What kind of inventions are patents? Can you be specific?

The process and achievements of applying natural laws to solve special problems in the technical field and putting forward innovative schemes and measures. This product was invented to meet the needs of people's daily life. There are useful inventions and useless inventions. The achievements of the invention either provide an unprecedented model of artificial natural objects or provide new technologies and methods for processing and manufacturing. The innovation and transformation of machinery and equipment, instruments and various consumer goods, as well as related manufacturing processes, production processes and detection and control methods, all belong to inventions.