Non-patented inventions mainly include:
1 scientific and technological inventions generally only use the objective laws of nature to create new technologies-emphasizing originality. Its definition is quite strict.
2 Achievement of invention
3. Daily Invention This is the invention with the widest number, low technical level and uncomplicated practical process. In addition to the above-mentioned non-patents, it also refers to technological innovations, new methods, new processes, new instruments, new appliances and other small inventions and minor reforms that are specifically applied in various fields such as actual production, life, management and learning.