| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Taiwan | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Furniture and games | |
| #3 | Machines | |
| #4 | Consumer goods | |
| #5 | Foods and drinks | |
| #6 | Packaging and shipping | |
| #7 | Thermal processes | |
| #8 | Civil engineering | |
| #9 | Medical technology | |
| #10 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Kitchen equipment | |
| #2 | Load transportation vehicles | |
| #3 | Ice-boxes | |
| #4 | Unspecified technologies | |
| #5 | Domestic plumbing installations | |
| #6 | Transferring liquids | |
| #7 | Producing ice | |
| #8 | Foods | |
| #9 | Handles for hand implements | |
| #10 | Object sterilising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chang Wen Cheng | 6 |
| #2 | Chang Wen-Cheng | 4 |
| #3 | Chang Chun-Sheng | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2020208909A1 | Novel Liquid Cooler | |
| WO2020192143A1 | Intelligent beverage extraction cooling machine | |
| TW202100081A | Beverage heating and cooling manufacturing machine | |
| US2013180085A1 | Composite-material buckle | |
| US2012167707A1 | Pull handle structure of a hand puller | |
| US2012084951A1 | Positioning hook structure for a hand puller | |
| US2012073097A1 | Ratchet buckle | |
| US2012074363A1 | Hand Puller and a Central Shaft Structure Thereof | |
| EP1216716A1 | Ceramic sculpture for storing and releasing fragrance and method of making the same |