| Patents for F24F 7 - Ventilation (13,941) |
|---|
| 05/31/1977 | US4026082 Vent frames |
| 05/17/1977 | US4023472 Apparatus for producing a laminar flow |
| 05/10/1977 | US4022117 Pressure stabilizing assembly |
| 04/12/1977 | US4016729 Curb-duct for roof top air conditioners |
| 03/22/1977 | US4012875 Overhead structural, fire extinguishing and ventilating system |
| 02/15/1977 | US4007672 Rafter vent |
| 02/08/1977 | US4006672 Ventilation fan (ventilation system) |
| 01/11/1977 | US4002110 Automatic obturator for a gasodynamic ventilation device |
| 01/04/1977 | US4000688 Ventilator for roof ridge |
| 11/16/1976 | US3991533 Louver assembly |
| 11/09/1976 | US3990356 Method of and apparatus for controlling the inlet openings of central ventilation installations |
| 11/09/1976 | US3990202 Insulating wall unit |
| 11/02/1976 | US3989098 Built-in combination cooling and heating device |
| 10/26/1976 | US3987714 Building construction |
| 10/19/1976 | US3986850 Flow control apparatus and air filters |
| 09/28/1976 | US3982475 Double-wall facade element for buildings having an overpressure ventilating or air conditioning installation |
| 09/14/1976 | US3980127 Energy conservation system |
| 09/07/1976 | US3978777 Ventilating apparatus |
| 08/31/1976 | USRE28946 Blower system and control system therefor |
| 08/31/1976 | US3977311 Louver fan assembly |
| 08/31/1976 | US3977134 Vent closure arrangement |
| 08/24/1976 | US3975995 Ventilated ceiling construction |
| 08/24/1976 | US3975780 Bathing facility incorporating bathroom air exhaust fans |
| 08/17/1976 | US3974859 Air distribution regulator apparatus |
| 08/17/1976 | US3974754 Controlled fluid flow systems |
| 08/10/1976 | US3973479 Floor-ceiling air circulating device |
| 07/06/1976 | US3967545 Controlling the supply of electric current to a room |
| 06/22/1976 | US3964377 Insulated closures for attic fans, and seals therefor |
| 06/22/1976 | US3964272 Air conditioning mounting system for a mobile home |
| 06/22/1976 | US3964271 Air conditioning system mounting arrangement for a mobile home |
| 06/15/1976 | US3962885 Air conditioning system for a mobile home |
| 06/01/1976 | US3960063 Roof fan |
| 04/27/1976 | US3952638 Fans for use with turbine ventilators, and methods and apparatus for supporting the same |
| 04/20/1976 | US3951336 Ventilation system for livestock housing |
| 04/13/1976 | US3949657 Ventilated cap for the ridge of a roof |
| 03/30/1976 | US3946648 Roof ventilator |
| 03/16/1976 | US3944405 Down-flow chamber |
| 03/09/1976 | US3942422 Roof ventilator |
| 03/02/1976 | US3941185 Heat accumulator |
| 02/17/1976 | US3938428 Animal enclosure with pressure controlled ventilation inlet and deflection means |
| 01/27/1976 | US3934494 Power ventilator |