Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7794314 | Slide door device for air conditioner An object of the present invention is to prevent vibration of a sliding door within a guide groove through a fundamental review of the structures adopted in sliding door devices in the related art having a sliding door made to move along a direction intersecting an ... | 09/14/2010 |
| 7578734 | Unit ventilator having a splitter plate and a pivoting damper blade assembly An HVAC unit ventilator, particularly suited for schools and hotels, includes a single damper blade driven directly by a motor to control a supply air's mixture of return air and outside air. The damper blade is selectively pivotal to a full outside air position, a ... | 08/25/2009 |
| 7413163 | Rack and pinion wheel drive for an industrial sliding blade damper This invention discloses improvements to a damper of the type used in industrial applications to open and close ducts carrying noxious or corrosive materials, such as combustion by-products. The improvements include a linear rack and wheeled pinion system to raise a... | 08/19/2008 |
| 7357710 | Ventilation barrier A multi-layer barrier for insulation blocking an opening or passage of a building and for providing ventilation to or within a building. A plurality of inflated hollow membrane cube-like structures are formed adjacent to one another, which traverse a longitudinal wi... | 04/15/2008 |
| 7232369 | System and method for providing heating, ventilation and air conditioning An under-floor, perimeter-based heating ventilation and air conditioning pressurized air delivery system for use in a space includes a ventilation module, to be located in the floor, a multi-deflection linear bar grille covering the ventilation module, for diffusing... | 06/19/2007 |
| 7189158 | Airflow control system A dual airflow control system for an environment having a first air zone and a second air zone. The system includes a first input device operable to generate a first input signal indicative of a desired airflow to the first zone and a second input device operable to... | 03/13/2007 |
| 7152419 | Refrigerator air control baffle assembly with sound dampening A baffle assembly for an air control device that reduces the noise associated with operation of solenoid coils. The invention employs one or two solenoid coils mounted in a frame and attached to a fixed plate. An armature, located inside the solenoid coils, is conne... | 12/26/2006 |
| 7094144 | Ventilation barrier A multi-layer barrier for insulation blocking an opening or passage of a building and for providing ventilation to or within a building. A plurality of inflated hollow membrane cube-like structures are formed adjacent to one another, which traverse a longitudinal wi... | 08/22/2006 |
| 6991177 | Multi-valve damper for controlling airflow and method for controlling airflow The present invention relates to a multi-valve damper which divides a section of an airflow duct into at least two airflow sections. The damper has a plug body having a proximal end and a distal end. The plug body is adapted to separate a section of an airflow duct ... | 01/31/2006 |
| 6945867 | Movable grating control A grating assembly drive means is connected to control the movement of the movable grating between OPEN and CLOSED positions relative to a fixed grating. The drive means moves the movable grating through yieldable connection when moving toward CLOSED position, where... | 09/20/2005 |
| 6942563 | Air-guiding appliance An air-guiding appliance (10) for the directionally defined introduction (R) of air (L) supplied on the rear side (20) of the appliance into a space (22), in particular interior of a vehicle, having a housing (26), at least one duct (2... | 09/13/2005 |
| 6910340 | Airflow control device An airflow control device has a fixed damper element and a movable damper element. Shape memory wires are connected to the fixed damper element and the movable damper element. The shape memory wires are alternately electrified to cause the contraction thereof to mov... | 06/28/2005 |
| 6902475 | Ventilation barrier A multi-layer barrier for insulation blocking an opening or passage of a building and for providing ventilation to or within a building. A plurality of inflated hollow membrane cube-like structures are formed adjacent to one another, which traverse a longitudinal wi... | 06/07/2005 |
| 6832951 | Vent assembly and method A vent assembly has a vent cover and sliding air flow regulator for controlling the flow of air through the vent cover. Unique couplers may be used to interconnect the air flow regulator and vent cover for relative sliding motion. In addition, actuator mechanisms ar... | 12/21/2004 |
| 6800024 | Vent termination receptacle with damper A high pressure air supply duct is terminated by a termination receptacle defining a cylindrical housing with an inlet pipe connected to the duct and generally at right angles to the axis. The housing has one end closed and a mounting flange member at the open end f... | 10/05/2004 |
| 6735079 | Heat dissipation apparatus The present invention is related to a venting apparatus for a computer. The apparatus includes a chassis plate and a venting plate. The chassis plate has a first hole and a second hole. The venting plate has a plurality of venting apertures. The venting plate is sel... | 05/11/2004 |
| 6689180 | Hot air flow control device of heat-shrinking film packaging machine A heat-shrinking film packaging machine includes a conveyor for transporting an article to be packaged through a heating device to have a heat-shrinking film surrounding the article heated and shrunk and thus tightly packaging the article. The heating dev... | 02/10/2004 |
| 6527194 | Flow control damper A damper including a pair of damper members movable with respect to each other is disclosed. Each damper member has at least one wall correspondingly inclined to an axis of the damper. The inclined walls are relatively movable between open and closed posi... | 03/04/2003 |
| 6302785 | Foundation vent with improved net free ventilation area An improved foundation vent with increased net free area is provided. The foundation vent has a frame that surrounds and defines an opening and a grill supported by the frame and spanning the opening. The grill has an inside face disposed on the inside of... | 10/16/2001 |
| 6299527 | Ventilation control system for a building A ventilation control system is disclosed for a building having an elongated ceiling vent opening, the system having a vent door, spaced apart brackets pivotally supporting the door on the building structure adjacent to the ceiling vent opening such that ... | 10/09/2001 |
| 6280320 | Frame to support a deflated fabric air duct A flexible air duct is provided for conveying and distributing a source of forced air to a room or other area of a building. The air duct includes a flexible outer casing made of an air permeable fabric that evenly disperses the air into the room. To prev... | 08/28/2001 |
| 6101768 | Center supported ventilated raised floor with grated core A raised floor panel is strengthened with a grated core. The working surface of the floor panel may be either solid or perforated. The floor panel is supported by a center pedestal that extends from a sub-floor. The angle of the panel can be varied by piv... | 08/15/2000 |
| 5878806 | Heating and/or air-conditioning installation 1. Heating and/or air-conditioning installation, especially for a passenger compartment of a motor vehicle. 2.1 In known installations for heating and/or cooling, hinged flaps are employed as control means for distributing the air, which flaps need a larg... | 03/09/1999 |
| 5660584 | Retrofit mobile home air conditioning distribution assembly The distribution assembly is arranged for mounting to a ceiling portion of an existing mobile home, that in turn includes an existing air conditioning outlet housing. The assembly employs a central plenum housing arranged to receive the air conditioning o... | 08/26/1997 |
| 5399119 | Air valve device having flush closing nozzle A ventilation air valve assembly (10) for use in aircraft or similar contexts is provided which may be selectively opened and oriented for directing desired quantities of ventilation air in desired directions. The valve assembly (10) includes a tubular va... | 03/21/1995 |
| 5333835 | Electric motor driven air valve A valve for use in an air distribution system has an inlet member for the axial flow of air therethrough along a central axis. A downstream portion of the inlet tapers outwardly in the downstream direction. Support structure is presented from which an ext... | 08/02/1994 |
| 5328152 | Fluid control valve unit A fluid control valve unit particularly suited to be used as an air control valve in an overhead passenger service unit for aircraft, buses, trains and the like. This valve unit includes a non-rotatable and axially movable closure member which moves in re... | 07/12/1994 |
| 5249602 | Arrangement for flow control of gaseous and liquid media, particularly air The invention relates to an arrangement for controlling the flow of gaseous and liquid media, particularly air, comprising of a housing, a number of movable closing members shutting off in closed position the internal cross-sectional area of said housing ... | 10/05/1993 |
| 5194040 | Slot ventilators A slot ventilator (1) comprises an elongate facing strip (7) which is movable on parallel-motion links (12) between a closed position in which it seals a slot (4) in a backing member (3), and a forward, open position. The parallel-motion links (12) are pi... | 03/16/1993 |
| 5145460 | Rolling ramp gasket assembly A gasket assembly for use with a ventilation control apparatus in a building ventilation system in a building. The building ventilation system includes inlet and outlet vents and a fan. A plurality of generally narrow continuous openings are formed in a c... | 09/08/1992 |
| 5095948 | Simultaneous adjustment device for at least two pivoted elements A device for simultaneously adjusting at least two pivoted elements, in particular valves used for air distribution in a vehicle heating or air-conditioning system, has an operating unit with a control disc which is connected to a rotary knob and a contro... | 03/17/1992 |
| 4945822 | Air control apparatus for forced air central air conditioning systems An air control apparatus for a forced air central air conditioning system of the type having an air conditioning unit for conditioning air and a duct for conducting the conditioned air from the unit to a living area of a building. The air control apparatu... | 08/07/1990 |
| 4882913 | Slide plate economizer An economizer has a single sliding door which leads to the indoor section from both the outdoor air inlet and the return air inlet, with the two inlets being separated by a divider baffle. The sliding plate is movable from its fully closed position, where... | 11/28/1989 |
| 4800804 | Variable air flow diffuser An air diffuser adapted for mounting in a building for controlling air pressure within a space, the diffuser comprising a tile such as can be placed in a ceiling and having an air inlet side and an air discharge side, a wall providing an air flow port in ... | 01/31/1989 |
| 4796803 | Air volume regulator valve Disclosed is an air volume regulator valve for an air distribution apparatus for heating, ventilating and air conditioning systems having a first open position, a closed position and a second open position and means for maintaining relatively constant vol... | 01/10/1989 |
| 4726285 | Dimpled air distribution device An air distribution apparatus having a plurality of dimples, each having small openings. The dimples having small openings provide a simple structure for causing air to be discharged from the air diffuser unit parallel to the base of the unit.... | 02/23/1988 |
| 4716818 | Air distribution device An air outlet having a ball shaped valve member having a central passageway defined therefrom intermediated a convergent entrance and an exit, the transverse area of the entrance being at least 45% greater than the transverse area of the exit. The valve m... | 01/05/1988 |
| 4715268 | Ventilator device A ventilator device comprises a casing (2) having one or more openings (3) for passage of ventilation air therethrough, a shutter (7) within the casing and normally held retracted from said one or more openings, first means (15) for urging the shutter to ... | 12/29/1987 |
| 4690372 | Automatic regulating valve of the air flow sucked out of a room through a mechanical ventilating installation It comprises an actuating device (22 to 27) of the obturating member (16) provided with a sliding shaft (22) fast with the obturation member, and carrying two permanent magnets (24, 25) separated the one from the other through a distance defining the vari... | 09/01/1987 |
| 4672887 | Combination valance and conditioned air admission and return ducts An improved apparatus and method of delivering conditioned air to rooms of a structure or dwelling through ceiling diffusers concealed by a valance and located adjacent the outside walls of the structure is disclosed. Air is delivered to the diffusers by ... | 06/16/1987 |
