Reed Richards might not be the best example for this sort of thing, though, given that a number of his inventions HAVE actually made it out into the Marvel U. I mean, just about every MU hero worth his salt wears outfits made of unstable molecules, and SHIELD uses Reed-tech all the time. Also, I believe it's canon that one of the ways in which the FF finances itself is through all the patents that he comes up with. True, the bulk of his inventions are kept to himself, but there are a fair amount of his tamer devices that the public might actually get to use.