Elon Musk’s 10 greatest inventions changing the world While some of the companies Musk has founded are more famous than others, he has been actively inventing things since before he was a teenager. Early efforts in software and software companies have since evolved into consumer products and mass-transportation visions. And although some of those visions may seem impossible at first glance, Musk’s track record has muted many doubters. His breakthrough thinking has helped him amass a net worth around $13.5 billion.

But there’s more to Musk than just the companies you’ve heard of. Here’s a look at his wide range of revolutionary ideas, patents, products and companies.