Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11690491 | Surface cleaning apparatus | Jian Yun Pi | 2023-07-04 |
| 11503970 | Vacuum cleaner | Jian Yun Pi | 2022-11-22 |
| 11375869 | Steam mop with viewable tank | Joseph P. Perry, Adam Luedke, Jian Yun Pi | 2022-07-05 |
| 11311166 | Surface cleaning apparatus | Jian Yun Pi | 2022-04-26 |
| 10561290 | Vacuum cleaner | Jian Yun Pi | 2020-02-18 |
| 10085610 | Steam mop with illuminated tank | Joseph P. Perry, Adam Luedke, Jian Yun Pi | 2018-10-02 |
| 9737189 | Surface cleaning apparatus | Adam Luedke, Jian Yun Pi | 2017-08-22 |
| 9398836 | Surface cleaning apparatus | Adam Luedke, Jian Yun Pi, Joseph P. Perry, Jian Gang Fan | 2016-07-26 |
| 9320405 | Surface cleaning apparatus | Adam Luedke, Jian Yun Pi, Joseph P. Perry, Jian Gang Fan | 2016-04-26 |