May I ask if I can apply for a patent for biomass powder briquette? You can apply for a patent for using biomass powder as a block. Because this technology and method is a new invention and an innovative invention. For innovative inventions, you can apply for utility model patents, and for new inventions, you can apply for invention patents. In the process of patent application, we need to consider the technical implementation scheme of the patent, the scope of patent protection and the innovation of the patent.