Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 6237899 | Humidifier with wick change indicator A humidifier includes a housing, a wick, a fan, and a wick change indicator. The housing has a upper and bottom portions. The bottom portion is formed with an air inlet and a reservoir. The reservoir holds water while supporting the wick. The wick is seat... | 05/29/2001 |
| 6116246 | Smokeless ashtray A smokeless ashtray includes an ashtray that is formed with an ash receiving cavity and air passageway. The ashtray is supported by a housing having an upper portion which forms an air intake substantially adjacent to the ash receiving cavity, and a botto... | 09/12/2000 |
| 6114813 | Light sensitive dimmer switch circuit A light sensitive dimmer switch circuit for controlling the illumination level of a light as a function of the ambient illumination level surrounding the dimmer switch circuit by selectively controlling an AC power signal provided to the light includes a ... | 09/05/2000 |
| 6053482 | Humidifier including a water filtration device A humidifier for vaporizing water including a base and a wick formed of a water absorbing material positionable on the base. The wick is in fluid communication with a water supply. A device is provided for moving air over the wick disposed adjacent theret... | 04/25/2000 |
| 6039462 | Lamp with safety features A lamp with improved safety features to avoid fire and burn hazards. The lamp includes an electrical circuit having a thermostat connected in series with the bulb of the lamp. The thermostat is mounted in close proximity to the lamp's bulb and, upon the a... | 03/21/2000 |
| 5997674 | Air purifier and method of manufacture An air purifier, an air filter and a method of manufacturing an air filter for an air purifier are provided. The air purifier includes a base assembly, a filter assembly and a grill. A fan is mounted to the base assembly, and draws air through the filter ... | 12/07/1999 |
| 5902037 | Lamp with safety features A lamp with improved safety features to avoid fire and burn hazards. The lamp includes an electrical circuit having a thermostat connected in series with the bulb of the lamp. The thermostat is mounted in close proximity to the lamp's bulb and, upon the a... | 05/11/1999 |
| 5893939 | Air purifier and filter assembly therefor An air purifier, an air filter and a method of manufacturing an air filter for an air purifier are provided. The air purifier includes a base assembly, a filter assembly and a grill. A fan is mounted to the base assembly, and draws air through the filter ... | 04/13/1999 |
| 5863111 | Lamp with safety features A lamp with improved safety features to avoid fire and burn hazards. The lamp includes an electrical circuit having a thermostat connected in series with the bulb of the lamp. The thermostat is mounted in close proximity to the lamp's bulb and, upon the a... | 01/26/1999 |
| 5800741 | Evaporative humidifier having wick filter with color change indicator An evaporative humidifier includes a base having a portion defining a reservoir for holding a quantity of water. A housing is mounted on the base over the reservoir, the housing having an air inlet and an air outlet. A cylindrically shaped wick filter wit... | 09/01/1998 |
| 5800054 | Easy-assembly dual-pole floor lamp An easy-assembly dual-pole floor lamp includes a first pole with top and bottom ends and a base portion which is secured to the bottom end of the first pole. The base portion has a lower second-pole-receiving region, and a second-pole-mounting member is s... | 09/01/1998 |
| 5792390 | Humidifier with top fill tank A humidifier includes a base unit defining a reservoir for retaining a liquid. A liquid supply tank is also provided which is supported by and positionable within the base unit. The tank further includes an aperture defined by an aperture wall disposed on... | 08/11/1998 |
| 5720594 | Fan oscillating in two axes A portable fan providing oscillation in two axes. Oscillation may occur simultaneously in two axes, or in one selected axis. Two oscillation mechanisms are provided, each having its own oscillation motor and each being selectively operable independent of ... | 02/24/1998 |
| 5706985 | Dispensing closure for liquids A combination cap and handle for use with a detachable humidifier reservoir tank. Extending through the cap is a tubular aperture containing a biased plunger that interacts with a base pin in the water receiving portion of the humidifier. The plunger is a... | 01/13/1998 |
| 5688446 | Evaporative humidifier An evaporative humidifier includes a base having a portion defining a reservoir for holding a quantity of water. A housing is mounted on the base over the reservoir, the housing having an air inlet and an air outlet. A cylindrically shaped wick filter is ... | 11/18/1997 |
| 5663633 | Touch control fan and method A control circuit for an electrical appliance having an inductive load includes a signal conditioning element, a control element, a power conditioning element, a power adjustment element, and a switching element. The control circuit is sensitive to input ... | 09/02/1997 |
| 5660605 | Window fan A window fan incorporating a filter. The fan has a low, flat profile for fitting in a window while occupying limited viewing area of the window. The fan includes laterally projecting extensions for sealing a gap which might otherwise exist at the right an... | 08/26/1997 |
| 5658130 | Oscillating window fan A window mounted oscillating fan. The fan has two blower modules each having a motor, fan blade, and diffuser. The diffuser is fixed in a stationary position relative to its fan blade. The window fan oscillates by pivoting all blower modules simultaneousl... | 08/19/1997 |
| 5655055 | Omnidirectional space heater having adjustable, arcuate baffles A portable forced air space heater having a three hundred sixty degree peripheral dispersion pattern. The heater has a tubular housing and a fan forcing air past a heating element upwardly within the housing. The air encounters a conical deflector which r... | 08/05/1997 |
| 5613833 | Quick release tilt adjustment mechanism A support particularly adapted to support an electric fan is provided. The support has a cam action quick release mechanism which is movable between locked and free positions. When the release mechanism is in the free position the fan can be easily rotate... | 03/25/1997 |
| 5578113 | Air treatment system An air treatment system includes a housing having a from cylindrical chamber and a rear rectangular chamber, the front and rear chambers being separated by an internal wall. The front chamber is provided with a series of outlet vents, the rear chamber is ... | 11/26/1996 |
| 5529726 | Evaporative humidifier An evaporative humidifier includes a base having a portion defining a reservoir for holding a quantity of water. A housing is mounted on the base over the reservoir, the housing having an air inlet and an air outlet. A cylindrically shaped wick filter is ... | 06/25/1996 |
| 5513296 | Air heater with angled PTC heaters producing diverging heated airflow A positive temperature coefficient (PTC) heater includes a housing, a fan mounted within the housing, a pair of positive temperature coefficient (PTC) heater assemblies disposed in the housing, and a plenum mounted in the housing. The housing includes a f... | 04/30/1996 |
| 5456742 | Electric circuit having a convenience outlet for use in a humidifier or an air purifier An electric circuit is disclosed which includes an electric fan for dispersing air, a power switch for energizing the electric fan, and a convenience outlet for supplying power through the electric circuit to an external power consuming apparatus. The con... | 10/10/1995 |
| 5434386 | Electric circuit having a heater element and a night light An electric circuit is disclosed which includes a heater element for generating heat, a power switch for controlling the current to the heater element, a night light for providing illumination, and a night light switch for controlling the current through ... | 07/18/1995 |
| 5431544 | Tiltable fan assembly A tiltable fan assembly adapted to exhaust air at a variety of angular orientations. In a preferred embodiment, the tiltable fan assembly includes a generally flat base member adapted to rest on a table top or similar surface. The base member is shaped to... | 07/11/1995 |
| 5425671 | Window fan A window fan which can easily installed in a window opening without requiring the use of extraneous tools or mounting hardware. In one embodiment, the window fan comprises a housing, the housing is generally box-like in shape and is dimensioned for use wi... | 06/20/1995 |
| 5334091 | Window fan A window fan which can be mounted in a window opening in either a double-hung window frame or a vertical slider window frame and which can be held securely in place without the use of additional hardware or mounting brackets. The window fan comprises a ho... | 08/02/1994 |
| 5245691 | Electric heater circuit An electric heater circuit for an electric heater includes a set of heater coils for generating heat, a normally closed temperature sensitive switch for deactivating the heater coils when the temperature inside the electric heater exceeds a predetermined ... | 09/14/1993 |
| 5239610 | Wall mounted plug-in electric space heater with mounting clip for preventing accidental unplugging An electric heating assembly adapted to be mounted onto and plugged into a wall-mounted electrical outlet includes a heating unit having a plug member an a back wall, thereof which is directly mateable with a power receptacle of the electrical outlet. The... | 08/24/1993 |
| 5190496 | Window fan A window fan which can be mounted in a window opening in either a double-hung window frame or a vertical slider window frame and which can be held securely in place without the use of additional hardware or mounting brackets. The window fan comprises a ho... | 03/02/1993 |
