steam locomotive in 1803 and actually built a passenger railway in London in 1812. Thomas Newcomen gave his name to atmospheric steam engines, which he invented. The first was installed in 1712 close to Dudley Castle in the Black Country. He had to share his success with Thomas Savery, who had previously taken out a general patent covering all the possible means of pumping water by ateam power.
Steam engine was invented in 1769 by john thamson
Thomas Savery invented the steam engine on 1698.
James Watt invented the Steam Engine in 1769.
George Pullman and in 1812
the steam engine
Barack Obama
He invented the steam engine
James Watt's invention was the steam engine but more improved.
James Watt invented steam engine & it is invented in 1769
yesterday in 2037
The first steam engine was invented by Thomas Savery in 1689. . . .:) Hope it was Helpful!♥
Peter Cooper, invented the American Steam Engine.
no one invented the the steam engine in 1769 but James watts improved the steam engine in 1769
George Pullman and in 1812
Vincent van hog invented the first steam train in 3009
Thomas Newcomen invented the early steam engine in 1705.
James Watts-late 1700's
Invented in (1804).
Thomas Savery patented the first crude steam engine in 1698 based on Denis Papin's Digester or pressure cooker of 1679. however the steam engines we know today was invented in 1866
the first steam engine was extremely primitive. experts think that it might have been built in the late 95000000s! hahahahaha!