Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7100906 | Evaporative cooler water distribution system A water distribution system for wetting an evaporative media pad includes a nozzle spraying a stream of water onto a water distributor that diverts the stream into at least two different portions. A plurality of fingers extend in at least two different directions to... | 09/05/2006 |
| 6878057 | System for filtering and scenting of the air of individual rooms of a building A system for individualized filtering and scenting of the air of individual rooms of a building which is serviced by a ducted central forced air handling system. The system includes a conventional “tri-louvered” ceiling register and a filtering and scenting elem... | 04/12/2005 |
| 6814660 | HVAC localized air filter assembly system A heating ventilation and cooling (HVAC) localized air filter assembly system for capturing particulate material and contaminants distributed through HVAC systems. The system includes a least one frame assembly positionable over a HVAC duct and having a front wall a... | 11/09/2004 |
| 6749499 | Cover for register and register opening A register cover for a register opening in a floor includes a body with a pair of legs extending from and pivoted to the body. Each of the legs may pivot between extended and retracted positions. The legs are adapted to be inserted into the register opening when the... | 06/15/2004 |
| 6234893 | Vent device for use with medium for altering a condition of air entering an environment A vent device (10) for communicating air from the duct of an air supply system into an environment, such as a room of a building, includes a body (12) having a passageway (18) therethrough for receiving air from the air supply system, with the body (12) d... | 05/22/2001 |
| 5599485 | Portable humidifier assembly A portable humidifier assembly adapted for use in association with a forced air heat vent, the apparatus comprising: an inner frame comprising a rear crossbar, a front crossbar and a plurality of semicircular ribs affixed therebetween, the front crossbar ... | 02/04/1997 |
| 5403233 | Humidifier A humidifier is constructed from basic units that have a rigid part supporting a hydrophilic part. A lower portion of a basic unit is disposed in a water-filled canal, and the upper portion is exposed to air, especially heated air from a heater. One embod... | 04/04/1995 |
| 4706552 | Furnace register humidifier A furnace register humidifier having a rectilinear body formed by a pair of opposed side walls and a pair of end walls. A peripheral lip extends around an open end of the body for supporting the latter from perimeter edges of a floor furnace duct opening.... | 11/17/1987 |
| 4338859 | Humidifying aid A humidifying aid has a container having an open top for receiving water or the like. A pair of first and second upstanding arms extend from the container and terminate in a pair of transversely and outwardly extending ears for resting on the rim of an ou... | 07/13/1982 |
| 4327630 | Humidifier A humidifier that will operate without being supplied with power from an outside source is provided. The humidifier must be placed directly in the stream of heated air coming from a heat source in order to properly operate. The humidifier is comprised of ... | 05/04/1982 |
| 4240991 | Humidifier Disclosed is a self-contained evaporator type humidifier adapted to be positioned at an outlet opening of a warm air heating system and operated solely by an air stream issuing therefrom. The humidifier includes a housing provided with an air inlet openin... | 12/23/1980 |
| 4056049 | Space humidifier A space humidifier for humidifying air being forced into a room through a vent located adjacent the room floor. The space humidifier comprises a casing sized to be seated over the floor vent, an air shaft within the casing, a reservoir mounted within the ... | 11/01/1977 |
| 4006674 | Humidifiers for forced air systems A humidifier for use in forced air heating systems is provided wherein a housing having a water reservoir therein is adapted to be positioned adjacent an air register, outlet or diffuser. A duct in communication with said air register is provided within t... | 02/08/1977 |
