Refers to new style patent.
The patent number starts with the letter D followed by a numerical sequence, such as D333, 333. This type of patent mainly targets the appearance design of the product. According to the Patent Law, there are three types of patents in China: inventions, utility models, and designs. Among them, inventions are new technical solutions proposed for products, methods or their improvements; utility models include technical solutions for operating methods, manufacturing methods, process flows, etc.; and designs are technical solutions to the shape, pattern, color or process of a product. The combination creates a new design that is both aesthetically pleasing and suitable for industrial applications.