| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 4 | |
| #2 | Canada | 3 | |
| #3 | United States | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Furniture and games | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Producing ice | |
| #2 | Refrigerators | |
| #3 | Skates | |
| #4 | Construction of roads |
| # | Name | Total Patents |
|---|---|---|
| #1 | Li Guangjing | 13 |
| Publication | Filing date | Title |
|---|---|---|
| CN106766461A | Ice making unit and refrigeration system | |
| WO2018129670A1 | Ice making machine set and refrigeration system | |
| CA2877977A1 | Modular assembled artificial skating rink | |
| CN102778093A | Block-combined artificial ice rink | |
| CN102012140A | Shrinkage fit type manifold refrigerating device for artificially-refrigerated ice rink | |
| CN1071748A | Integral screw rod compression refrigerating ice making machine set |