Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7100356 | Heat recovery apparatus with aerodynamic diffusers | Ming Hui Han | 2006-09-05 |
| 6880813 | Outlet silencer for cooling tower, evaporator cooler or condenser | Ming Hui Han | 2005-04-19 |
| 6851514 | Outlet silencer and heat recovery structures for gas turbine | Ming Hui Han | 2005-02-08 |
| 6802690 | Outlet silencer structures for turbine | Ming Hui Han | 2004-10-12 |
| 6547433 | Air mixing device having series of parallel airflow passages | Ming Hui Han | 2003-04-15 |
| 6213867 | Venturi type air distribution system | Tom Fisher, Gerhard Granek | 2001-04-10 |
| 6139425 | High efficiency air mixer | Ming Hui Han | 2000-10-31 |
| 5827044 | Fan system with variable air volume control | Werner Guenther Richarz, George William Donald Wallace | 1998-10-27 |
| 5728979 | Air handling structure for fan inlet and outlet | Werner Guenther Richarz | 1998-03-17 |
| 5587563 | Air handling structure for pan inlet and outlet | Werner Guenther Richarz | 1996-12-24 |
| 5473123 | Air handling structure for fan inlet and outlet | Werner Guenther Richarz | 1995-12-05 |
| 5473124 | Packless silencer | Werner Guenther Richarz | 1995-12-05 |
| 5426268 | Air handling structure for fan inlet and outlet | Werner Guenther Richarz | 1995-06-20 |
| 5106052 | Air damper apparatus | Dipti Datta | 1992-04-21 |