Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 6956385 | Integrated circuit defect analysis using liquid crystal Defect analysis of an integrated circuit die having a back side opposite circuitry at a circuit side and a liquid crystal liquid is enhanced using near infrared (nIR) laser light. According to an example embodiment of the present invention, nIR laser light is direct... | 10/18/2005 |
| 5956779 | Hydraulic drive urinal flushing system A hydraulic drive urinal flushing system includes a hydraulic cylinder having a piston reciprocated therein and a piston rod upwardly extended from the piston, a weight sensor mounted on the piston rod outside the hydraulic cylinder, and a valve connected... | 09/28/1999 |
| 5625906 | Toilet flush control assembly and methods A gravity flush toilet system includes a fixture with a water sealed trap and a tank having an overflow tube, a flush valve and a fill valve. A control assembly includes a float assembly with a member for pushing the flush valve toward its closed position... | 05/06/1997 |
| 5611090 | Toilet flush control assembly and methods A gravity flush toilet system includes a fixture with a water sealed trap and a tank having an overflow tube, a flush valve and a fill valve. A control assembly includes a float assembly with a member for pushing the flush valve toward its closed position... | 03/18/1997 |
| 5608923 | Pump operated plumbing fixture A toilet has a pump to deliver selected quantities of water from a reservoir to a toilet bowl so as to effect a water savings. In one aspect, both the motor and pump are positioned in the reservoir to deliver water to both the rim and bowl portions. In an... | 03/11/1997 |
| 5305475 | Pump operated plumbing fixture A toilet has a pump to deliver selected quantities of water from a reservoir to a toilet bowl so as to effect a water savings. In one aspect, both the motor and pump are positioned in the reservoir to deliver water to both the rim and bowl portions. In an... | 04/26/1994 |
| 4748699 | Water closet limited flush volume control system A float is slidably mounted on the upright overflow tube or other upright guide in the toilet tank. As the water level lowers during flushing, the float descends so that a valve actuator on the bottom of the float closes the flapper valve when the water l... | 06/07/1988 |
| 4651359 | Dual mode flush valve assembly A dual mode flush valve assembly selectively operable in a full or partial flush mode for use with a toilet flush tank assembly including a flush actuator movable between a first and second position interconnected to a buoyant flush valve movable between ... | 03/24/1987 |
| 4333830 | Vacuum drain system A vacuum drain system having alternating ascending and descending sections in a conduit for conveying a liquid, such as waste water, to a collector tank maintained under vacuum to induce liquid flow through the conduit. At least one of the descending cond... | 06/08/1982 |
| 4115882 | Flush valve for toilet tanks Disclosed is a flush valve for toilet tanks comprising in a general form a hollow tubular member having a valve head on its lower end and adapted at its upper end to seat with a second valve head. The lower end rests in a valve seat located in or near the... | 09/26/1978 |
| 4094327 | Fluid control device There is disclosed a liquid level control valve ideally suited for water closets and the like that employs a submersed liquid pressure responsive diaphragm as an actuator for the control valve. The control valve is supported in the tank on a liquid inlet ... | 06/13/1978 |
| 4094019 | Retractable toilet bowl assembly An assembly havng a retractable toilet bowl incorporates conduit means in the bowl trunnion for delivering water to the toilet bowl via pipes on its underside. The trunnion conduit means incorporates a Sloan valve of standard commerical type to provide ad... | 06/13/1978 |
| 4075718 | Nozzle flush system A plumbing system for flushing a toilet bowl is provided having one or more high pressure nozzles disposed about the rim of the bowl so that the discharge from the nozzles will impinge upon all of the interior surfaces of the bowl; the nozzles are each co... | 02/28/1978 |
| 4052756 | Wet type marine jet toilet A wet type marine toilet of the jet flushing type, wherein a reservoir tank is provided in a branch line connection to a top flushing rim of the bowl to delay the flushing action, and to impound fluid during the flushing operation, and upon termination of... | 10/11/1977 |
| 4017914 | Water closet metering device A metering device for use in a conventional flush toilet having a flush tank for regulating the amount of water utilized in filling the flush bowl and trap of the toilet. The device includes a metering tank disposed in the flush tank which is filled with ... | 04/19/1977 |
| 4017912 | Meterable water closet A water closet having two operational modes, one for a partial flush and the other for a full tank flush, utilized in conjunction with a bowl trap fill meter tank which reduces water consumption. A two position actuating linkage utilized in conjunction wi... | 04/19/1977 |
| 3972076 | Mechanism for flush systems The mechanism for flush system to control water-draining of tanks at atmospheric pressure comprises a shutter with a resilient valve freely floating in the water of the tank, a seat for said shutter, an air-containing bell topping the shutter and provided... | 08/03/1976 |
