(1) First of all, novelty, creativity and practicality are the necessary conditions for an invention or utility model to obtain a patent right. Novelty means that before the filing date, no identical invention or utility model has been published in publications at home and abroad, used in China or known to the public in other ways, and no identical invention or utility model has been applied to the Patent Office by others and recorded in the patent application documents published after the filing date. Creativity means that compared with the prior art before the filing date, the invention has outstanding substantive features and remarkable progress, and the utility model has substantive features and progress. Practicality means that the invention or utility model can be manufactured or used and can produce positive effects.
(2) If multiple technical points can be applied through cases, they can also apply for patents separately. However, if the technical features of the invention are different, or there is no direct connection between each technology, but each technology is integrated to realize the function you want to achieve on this firewood stove, then you must apply it as a whole.
(3) If your product has many technical points, you can go to an agent and discuss the details.