1. View the patent specification: The patent specification for utility model is an important document describing the technical scheme and implementation of the patent. The utility model patent has been popularized, and the information related to the patented technology can be found in the "technical field" or "background technology" of the specification.
2. Query the patent database: You can query the relevant information of utility model patents through the patent database, including the applicant, application date, publication date, authorization date, patent claim and other information. The utility model patent has been promoted, and the related promotion information can be inquired in the database.