Patent Buddy offers a free search of patents, inventors and current patent owners. You can also search for patent attorneys & agents.
So the USPTO has developed the Inventor Search Assistant Tool (ISAT), a way to help demystify the patent process by sparing you from having to go through a patent search training program.

Google Patents is a search platform with 120+ million patent dataset covering in 100+ jurisdiction that makes it one of the best available patent databases.

Moving forward, it's essential to keep these visual contexts in mind when discussing Inventor Search Platform.