Invention refers to a new technical scheme proposed for a product, method or its improvement.
Utility model refers to a new practical technical scheme for the shape, structure or combination of products.
Appearance design refers to a new design with aesthetic feeling and suitable for industrial application based on the shape, pattern or combination of products and the combination of colors, shapes and patterns.
To apply for a national patent is to submit a patent application to China National Intellectual Property Administration, and after authorization, you can have a patent right.