Inventor

Chi hualong

CN2 patents

Patents

2 patents

US12546301B2Feb 10, 2026

Oil supply device for compressor, compressor, and refrigeration equipment

Qingdao haier refrigerator co ltd0 citations59

US12448959B2Oct 21, 2025

Oil supply device for compressor, compressor, and refrigeration equipment

Qingdao haier refrigerator co ltd0 citations48