It partly depends on what you mean by rocket engine; the Aeolipile was a steam rocket powered sphere which was first described in the first century AD - 2000 years ago
Barnes Wallace
dno
The Oldsmobile V-8 rocket engine was introduced in the 1949 model year.
Oldsmobile introduced the "Rocket" overhead valve V8 engine.
It was invented and built at the Forth Street works, Birmingham by Robert Stevenson and company in 1826
Who invented the rocket Catapult
He invented the rocket in 1926
invented an engine protection system for recoverable rocket booster and received U.S. patent # 5,328,132 on July 12, 1994.
jerry shelby invented the engine protection system for recoverable rocket boosters.
that does not make scense
The first rocket, known as an aeolipile, was invented by Hero of Alexandria in the 1st century AD. This invention laid the foundation for modern rocket technology.
The propulsive force of a rocket engine is called thrust. It is the force that propels the rocket in the opposite direction to the exhaust expelled from the rocket engine.