What are the projects suitable for writing patents in metallurgical civil engineering?

Concrete drilling coring device, safety rope installation structure, heat preservation nail multiplier, safety rope fixer, pipe fittings paint brush, etc. Metallurgical civil engineering refers to the civil engineering of metallurgical industry. The projects suitable for patent writing include concrete drilling and coring device, safety rope installation structure, heat preservation nail synergistic device, safety rope fixer, pipe fittings paint brush, toilet assembly structure, concrete temperature measuring device, portable material platform, etc.