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| Number | Title | Issue Date |
| 8166996 | Toilet bowl overflow prevention and water conservation system and method A system and method for conditionally interfering with the operation of a conventional toilet tank fill valve prevents toilet overflow and conserves water. A single self-contained apparatus, located completely within the toilet tank, detects and prevents a toilet ov... | 05/01/2012 |
| 7757708 | Toilet bowl overflow prevention and water conservation system and method A system and method for conditionally interfering with the operation of a conventional toilet tank fill valve prevents toilet overflow and conserves water. A controller connected to a water level sensor detects abnormal toilet tank water level over time and conditio... | 07/20/2010 |
| 7509973 | System to prevent excess fluid flow with a secondary resetting shut-off valve assembly A system to prevent an excess flow of water to a toilet tank in the event of a failure of a primary flow control assembly including a novel secondary shut-off valve which is automatically disposed into an initialized configuration upon completion of a normal flush c... | 03/31/2009 |
| 7163283 | Reuse of solvent startup/shutdown fluid for concentration control A system to recycle waste ink for reuse as replenishment fluid is for an inkjet print station that includes a printhead with a fluid inlet and a fluid outlet. The system uses an ink supply tank, an external ink supply tank with fresh ink and an ink supply valve to c... | 01/16/2007 |
| 7104277 | Valve for controlling a tank internal gas pressure The invention concerns a control valve (c) for internal gas pressure of a liquid tank co-operating with an orifice (10) provided in the upper part thereof, allowing through a gas flow outside the tank when the difference between the internal pressure and the ... | 09/12/2006 |
| 7080525 | Drink dispensing system A drink dispensing system having sets of faucet dispensers, ice storage bins adjacent to the sets of faucet dispensers, respectively, a common carbonator and circulation pumps associated with fluid circuits provide circulating flow through cold plates defining botto... | 07/25/2006 |
| 7077293 | Drink dispensing system A drink dispensing system for at least one dispenser valve. The system includes a carbonator, an ice storage bin having heat transfer coils therein, a two-position valve, a carbonated water circuit, a source of water and a pump circuit. The two-position control valv... | 07/18/2006 |
| 7055546 | Fluid intake pressure regulating system A fluid intake pressure regulating system of this invention maintains the pressure of fluid entering a pump below a preselected level for avoiding undesirably high fluid discharge pressure exiting the pump. ... | 06/06/2006 |
| 7044165 | Outflow regulator for a gravity-fed liquid outlet An outflow regulator for a gravity-fed liquid outlet of a liquid reservoir comprising a restriction plate mountable within the liquid outlet for limiting a flow rate of an effluent. The restriction plate allows a lower passage for the effluent when a first level of ... | 05/16/2006 |
| 7032257 | Flush tank having electromagnetic controler A flush tank includes an outlet pipe attached to a receptacle for discharging water, a float disposed close to the outlet pipe to selectively block the outlet pipe, and to control an outward flowing of the water through the outlet pipe. A magnetically forcing device... | 04/25/2006 |
| 7024984 | Method of making coffee and coffee maker A method of making coffee in a drip-type coffee maker includes adding heated water to a brew basket containing coffee grinds, allowing said water to accumulate within the brew basket, and at a predetermined moment opening an aperture in the brew basket to allow the ... | 04/11/2006 |
| 7014067 | Method and apparatus for mixing and dispensing oil and gasoline in a tank An apparatus and method for mixing and dispensing gasoline and oil from a tank in which a flow of gasoline and oil is diverted from a dispenser pump outlet back into the tank to create a mixing of the gasoline and oil to dispensing the mixed gasoline and oil by oper... | 03/21/2006 |
| 6994107 | Easy-to-install, mechanically-operated automatic/manual device for controlling an outlet for water or any fluid This invention refers to an Automatic/Manual Device for Controlling Outflow of Water or any Fluid, with Mechanical Functioning and Easy Installation. It has a threadable intake nozzle for the inflow of water or any other fluid. The nozzle can be turned to direct the... | 02/07/2006 |
| 6968742 | Control box A control box for use, for example, to open and close a bypass valve (18, 19) of a turbocharger, in which the closing movement occurs with higher force than the opening movement, wherein the closing movement occurs in the direction of a spring force and the o... | 11/29/2005 |
| 6923142 | Animal feeder with adjustment of a feed discharge opening An animal feeder includes a hopper above a shelf onto which feed can fall to be taken by the animal or dropped into a trough below the shelf. The height of the shelf is adjustable to change the width of the opening through which the feed passes to control feed rate.... | 08/02/2005 |
| 6026837 | Automated chemical drain system The present invention provides an automated chemical drain system which includes a buffer tank for collecting used chemical from a process machine, at least two level sensors in the buffer tank for sensing a fluid level and sending out a signal, a control... | 02/22/2000 |
| 5992447 | Device for filling vinyl lined pools A device for filling a swimming pool having a liner and a shell includes a water supply valve to control the flow of water into said swimming pool; a vacuum pump to evacuate air from the space between the liner and the shell as the swimming pool is being ... | 11/30/1999 |
| 5814213 | Skimming apparatus An improved skimming apparatus for skimming a two component liquid includes a housing mounted to a tank below the normal liquid level for the tank, an outlet for pumping fluid from the submerged housing and an intake structure extending upwardly from the ... | 09/29/1998 |
| 5626162 | Water control gauge The water control gauge is a cylindrical reservoir for collecting water from rain, sprinklers and other airborne sources. The reservoir has a float measurer to measure the level of water collected in the reservoir. A pulley having a float detects the wate... | 05/06/1997 |
| 5557939 | Control system for absorption chillers A control system for absorption chillers which comprises a device for measuring operating state data concerning components of the main assembly of the chiller and including the liquid level of a high temperature generator and the degree of opening of a ga... | 09/24/1996 |
| 5460197 | Valve for a tap of a gas cylinder and tap having such a valve The valve (31) comprises at least two lateral openings (34, 36) which can be shut off by a plug (40) provided with an axial orifice (48) for the passage of gas and sliding axially in the casing (32) between a position in which the openings, (34, 36) are s... | 10/24/1995 |
| 5351712 | Hot water recovery system An on demand, remotely activated, electronically and electro-mechanically controlled, energy saving, water conservation, hot, water recovery system, which may be installed in residential and commercial structures having a pressurized water supply (11). Th... | 10/04/1994 |
| 5197569 | Constant depth reservoir The present invention is an apparatus for regulating the amonut of oil, lubricant, or other type of lubricant applied to a surface of a work piece in order to reduce friction during a machining process. It comprises a primary reservoir, a needle valve, fl... | 03/30/1993 |
| 5178009 | Integral temperature and liquid level sensor and control A temperature controller with an integral liquid level control is contained within one unit. The unit consists of an electrical and heat conductive housing, which serves as a first electrode of the liquid level sensor. A metal clamp and a means to attach ... | 01/12/1993 |
| 5012838 | Solenoid valve incorporating liquid surface detecting valve The present invention relates to a solenoid valve disposed over a fuel tank and incorporating a liquid surface detecting valve for detecting the liquid surface in a fuel tank. The solenoid valve comprises a plunger and an adhesion preventive pin wherein t... | 05/07/1991 |
| 4811754 | Rinse water valve for vacuum toilet system A fluid-flow control valve comprises a valve housing bounding a chamber and defining an inlet port for entry of fluid into the chamber and a control port for egress of fluid from the chamber. The control port is of reduced cross-sectional area relative to... | 03/14/1989 |
| 4802334 | Augmentor fuel system An optical sensor (40) located in the manifold area (20) of an augmentor senses the presence of liquid. The engine control provides a high fuel flow rate from remotely located augmentor fuel control (58) until liquid is sensed. Flow is then reduced to the... | 02/07/1989 |
| 4702271 | Flow-control device The invention concerns a float-controlled flow-control devie for the outlet from a sewage system, especially a rain basin. The bearings for the pivots (7 & 8) that the float arm (4) and the shutter (2) rotate on are mounted on a displaceable structure (3)... | 10/27/1987 |
| 4686086 | Process system including fluid flow control apparatus Apparatus is provided for controlling liquid levels in different vessels, and the blending of different materials in the separation and purification of polymeric materials in solution, such as polyethylene in cyclohexane.... | 08/11/1987 |
| 4592098 | Liquid level control system The invention is directed to a liquid level control system which includes a primary float valve which allows liquid to flow into a pool reservoir when the level of fluid in the reservoir is below a first predetermined level and a secondary float valve ass... | 06/03/1986 |
| 4549570 | Waste disposal monitoring system A monitoring system (10) for a fluid waste disposal system is provided. Fluid waste is transported from a source (12) through a valve (16) to a reservoir (14) under access control provided by access switches (40). The monitoring system (10) includes densi... | 10/29/1985 |
| 4538307 | Flood level sensor for fluid filling systems An improved flood level sensor has an upstanding, vented tube extending above and outside a receptacle while maintaining fluid communication with an enclosed rim of the receptacle. A partial vacuum is communicated to an orifice which is located within the... | 09/03/1985 |
| 4510967 | Anti-backflow valve for therapy tubs and the like An anti-backflow valve for installation in a blower discharge line of a therapy tub aeration system has an air inlet, an air outlet, and an auxiliary outlet in its housing. A spring-loaded check valve member within the housing precludes fluid flow outward... | 04/16/1985 |
| 4498203 | Flood preventer for fluid filling systems A flood preventer has a pneumatically operable lockout mechanism to disable a valve actuator and prevent its repeated operation when fluid in a receptacle has reached an excess level. In the preferred embodiments the flood preventer has a latch that is re... | 02/12/1985 |
| 4495028 | Process control for flash concentrating solutions containing polyolefins Apparatus and methods are provided for controlling liquid levels in different vessels, and the blending of different materials in the separation and purification of polymeric materials in solution, such as polyethylene in cyclohexane.... | 01/22/1985 |
| 4493350 | Device for removing air from hermetic, automatically emptying centrifuge drums A device for removing air from hermetically sealed, automatically emptying centrifuge drums and consisting of an air-removal valve atop a reservoir with a manometric switch and a level-sensitive switch and connected to controls. The controls open the valv... | 01/15/1985 |
| 4469116 | Valve device for the prevention of the overfilling of portable containers, particulary gas cylinders A valve device serving to prevent overfilling of portable containers, particularly liquid gas cylinders, includes a ball which is freely rotatable relative to a spherical seating face in a casing having a filling channel extending to said seating face. Th... | 09/04/1984 |
| 4469117 | Valve device for the prevention of the overfilling of portable containers, particularly gas cylinders A valve device serving to prevent overfilling of portable containers, particularly liquid gas cylinders, includes a ball which is freely rotatable relative to a spherical seating face in a casing having a filling channel extending to said seating face. Th... | 09/04/1984 |
| 4462417 | Valve assembly A valve assembly, mountable on a propane or LPG cylinder, has a gate valve to regulate flow. An auxiliary valve element is movable in response to the liquid level within the tank, and to pressure differentials in the outflow direction. The auxiliary valve... | 07/31/1984 |
| 4421459 | Fluid level control apparatus A fluid level control apparatus for a fluid reservoir and comprising a weatherproof housing having a plurality of micro switches mounted therein, the interior of the housing being in communication with the fluid reservoir, a reciprocal rod member extendin... | 12/20/1983 |
