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Patent No. 5421089

Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

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Class 454/354 - Ceiling or wall mounted


Subclass of Class 454 - Ventilation
Definition: Subject matter wherein the air exhausting means is supported
No. of patents: 70
Last issue date: 03/03/2009


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NumberTitleIssue Date
7497773Ceiling mounted fan ventilation device
A ceiling mounted fan ventilation device moves a fresh inflow of air from within a room such as a garage to said attic thereof in an effective manner in order to mitigate the climatic effects on the room due to adverse ambient conditions. The device is not only capa...
03/03/2009
7497774Whole house fan system and methods of installation
A whole house fan system and installation methods configured to reduce noise generated by the fan are provided. The system generally includes a fan, a register, and a flexible duct extending between the fan and the register. The flexible duct has acoustical insulati...
03/03/2009
7470179Screen system allowing easy disassembly
A screen system which can be easily disassembled and includes a screen, a frame supporting the screen where the frame includes a hook, and a housing supporting the frame. The housing defines a retainer which interacts with the hook whereby upon rotation of the frame...
12/30/2008
7431642Exhaust fan having a unitary molded housing
The subject invention relates to ventilation systems that include a unitary molded housing that defines a flow path and one or more mounting structures, wherein the flow path and the mounting structures are integrated into the unitary molded housing. An exterior str...
10/07/2008
7428149Air guide device and computer housing applying the air guide device
An air guide device is provided on a side panel of a computer housing, and includes an air guide member and a positioning mechanism. The air guide member includes a first coupling portion and a second coupling portion disposed opposite to the first coupling portion ...
09/23/2008
7314113Acoustic absorbers for use with computer cabinet fans and other cooling systems
Systems and methods for absorbing acoustic noise generated by computer cabinet cooling fans are described herein. In one embodiment, an acoustic absorber for use with a fan carried by a computer cabinet in a room includes a first acoustic panel spaced apart from a s...
01/01/2008
7251952Air chiller unit
The invention provides an improved air chiller unit mounted on an aircraft for sending cooled air to service carts for serving meals. An air chiller unit is equipped with a refrigeration cycle unit disposed on a casing. The refrigeration cycle unit is equipped with ...
08/07/2007
7152884Conduit box
A weatherproof non corrosive, non-metallic conduit box molded preferably of a sturdy plastic material, such as, for example, polyvinyl chloride, which is a fire resistant and resilient material. The conduit box is ultraviolet (UV) resistant and has high tensile stre...
12/26/2006
7143551Vented insulated building
An improved building structure that eliminates condensation at exterior building walls, thereby preventing mold growth and avoiding the damage, environmental degradation and health problems associated with mold growth includes enveloping spaces that allow natural co...
12/05/2006
7125332Ceiling radiation damper and mounting method
A ceiling damper system that comprises a damper housing having an input opening to accept air from a heating, ventilation and air conditioning HVAC system, and an output opening to supply the HVAC air to a room. The system further comprises a damper mechanism to sub...
10/24/2006
7037359Grease containment system
A device, system, and method for collecting grease on rooftop exhaust fans, comprising a gasket formed of sorbent material. The gasket is dimensioned for placement between an exhaust fan and a base for the exhaust fan. When placed between the exhaust fan and the bas...
05/02/2006
6986708Method and apparatus for delivering conditioned air using dual plenums
Multiple methods of supplying conditioned air to a room and components therefor are provided. A dual plenum system has a supply plenum for delivering supply air to the room and a return plenum for returning room air to an air handling unit. Conduits are provided to ...
01/17/2006
6966830Device for ventilation and/or air circulation
A device comprising a rotor and fan rotatably mounted on a shaft which is rigidly fixed relative to a vehicle surface. The device is fixable on a vehicle surface by means of two clamping portions which are moveable towards each other along the shaft to press against...
11/22/2005
6945866Method and apparatus for delivering conditioned air using pulse modulation
A method and apparatus for delivering conditioned air using short duty cycles during which a damper is fully open for a time and fully closed for the remaining time. Conditioned air is continuously supplied to a plenum at low pressure and is applied to the space whe...
09/20/2005
6908281Blower housing for furnace blower assembly
A blower housing for a furnace blower assembly of the type including a blower motor coupled to an impeller for use in expelling exhaust gases from a furnace. The blower housing generally includes an inlet, an impeller cavity, and an extension portion extending from ...
06/21/2005
6904723Waterproofing and humidity control system
A waterproofing and humidity control system is provided for a building which includes drain members located in trenches provided in ground beneath and adjacent the basement of the building. A suction and fan and motor assembly is located within a housing positioned ...
06/14/2005
6902373Sheet metal exhaust adapter for draft inducers
An exhaust adapter for use with a draft inducer having a blower housing with a rectangular blower outlet. The exhaust adapter provides a transition from the rectangular outlet of the blower housing and a round exhaust pipe. The exhaust adapter includes a transition ...
06/07/2005
6802770Ventilating exhaust fan
An exhaust fan for use in bathrooms or similar areas has a generally rectangular fan housing formed from two independent structural members to reduce manufacturing waste and decrease production cost. The fan housing includes a receptacle panel that can be installed ...
10/12/2004
6669750Access port for house vacuum equipped with removable trap
An access port for a house vacuum system that is equipped with a removable trap is described. The access port can be constructed by the components of a port body of elongated, cylindrical shape, which may have either an annular cross-section or a rectangu...
12/30/2003
6641648Passive filtration system
A filter system including a housing with an intake and an outlet, a pleated carbon filter disposed between the intake and the outlet for filtering out vapors entering the intake, and a hydrophobic solution dispersed about the pleated carbon filter to inhi...
11/04/2003
6598668Exhaust system for electronic equipment enclosure
A top cover for an electronic equipment cabinets where the top cover is made of upper and lower synthetic resin panels which are welded at their edges to form an air chamber therebetween. The upper panel is domed while the lower panel has a corrugated lik...
07/29/2003
6524182Kit providing means for mitigating radon from a dwelling
A kit for reducing the level of radon in a dwelling. Containing a rain-proof exhaust vent hood housing an axial fan, and a suction pipe attached to a length of flex-duct. The kit can be easily installed by most homeowners. The installer simply cuts a hole...
02/25/2003
6503141Carbon monoxide venting system
A carbon monoxide ventilation system, comprising a carbon monoxide sensor, a fan, and a vent. The carbon monoxide sensor supplies power to the fan when a threshold level of carbon monoxide is detected. The fan includes a motor and a propeller which draws ...
01/07/2003
6488579Ventilating exhaust fan
An exhaust fan for use in bathrooms or similar areas has a generally rectangular fan housing formed from two independent structural members to reduce manufacturing waste and decrease production cost. The fan housing includes a receptacle panel that can be...
12/03/2002
6435964Ventilation fan
A ventilation fan includes a case-like frame having an opening and a rib in the opening, a motor fastened to the rib inside the case-like frame, a face cover detachably covered on the case-like frame, the face cover having air inlets in communication with...
08/20/2002
6346042Combination attic hatch and return filter grill
A combination attic hatch and return filter grill including a base member having an open upper end, an open lower end, and a surrounding side wall therebetween. A cover member is coupled with respect to the base member. The cover member has a closed upper...
02/12/2002
6261175Ventilating exhaust fan
An exhaust fan for use in bathrooms or similar areas has a generally rectangular fan housing formed from two independent structural members to reduce manufacturing waste and decrease production cost. The fan housing includes a receptacle panel that can be...
07/17/2001
6203422Light activated exhaust fan
A light activated exhaust fan including an exhaust fan disposed above a ceiling area within a building. The exhaust fan is disposed within a housing. The housing has openings within side walls thereof. The openings in the side walls have ducts extending o...
03/20/2001
6159093Powered exhaust fan
A powered exhaust fan for ventilating structures, especially well suited for roof ventilation, provides a motor driven fan assembly supported by a support assembly beneath an opening in a roof structure. The fan assembly further includes an air deflector ...
12/12/2000
6019678Ventilation fan for duct and method of installation thereof
A ventilation fan for duct being capable of inserting the ventilation fan smoothly into the opening in the ceiling, and free from strange feel between the design of the decorative plate and pattern of the ceiling. It includes (a) a ventilation fan main body ha...
02/01/2000
5934362Combination bath fan, register box, air conditioning and heating boot
A combination bath fan, register box, air conditioning and heating boot requires one opening on the wall or the ceiling of the bathroom, thus reducing the installation and maintenance costs associated with the ventilation of the bathroom. The combination ...
08/10/1999
5909534Ventilator with far infrared generators
A ventilation device having a housing with a grille at the bottom and two ventilation members at two sides of the grille is provided. A fan assembly is mounted on the housing and controlled to draw filthy air out of a room through air vents in the ventila...
06/01/1999
5879232Exhaust fan
An exhaust fan for bathrooms and the like having two principal structural elements--a housing assembly and a motor plate assembly--wherein the housing assembly includes a generally cylindrical housing formed of injection molded plastic. The housing assemb...
03/09/1999
5820458Ventilation device
A ventilation device is composed of an air inlet base, an air guiding box mounted on the air inlet base, and a ventilation fan. The air guiding box is made up of a main body and a motor base mounted on the main body. The ventilation fan is mounted on the ...
10/13/1998
5769916Filter ventilator
A filter ventilator for installation in an opening of a wall of a switchgear cabinet or the like, having a base housing receiving the filter, which is covered with a finned screen and which is connected with a ventilator on a side facing away from the fin...
06/23/1998
5766073Exhaust header for building ventilator fan
An apparatus and method for handling and controlling exhaust from a ventilation fan. A header is placed over the exterior end of the exhaust air conduit used to exhaust air by the ventilation fan. The header provides upper and lower air paths for the exha...
06/16/1998
5720661Inversion type ventilating fan
The ventilating fan system comprises an air flow passage including a duct for guiding the air in a room to outside and a ventilating fan arranged in the air flow passage; whereby said ventilating fan is an inversion type ventilating fan, in which opposed ...
02/24/1998
5718086Method and apparatus for continuous soffit venting
A continuous vent in the form of a resilient apertured trough which fits into a bevel in the center of the soffit or at the fascia or the wall. The advantages of the vent is that its hold is based on its shape, its resilience and the angle of the bevel in...
02/17/1998
5692955Forced air vent for a roof eave
A forced air vent for allowing the unidirectional outflow of exhaust air from the interior of a structure into the atmosphere by way of an eave opening includes a generally rectangular main body, arranged with a perforate bottom wall and a pair of opposit...
12/02/1997
5620370Blowing apparatus, suction panel therefor and straightening guide therefor
A blowing apparatus includes a suction passage having a suction chamber enclosed by rigid body surfaces, suction ports opening toward the suction chamber for sucking air from outside, and a fan suction port serving as a suction port for a blower, the suct...
04/15/1997
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