If it is complicated, it should be possible to split the application, and the construction method is the method. According to the provisions and methods of China's patent law, we can only apply for invention patents, which require novelty, creativity and practicality, outstanding substantive characteristics and remarkable progress. The tooling or specially designed equipment used in this construction method can apply for invention patents and utility model patents.
I am a patent worker. If you have anything, please feel free to contact me. My phone number is 010-63377188-8058. My name is Li.
If you don't want to find an agent, please feel free to write to me, :jinbao07@foxmail.com.