Invention patent: the process from scratch, creatively solving technical problems.
Features: products, methods or their improved new technical solutions.
Patent of utility model: Improve the performance of the product by improving the existing product. Features: A novel and practical technical scheme for the shape, structure or combination of products.
Appearance patent: it will produce aesthetic feeling, but the shape, pattern and color are combined. Features: a new design with aesthetic feeling and suitable for industrial application, which aims at the shape, pattern or combination of products and the combination of color and shape and pattern.
Beijing xujin