Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24F - Air-conditioning; Air-humidification; Ventilation; Use of air currents for screening › F24F 13 - Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
Patents for F24F 13 - Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening (38,954)
03/1978
03/28/1978US4081173 Rotating blade fire damper
03/28/1978US4080978 Smoke, fire and air control damper
03/28/1978US4080882 Air diffuser for ceiling air outlet
03/28/1978US4080881 Building construction
03/21/1978US4080185 Composite filter set for gas flow ducts
03/21/1978US4080083 Connectors for roof ridge ventilator
03/14/1978US4078476 Air inlet valve for rooms
03/07/1978US4077310 Air conditioning terminal assembly
02/1978
02/28/1978US4076073 Combination re-conditioning unit and illuminating appliance for use with central air conditioning system
02/21/1978US4074862 Adjustable flow air insufflation nozzle
02/14/1978US4073110 Floor deck structure
02/14/1978US4073106 End cap and connectors for roof ridge ventilator
02/07/1978US4072187 Compact heating and cooling system
01/1978
01/10/1978US4067678 Apparatus for making a fibrous board-like product having a male edge and a female edge
01/10/1978US4067206 Condensate evaporation system for air conditioners
12/1977
12/06/1977US4061082 Ventilating air filtering and distributing device
11/1977
11/29/1977US4060096 Ventilator valve
11/29/1977US4060024 Damper assembly
10/1977
10/25/1977US4055112 Process and apparatus for ventilating or tempering rooms
10/04/1977US4051859 Apparatus for draining fluid from a continuously evacuated space
10/04/1977US4051693 Self-contained air-conditioning units
09/1977
09/27/1977US4050365 Air distribution assembly
09/27/1977US4050364 Ventilating device
09/27/1977US4050363 Air vent cover assembly
09/20/1977US4048809 Air conditioning
09/13/1977US4047776 Cabinet construction
09/13/1977US4047662 Terminal unit for the outlet of conditioned air in a centralized conditioning system
09/13/1977US4047519 Ventilating apparatus
09/13/1977US4047475 Ventilating damper assembly
09/06/1977US4046409 Joining arrangement for ventilation ducts and the like
09/06/1977US4045928 End cap and connectors for roof ridge ventilator
08/1977
08/30/1977US4044947 Condition and volume control for air conditioning system mixing dampers
08/23/1977US4043258 Louver linkage seal
08/23/1977US4043257 Method and apparatus for exhausting air from a limited zone
08/23/1977US4043256 Animal enclosure with pressure controlled ventilation inlet and deflection means
08/16/1977US4041727 Evaporator assembly
08/02/1977US4038911 Multi-directional vent
07/1977
07/26/1977US4038356 Method and apparatus for making a fibrous board-like product having a male edge and a female edge
07/26/1977US4038059 Oxidizable metal with hygroscopic oxide layer
07/19/1977US4036292 Refrigeration condenser
07/12/1977USRE29302 Bag diaphragms and bag diaphragm operated air dampers
07/12/1977US4035172 Regenerative humidity and heat exchange apparatus
07/12/1977US4035018 Device for distributing conditioned air
07/12/1977US4034826 Silencer for ventilation ducts
07/12/1977US4034659 Air diffusion unit and control mechanism therefor
06/1977
06/28/1977USRE29280 Air distribution regulator apparatus
06/28/1977US4031951 Air climatizing device
06/21/1977US4030518 Air flow control apparatus
06/07/1977US4027581 Ventilator
05/1977
05/24/1977US4024803 Building ventilation system
05/17/1977US4023472 Apparatus for producing a laminar flow
05/03/1977US4020900 Device for ventilating cooling air of construction
05/03/1977US4020753 Ventilation extension unit
05/03/1977US4020752 Air diffuser with modular core
04/1977
04/26/1977US4019570 Heating and cooling apparatus
04/26/1977US4019556 Air conditioner cover
04/26/1977US4019429 Ventilator
04/19/1977US4018160 Air conditioning terminal
04/19/1977US4018159 Air flow guide mechanism
04/12/1977US4017025 Variable volume control box and system incorporating same
03/1977
03/29/1977US4014253 Adjustable diffusers
03/22/1977US4013217 Double induction air conditioning with fluidic control
03/15/1977US4011801 Unitary air-diffusing wedge strip in air projection grille
03/01/1977US4009895 Knock-down duct collar
03/01/1977US4009648 Air conditioner air flow control mechanism
03/01/1977US4009647 Clean air zone for surgical purposes
02/1977
02/22/1977US4008654 Adjustable air blade for air handling luminaires
02/22/1977US4008653 Diffuser
02/15/1977US4007673 Register with air-driven oscillating louvers
02/15/1977US4007672 Rafter vent
02/15/1977US4007574 Structural member and system
02/08/1977US4006673 Adjustable air outlet nozzle for automobile heating and venting systems
02/08/1977US4006672 Ventilation fan (ventilation system)
01/1977
01/11/1977US4002110 Automatic obturator for a gasodynamic ventilation device
01/04/1977US4000779 Blowoff baffle
12/1976
12/28/1976US3999969 Air filtering unit
12/28/1976US3999707 Air inlet means for air conditioning installations or the like
12/28/1976US3999599 Condensate pan for evaporator core in vehicle air conditioning system
12/28/1976US3999471 Filter hood device
12/21/1976US3998480 Take-off fitting for low pressure non-metallic duct systems
12/14/1976US3996959 Washer-connector service box
12/14/1976US3996845 Air handling grille and method of making the same
12/14/1976US3996764 Refrigerant cooling apparatus
12/07/1976US3995442 Air conditioning unit
11/1976
11/30/1976US3994335 Multizone air conditioning system
11/30/1976US3994096 Ventilation devices, in particular smoke and heat ventilation devices
11/23/1976US3993096 Damper construction
11/23/1976US3992897 Room air conditioner grounding clip
11/23/1976US3992892 Air filtration chute
11/23/1976US3992840 Frameless housing
11/16/1976US3991533 Louver assembly
11/09/1976US3990855 Clog preventing device for air conditioning condensate drain pans
11/09/1976US3990356 Method of and apparatus for controlling the inlet openings of central ventilation installations
11/09/1976US3990260 Low-temperature dehumidifier
11/02/1976US3988973 Air outlet
11/02/1976US3988900 Method of re-conditioning air from central air conditioning system and air conditioning unit to carry out the method
10/1976
10/26/1976US3988030 Slip-joint coupling, method of installing same and frame subassembly for use therewith
10/26/1976US3987713 Air jet nozzle and system
10/19/1976US3986850 Flow control apparatus and air filters
10/19/1976US3986740 Access door for ductwork
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