Inventor
MAO TONGQIN
CN3 patents
⚠️ This page may combine multiple inventors who share the name “MAO TONGQIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BEIJING JINGKELUN ENGINEERING DESIGN AND RES INSTITUTE CO LTD
2 patentsUS12510258B2Dec 30, 2025
Radiation heat dissipation and radiation heat collection-based cold and hot central air conditioning system
BEIJING JINGKELUN ENGINEERING DESIGN AND RES INSTITUTE CO LTD0 citations39
US12345457B2Jul 1, 2025
Single-stage carbon dioxide multi-split cooling and heating multifunctional central air conditioner
BEIJING JINGKELUN ENGINEERING DESIGN AND RES INSTITUTE CO LTD0 citations38