There's a lot of buzz these days about "free energy" machines. These machines seem to violate the laws of physics (seem being the key word). While I don't dismiss the idea, and can even get my head around the possibility that what's being tapped is actually a source of energy as of yet, unacknowledged, I do find it very suspicicious that some of the "pioneers" in the field have had their devices under development for decades with no commercial results other than books and videos.
You'll hear a variety of excuses for this - "We can't get a patent. We need more funding. It's almost ready!"
Here's the challenge:
If you have developed a system that produces more energy than the user must contribute to it, put something on the market. It doesn't have to be revolutionary. Create a lamp that one never has to plug in or replace a battery for. You don't even have to go mass market. Make a couple and sell them on Ebay. Forget the patent. If you're the first to market with such a thing, you'll make a fortune on the interview circuit alone.
The lack of funding or patent arguments are pure bunk. The recognition for being the one to bring a revolutionary discovery to the public arena would make you rich in and of itself. If you have no product, you have nothing. If you think you have something, do the Google thing: Give it away and capitalize on the gooodwill. If you don't someone else will.
Good, luck! I'm not holding my breath.