Inventor
WANG CHANGZHI
CN16 patents
⚠️ This page may combine multiple inventors who share the name “WANG CHANGZHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
Qingdao haier refrigerator co ltd
11 patentsUS12181205B2Dec 31, 2024
Installation foot and refrigerator having same
Qingdao haier refrigerator co ltd0 citations62
USD1114003SFeb 17, 2026
Skirting board for refrigerator
Qingdao haier refrigerator co ltd0 citations59
USD1098211SOct 14, 2025
Refrigerator
Qingdao haier refrigerator co ltd0 citations57
US12435918B2Oct 7, 2025
Installation foot and refrigerator having same
Qingdao haier refrigerator co ltd0 citations52
US12092389B2Sep 17, 2024
Built-in refrigerator and installation device and auxiliary installation assembly therefor
Qingdao haier refrigerator co ltd0 citations52
US12022946B2Jul 2, 2024
Foot adjusting system and refrigerator having same
Qingdao haier refrigerator co ltd0 citations52
US12398940B2Aug 26, 2025
Air-cooled refrigerator supplying air through centrifugal fan
Qingdao haier refrigerator co ltd0 citations51
US12146700B2Nov 19, 2024
Control system and control method of refrigerator
Qingdao haier refrigerator co ltd0 citations51
US12078412B2Sep 3, 2024
Refrigerator
Qingdao haier refrigerator co ltd0 citations51
US12359862B2Jul 15, 2025
Refrigeration module and refrigerator
Qingdao haier refrigerator co ltd0 citations50
US12398949B2Aug 26, 2025
Air-cooled refrigerator
Qingdao haier refrigerator co ltd0 citations46
BEIJING ZEHUA CHEMICAL ENG CO LTD
5 patentsUS11547952B1Jan 10, 2023
Multi-bubbling region column tray and corresponding plate column
BEIJING ZEHUA CHEMICAL ENG CO LTD3 citations68
US10052609B2Aug 21, 2018
Tower packing element, tower packing, and packing tower and mixer comprising the same
BEIJING ZEHUA CHEMICAL ENG CO LTD3 citations68
US11938425B2Mar 26, 2024
Multi-bubbling region column tray and corresponding plate column
BEIJING ZEHUA CHEMICAL ENG CO LTD0 citations58
US10888835B2Jan 12, 2021
Tower packing element, tower packing, and packing tower and mixer comprising the same
BEIJING ZEHUA CHEMICAL ENG CO LTD0 citations57
US10843164B2Nov 24, 2020
Tower packing element, tower packing, and packing tower and mixer comprising the same
BEIJING ZEHUA CHEMICAL ENG CO LTD0 citations47