|
| US4105015 | 9 Mar 1977 | 8 Ago 1978 | William C. Isom | Exhaust hood energy saving device |
| US4766880 | 20 Ene 1987 | 30 Ago 1988 | Gaggenau-Werke Haus-and Lufttechnik GmbH | Apparatus for drawing off vapors from kitchen equipment |
| US6142142 | 15 Abr 1999 | 7 Nov 2000 | Vent-A-Hood | Method, apparatus and system for safely and efficiently controlling a ventilation hood |
| US6732729 | 4 Ene 2002 | 11 May 2004 | | Range hood with grease collecting motor housing |
| US6820609 | 3 Abr 2002 | 23 Nov 2004 | Vent-A-Hood Ltd. | Low-profile ventilation hood |
| US6939024 | 19 May 2003 | 6 Sep 2005 | BSH Bosch und Siemens Hausgerate GmbH | Work surface lighting |