Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8585993 | Method for regenerating amorphous iron oxide hydroxide and desulfurizer containing amorphous iron oxide hydroxide as active component | Zhenyi Liu, Fengren Liu | 2013-11-19 |
| 7832453 | Adjusting structure of a curtain for adjusting the angle of curtain blade | — | 2010-11-16 |
| 7717979 | Composition for a desulfurizer with a high sulfur capacity and the process of making the same | Zhenyi Liu, Jie Zhang, Fengren Liu, Yongsheng Yu | 2010-05-18 |
| 7367377 | Winding device for Venetian blind | — | 2008-05-06 |
| 7290582 | Roman shade having suspension structure | — | 2007-11-06 |
| 7264034 | Motorized blind | — | 2007-09-04 |
| 7096918 | Winding device for a window blind | — | 2006-08-29 |
| 6918424 | Cord winding device for a blind | — | 2005-07-19 |