Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10124280 | Laminated filter | Hongbin Huang, Guangping Huang | 2018-11-13 |
| 9091356 | Impeller type water-hammer proof and silent check valve | Hongbin Huang | 2015-07-28 |
| 8960640 | Fast intake valve | Hongbin Huang | 2015-02-24 |
| 8910886 | Rotary mechanism for sprinkler and sprinkler using the same | Hongbin Huang, Guangping Huang | 2014-12-16 |
| 8870092 | Viscosity drive device for elevating-type in-ground sprinkler head | Hongbin Huang | 2014-10-28 |
| 8807530 | Bottom entry plastic ball valve | Hongbin Huang | 2014-08-19 |
| 8800888 | Driving device for lifting buried spraying head | Hongbin Huang | 2014-08-12 |
| 8783657 | Top entry plastic ball valve | Hongbin Huang | 2014-07-22 |
| 8544493 | Water hammer proof and silent check valve | Hongbin Huang | 2013-10-01 |
| 6334678 | Method for applying chemical watermarks on substrate | Robert L. Daigneault, Michael F. Koenig, Otto Ondruska, Daniel Robert Rogers | 2002-01-01 |
| 5750463 | Thermographic recording films | Edward J. Dombrowski, Robert L. Jones, John C. Warner | 1998-05-12 |
| 5750464 | Thermographic recording | Edward J. Dombrowski, Donna J. Guarrera, Robert L. Jones, Mark R. Mischke, John C. Warner | 1998-05-12 |
| 5714305 | Overcoat-releasing laminate and method for the manufacture thereof | Ganghui Teng | 1998-02-03 |