Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D969187 | Handheld rapid heating device for cutting and adhering plastic thin film | — | 2022-11-08 |
| D943651 | Handheld rapid heating device for cutting and adhering plastic thin film | — | 2022-02-15 |
| 10683115 | Portable air extracting device | — | 2020-06-16 |
| D860277 | Battery-type vacuum-pumping device | — | 2019-09-17 |
| D845370 | Double-end sealer | — | 2019-04-09 |
| D823913 | Sealer | Ammy Chou | 2018-07-24 |
| D823914 | Sealing and vacuum-pumping device | — | 2018-07-24 |
| 9937661 | Storage electric sealer | — | 2018-04-10 |
| D812662 | Sealer | — | 2018-03-13 |
| 9809340 | Rechargeable sealer with storage function | — | 2017-11-07 |
| 9132521 | Main shaft structure of tool machine | — | 2015-09-15 |
| 8287335 | Abrasive apparatus of a sander | — | 2012-10-16 |
| 7939783 | Hand-held electric sealer with detachable sealing module | — | 2011-05-10 |
| 7810540 | Hand-held electric sealer with dual heads | — | 2010-10-12 |
| 7700897 | Hand-held electric sealer having a detachable electric sealing module | Ammy Chou | 2010-04-20 |
| D579034 | Electric sealer | — | 2008-10-21 |
| 7315010 | Electric heat sealer with safety device | Shu-Hui Chou | 2008-01-01 |
| 7312421 | Detachable heat sealing apparatus | Ammy Chou | 2007-12-25 |
| 7291810 | Hand-held electric heat sealer | Ammy Chou | 2007-11-06 |
| 7285934 | Combination of power supply and detachable electric implement | — | 2007-10-23 |
| 7243692 | Chisel quickly adjusting and positioning device for a chiselling machine | — | 2007-07-17 |
| D542315 | Electric sealer | — | 2007-05-08 |
| 7210386 | Quickly detachable protective cover unit of a table sawing machine | — | 2007-05-01 |
| D539313 | Body of the band saw machine | — | 2007-03-27 |
| 7090569 | Manual clutch device for a roller sander for controlling reciprocating movement of a roller | — | 2006-08-15 |