The number of patent applications in the sub-high level may be 1, 2, 3 or more. The second highest number of common patents is 1-3.
For the participants, if there are many patents, whether to submit them for professional title evaluation depends on whether there are corresponding points for re-submission. If not, it is meaningless to submit them.
Regarding the evaluation of the deputy high school, you have submitted several patents, which depends on the number of patents identified in the title document of your unit. How much is needed? You can apply for several patents.