Read the whole post:
It’s getting interesting. If a scam, it has now reached a major hurdle. In this world, of skepticism and contempt, of phone cameras and internet speed, it will be found out quickly. This cannot be hidden for long.
No patent? Always dubious.
The only reason it has yet to be debunked is that he is not letting people look at it and duplicate it.
Notice that HE doesn't release test reports. That would leave him open for another fraud conviction.