Your guess was quite correct. De Bellis -(who I am told is a very nice guy) knows all the players (including Rossi) on the LENR scene in both UniBo and Siena. The patent is concerned with remediation of nuclear waste of course. The device AFAIK has never been built, and if you check out the patent it really does involve chucking every known and unknown method of stimulating the reaction into the mix. Personally except as a source of ideas, I would not take this too seriously.
Are you saying that the sections named "Experiment 1" ... "Experiment 4" in the patent are completely invented?