method can only apply for invention patent. It is best to find a patent agency to help you write documents and carry out various procedures. Of course, you can do it yourself, but patent application is a very professional legal act. A patent document is a legal document first, and then a technical document. A good agent can bring great benefits to your application. Of course, the level and responsibility of agents are indeed very different.
in your case, do you have to apply for a patent? I suggest you have a good understanding, or consult a patent agent. If you apply for a patent, it must be made public. Can you still get economic benefits from this technology after it is made public?