When George invents a tabletop device that produces large quantities of hydrogen from water, he knows he has a winner and decides to produce the device himself. Note that at the time he begins this venture, George has applied for a patent.

In light of the above, is there anything else George should apply for to ensure that his invention is protected?

Also, if he plans to license the technology for the device to companies, is there anything he should put in place to ensure that his invention is protected?