Which department does Tesla's patent belong to?

Tesla's public patent belongs to the US Patent Administration. Types in China include inventions, utility models and designs, while types in the United States include utility patents, plant patents and designs. An invention patent can only be applied if it is a functional invention or design. Invention patents generally cover the scope of inventions and utility models in China's patent concept, but it is difficult to authorize applications for utility models that are not innovative. Inventions that can be applied include processes, machines, products and compositions. The process can be a method or a new application of the invention. The United States excludes nuclear materials and atomic energy used in weapons from the scope of patent law protection.