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| Number | Title | Issue Date |
| 7341022 | Waterfall aquarium A waterfall aquarium including an enclosed transparent water tank having an interior and exterior. A water exit conduit communicates the interior of the water tank with the exterior thereof. The water exit conduit includes a hollow tubular body having an exit end an... | 03/11/2008 |
| 7332041 | Residential dishwasher A dishwasher that fits within the conventional U.S. residential dishwasher counter space and uses the conventional U.S. residential power supply to achieve within a convenient cycle time the same standard of sanitation as set forth for commercial and residential hot... | 02/19/2008 |
| 7195023 | Rapid residential dishwasher A dishwasher that fits within the conventional U.S. residential dishwasher counter space and uses the conventional U.S. residential power supply to achieve within a convenient cycle time the same standard of sanitation as set forth for commercial and residential hot... | 03/27/2007 |
| 7104269 | Residential dishwasher A dishwasher that fits within the conventional U.S. residential dishwasher counter space and uses the conventional U.S. residential power supply not only achieves within a convenient cycle time the same standard of sanitation as set forth for commercial hot water sa... | 09/12/2006 |
| 7012394 | Battery-powered air handling system for subsurface aeration The invention is a battery powered source for an air handling system that provides subsurface aeration services when an available power source provides insufficient power. The system comprises a subsurface aeration duct, a motor, an air pump, a storage battery, a ba... | 03/14/2006 |
| 6945267 | Self-restarting pool cover siphon A self-restarting pool cover siphon includes a weighted housing placed on a pool cover having water thereon, the housing having a hollow interior and openings through which water can enter, a tube in fluid communication with the hollow interior and through which wat... | 09/20/2005 |
| 6918404 | Irrigation and drainage based on hydrodynamic unsaturated fluid flow Irrigation and drainage systems are disclosed, including a saturated zone and at least one pipe in communication with the saturated zone. The pipe(s) can be configured to comprise a tubarc porous microstructure for conducting water from the saturated zone to an unsa... | 07/19/2005 |
| 6824696 | Oil from water separator An oil from water separator has an oil disengagement chamber adapted to receive an oil and water mixture and retain it for a sufficient time in a relatively undisturbed state so that oil in the mixture floats to the top of the mixture. This results in a substantiall... | 11/30/2004 |
| 6792963 | Coolant fed humidifier having siphon drain and method therefor A hot water humidifier with an automatic siphon drain fed with cooler source water is flushed via a drain. The humidifier includes the humidifier tank and an inverted U-shaped siphon conduit having one end coupled to the tank and the other end coupled to the drain. ... | 09/21/2004 |
| 6766817 | Fluid conduction utilizing a reversible unsaturated siphon with tubarc porosity action A method and system for harnessing an unsaturated flow of fluid utilizing a reversible unsaturated siphon conductor of fluid having a tubarc porous microstructure. Fluid is conducted from a zone of higher (+) fluid matric potential to a zone of lower (−) fluid mat... | 07/27/2004 |
| 5881753 | Passive fluid level controller A fluid level controller which replaces fluid lost from a container thus maintaining the fluid level in the container. It is comprised of the following major pieces: an airtight reservoir (10) with cap (14), fill stem (12), feed lube (16), and tube attach... | 03/16/1999 |
| 5738137 | Apparatus for creating surges in an aquarium An apparatus for creating surges in an aquarium uses a pump to move water from the aquarium into an external tank. A siphon tube periodically creates surges by draining water from the tank back into the aquarium. The siphon tube has an inlet at a predeter... | 04/14/1998 |
| 5718847 | Automatic siphon drain apparatus and method Drain apparatus drains an evaporative cooler housing by siphon action. The siphoning action is started when a pump which pumps water for cooler pads is turned off, and the water in a conduit flows downwardly and a valve is switched, directing the downward... | 02/17/1998 |
| 5628122 | Lint remover for a clothes drying machine A lint remover 10 is provided for removing lint from an air exhaust of a clothes dryer D. An enclosure 20 includes an inflow tube 60 delivering water into the enclosure 20. The inflow tube 60 is coupled to a clothes washer W used water discharge. The encl... | 05/13/1997 |
| 5381956 | Self activating falling water display A water display that has a container with a floor that defines an inner cavity. The container has a top opening adapted to allow a fluid to flow into the inner cavity at a first predetermined flowrate. The floor is constructed to contain the fluid when th... | 01/17/1995 |
| 5358000 | Siphon pump having a metering chamber A siphon pump system for pumping water from a water source to a supply destination. The system includes a holding canister through which the water flows, and a first timing bucket associated with the holding canister for controlling the admission of air i... | 10/25/1994 |
| 5284173 | Automatic continuous self-draining, self-cleaning and self-replenishing apparatus and system for watering stock An automatic, continuous self-draining, self-cleaning and self-replenishing method and apparatus for watering stock including a bowl with siphon and a source of water for continuous drip.... | 02/08/1994 |
| 4938420 | Device for irrigating plants A device for irrigating plants comprises a container adapted to be mounted adjacent to each plant to be irrigated and to be filled at a low rate over a long period of time, for example around-the-clock. The container further includes a water discharge con... | 07/03/1990 |
| 4911891 | Sample monitoring instrument for on-line application An apparatus and method for on-line monitoring of a characteristic of a process liquid stream includes a cell for isolating a precise volume of the liquid. There are provided means for over-filling a sample chamber and means for removing the excess from t... | 03/27/1990 |
| 4865069 | Fluid drain pump A self actuating storm or flood pump used with septic tank sewage treatment facilities with leach beds and also used to pump excessive fluids from the lower floors of buildings such as flooded basements in dwellings. A tubular means extends in a vertical ... | 09/12/1989 |
| 4853984 | System and method for maintaining a swimming pool cover drained of accumulated precipitation In a drainage system for maintaining a swimming pool cover drained of accumulated precipitation, a pump with its intake is disposed in a fluid trap defined by an upper surface of the swimming pool cover. A discharge port of the pump is disposed outside of... | 08/08/1989 |
| 4846206 | Automatic watering system using siphon action An apparatus, including a primary container or tank for receiving fluid, and a secondary or dispersing tank at a lower level for receiving fluid in a controlled manner from the upper tank. Fluid transfer is perfomed by siphoning tubes, at least one primar... | 07/11/1989 |
| 4799509 | Venting arrangement for fuel tanks of motor vehicles A vent arrangement for fuel tanks of motor vehicles which includes an expansion tank, with which is connected an expansion line extending horizontally in the vehicle transverse direction which includes two line sections extending in mutually opposite dire... | 01/24/1989 |
| 4798222 | Valve assembly particularly usable with a coffee brewing basket A valve assembly particularly usable with a coffee brewing basket being automatically dripless during the coffee brewing cycle which includes a valve body member having a head section and a main section threadedly engageable through the lower opening in t... | 01/17/1989 |
| 4797028 | Beaver control siphon apparatus A siphon apparatus for hindering beavers from blocking the inlet of a flood control riser in a water reservoir. The siphon apparatus includes a first conduit for being positioned within the riser, the first conduit having a lower end and an upper end; a s... | 01/10/1989 |
| 4718579 | Beverage dispensing machine A beverage dispensing machine which combines a powdered beverage mix and water in a first mixing chamber, provides for additional dispersion and solubilization of the powder in water in one or more additional mixing chambers and thereafter gravity feeds t... | 01/12/1988 |
| 4682579 | Condensate overflow control for furnace A safety device for monitoring the condition of the condensate outlet conduit in a high efficiency furnace is provided which comprises a float member positioned in a condensate trap arranged to float on the condensate and to rise in response to a rising l... | 07/28/1987 |
| 4665453 | Floppy disc recording and/or reproducing apparatus A floppy disc recording and/or reproducing apparatus includes a driving shaft for rotationally driving a floppy disc, a cam body having a cam part, and a driving mechanism for rotating the driving shaft and the cam body independently of each other. A pair... | 05/12/1987 |
| 4651767 | Conveyor dewatering system A conveyor belt dewatering system in which a siphon tube or pipe is vertically moveable on a tubular support whereby selectively its inlet is lowered into a conveyor belt. Counterweights counter the weight of the siphon tube, these weights being positione... | 03/24/1987 |
| 4649946 | Pipet cleaning apparatus A pipet cleaning apparatus in which cleaning liquid is fed into a cleaning tank, where a pipet is accommodated, through a feeding pipe line, a liquid level in the tank is raised to the full liquid level to immerse the pipet in the cleaning liquid, then th... | 03/17/1987 |
| 4635540 | Baker's dough proofing and raising unit A baker's dough proofing and raising unit includes a vessel having a vacuum siphon and water-addition mechanism for respectively extracting residual water and adding new water. A temperature and humidity adjusting cabinet is connected by flow conduits to ... | 01/13/1987 |
| 4573490 | Apparatus for the automatic purging of the reservoir in a water recirculation system Apparatus for automatically purging the primary reservoir in an evaporative cooler which utilizes a secondary reservoir supplied with a portion of the output flow of the recirculating pump. The primary and secondary reservoirs each contain drain valves ac... | 03/04/1986 |
| 4545528 | Sprinkler control system A spray system is provided for distributing fluid over a selected area through a distribution header to spray units. A control unit uses a siphon loop to continuously cycle an internal water level between two elevations. A water level float provides an ou... | 10/08/1985 |
| 4540014 | Hydraulic memory device A hydraulic memory device has two elongated passages for liquid, an input member connected with upper ends of the elongated passages for liquid supply into the latter, and two output members each connected with a lower end of the respective passage, where... | 09/10/1985 |
| 4526757 | Pulsed flow vapor-liquid reactor A process for automatically providing for periodic surge flow or liquid slugs in the catalyst bed to insure that the catalyst is periodically fully wetted. Therefore, before dry spots develop in the bed and some catalyst particles are deprived of the liqu... | 07/02/1985 |
| 4480655 | Liquid-plug-creating device A liquid-plug-creating device includes a collection tank or basin into which liquid flows such as the outflow from sanitary appliances. From the outlet at the bottom of the tank a riser extends upwardly at an acute angle to the horizontal. At the opposite... | 11/06/1984 |
| 4479482 | Drain leg assembly A condensing furnace utilizing a pulsating combustion process discharges flue gas and condensate from the furnace through a flue gas conduit. A drain leg assembly is coupled to the flue gas conduit for effectively separating the condensate from the flue g... | 10/30/1984 |
| 4474111 | Cleaning system for printing presses A cleaning system for a printing press having a chamber for the cleaning liquid, a supply line with a valve for controlling the flow of liquid into the chamber and a nozzle connected to the chamber at a point above the bottom of the chamber and extending ... | 10/02/1984 |
| 4414996 | System for automatically dispensing liquid chemicals into an intermittently flowing liquid stream System for automatically dispensing a liquid treatment chemical from a replaceable supply bottle into an intermittently flowing liquid stream such as a recirculating water supply for a refrigeration system. The system has a feeder chamber into which the l... | 11/15/1983 |
| 4406300 | Roof siphon drain Apparatus for siphoning liquid such as water which accumulates in a ponding area (16) located on a flat roof (12) to a drain (14) is disclosed. The apparatus includes a first liquid conduit (21) which has one end (58) in the accumulated water and a second... | 09/27/1983 |
