A lot of the answers so far wrongly say SpaceX vertical landing can’t be patented because vertical landing rockets existed in the past. Most of the rocket’s parts are built elsewhere, notably on the other side of the … SpaceX rockets were built from the beginning with reusability in mind—they have enough built-in fuel margin to deliver a Dragon to the space station and return the first-stage to Earth.
On May 27, SpaceX will launch two NASA astronauts to the International Space Station in the first-ever crewed test flight of its Crew Dragon astronaut taxi. SpaceX first achieved a successful landing and recovery of a first stage in December 2015, and in April 2016, the first stage booster first successfully landed on the ASDS Of Course I Still Love You. It's gone from launching small rockets in the orbit just to be destroyed upon landing to launching the most powerful rocket in the world and successfully landing it. SpaceX continues to carry out first stage landings on every orbital launch that fuel margins allow.
SpaceX's rocket, on the other hand, actually launched a Dragon spacecraft into orbit before landing at sea. This is absolute nonsense. Elon Musk and his team even have ambitions to eventually leave our home planet and colonize Mars but have you ever wondered how SpaceX can get money out of all this. SpaceX's Dragon Spaceship - The SpaceX Dragon spaceship will carry cargo and crew and may even use the International Space Station. That extra fuel is needed to reignite the engines a few times to slow the rocket down and ultimately land the first stage after it has sent the spacecraft on its way. SpaceX doesn’t build the Falcon 9 in Florida, it’s just assembled there. SpaceX created history on Feb. 6, 2018 by launching the Falcon Heavy — which is, per SpaceX's company website, "the most powerful operational rocket in the world by a factor of two. Learn more about the SpaceX Dragon spaceship.