FAQ

What was the most important invention?

Controlled fire is arguably the most important, enabling cooking, warmth, protection, and eventually metalworking. The printing press and internet are the most transformative for knowledge sharing.

Who is the most prolific inventor?

Thomas Edison held 1,093 patents. Nikola Tesla held over 300. Yoshiro Nakamatsu claimed over 3,000 patents. However, many inventions involve teams rather than individuals.

What is the oldest known invention?

Stone tools date back 3.3 million years, predating Homo sapiens. Controlled fire dates to about 1 million years ago. The wheel is relatively recent at 5,500 years old.

How many inventions are patented each year?

Over 3 million patent applications are filed worldwide annually. China leads with over 1.5 million, followed by the US and Japan. Over 90% of patents never generate revenue.