There are the following types of patents for the development of new steel types:
1. Invention patents: For innovative inventions of new steel types, you can apply for an invention patent. Invention patents require innovation, practicality and feasibility, and can obtain a longer patent protection period.
2. Utility model patents: For new structures, new shapes, etc. of new steel types, you can apply for utility model patents. The protection period of utility model patents is relatively short, generally 10 years.
3. Design patent: For the appearance design of new steel types, you can apply for a design patent. Design patents protect the appearance, shape and pattern of a product, and can effectively protect the appearance characteristics of the product.