|
| US3943836 | 15 Ago 1974 | 16 Mar 1976 | Vent-Cair, Inc. | Apparatus for removing fumes from the space above a cooking appliance in a restaurant |
| US3952640 | 26 Sep 1974 | 27 Abr 1976 | Vent-Cair, Inc. | Apparatus and method for extracting grease and smoke, and method of installing the same |
| US3978777 | 24 Feb 1975 | 7 Sep 1976 | | Ventilating apparatus |
| US4011802 | 27 Ene 1975 | 15 Mar 1977 | Stainless Equipment Company | Makeup air device for grease extraction ventilator |
| US4038912 | 1 Oct 1975 | 2 Ago 1977 | Vent-Cair, Inc. | Combination forced-flow and convective-flow grease-hood system and method having a low-level entry portion over a protruding cooking appliance |
| US4043319 | 18 Sep 1975 | 23 Ago 1977 | | Exhaust hood |
| US4047519 | 2 Sep 1976 | 13 Sep 1977 | | Ventilating apparatus |
| US4072143 | 27 Sep 1976 | 7 Feb 1978 | Gaylord Industries, Inc. | Double inlet kitchen ventilator |
| US4085735 | 26 Ene 1976 | 25 Abr 1978 | National Food Service Equipment Fabricators, Inc. | Air ventilation and washing system |
| US4085736 | 1 Oct 1975 | 25 Abr 1978 | Vent-Cair, Inc. | Grease-hood apparatus |
| US4109641 | 25 May 1977 | 29 Ago 1978 | Air Master Systems, Inc. | Adapter manifold for ventilation hood |
| US4117833 | 16 Feb 1977 | 3 Oct 1978 | | Exhaust hood with adjustable air injection nozzle |
| US4124021 | 14 Feb 1977 | 7 Nov 1978 | Stainless Equipment Company | Makeup air tempering for grease extraction ventilator |
| US4137904 | 25 May 1977 | 6 Feb 1979 | Elsters, Inc. | Exhaust hood employing a venturi slot |
| US4141342 | 20 Oct 1977 | 27 Feb 1979 | Vent-Cair, Inc. | Apparatus for extracting grease and smoke, and method and apparatus for installing the same |
| US4143645 | 29 Sep 1977 | 13 Mar 1979 | | Self-contained exhaust hood with heat exchanger and method of exhausting air |
| US4146017 | 8 Ago 1977 | 27 Mar 1979 | | Hood system for cooking equipment |
| US4166448 | 28 Oct 1977 | 4 Sep 1979 | | Ventilation system |
| US4186727 | 20 Jun 1977 | 5 Feb 1980 | National Food Service Equipment Fabricators, Inc. | Air ventilation and washing system |
| US4250870 | 2 Feb 1979 | 17 Feb 1981 | | Apparatus and method for removing fumes from the space above a cooking appliance in a restaurant |
| US4266528 | 13 Dic 1978 | 12 May 1981 | The Celotex Corporation | Ducted/ductless range hood |
| US4372195 | 17 Nov 1980 | 8 Feb 1983 | | Mass flow thermal compensator |
| US4493312 | 25 Ene 1982 | 15 Ene 1985 | Maysteel Corporation | Induction fluid supply unit for exhaust hood apparatus |
| US4506655 | 10 Feb 1984 | 26 Mar 1985 | | Compact double fan apparatus and method with grease-separating capabilities |
| US4616562 | 21 Jun 1985 | 14 Oct 1986 | | Ventilation system for pizza ovens |
| US4655194 | 15 Abr 1986 | 7 Abr 1987 | Heat Transfer Specialties, Inc. | System for removing fumes |
| US5467761 | 11 Ago 1993 | 21 Nov 1995 | D.E.R. Investments Ltd. | Apparatus and method for removing fumes from the space above a cooking appliance |
| US6170166 | 10 Jul 1998 | 9 Ene 2001 | Ecolab Inc. | Removal of heat and water vapor from commercial dishwashing machines |
| US6344074 | 9 Mar 2000 | 5 Feb 2002 | EVS, Inc. | Ventless air scrubber assembly with multi-stage filters and hood enclosure with great entrapment units |
| USRE40123 | 9 Ene 2003 | 4 Mar 2008 | Ecolab Inc. | Removal of heat and water vapor from commercial dishwashing machines |
