Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8025076 | Valve assembly A valve assembly (10) able to be mounted with a liquid container, the valve assembly comprising: a housing (20) having a passageway (60) that extends through the housing; a breather float valve (80) mounted within the housing, the breathe... | 09/27/2011 |
| 7793682 | Valve assembly A valve assembly (10) able to be mounted with a liquid container, the valve assembly comprising: a housing (20) having a passageway (60) that extends through the housing; a breather float valve (80) mounted within the housing, the breathe... | 09/14/2010 |
| 7497229 | Seal support system with discharging means A seal support system (1) for maintaining barrier fluid in a mechanical seal (2) including a vessel (10) for containing barrier fluid, a system for feeding barrier fluid between the vessel (10) and the mechanical seal (2), a system... | 03/03/2009 |
| 7278435 | Assembly and system for isolation of waste water in outdoor, open-air wash station A system and method for the collection of waste water generated in the course of maintenance or washing of a large object in an open-air, outdoor environment. The system, in its simplest form, includes a wash deck having a drain located within a valley of the deck, ... | 10/09/2007 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7189365 | Liquid treating equipment including a storage vessel and a discharge vessel In a liquid treating equipment to maintain a small amount of liquid to a desired liquid level with constantly supplying an additional liquid into a small capacity vessel, a storage vessel 13 to store the small amount of liquid, an injection tube 16 to ... | 03/13/2007 |
| 7141175 | Oxidation reduction potential (ORP) based wastewater treatment process A method of treating wastewater is described in which an oxidation reduction potential (ORP) of a wastewater stream over time at a plurality of processing stages using a plurality of ORP sensors is used. The wastewater is modified based on the sensed ORP so as to ra... | 11/28/2006 |
| 7086199 | Automatic liquid delivery system with time-delay release mechanism A timed-release irrigation device is disclosed. The device includes a first fluid reservoir having an upper cover portion adapted to enclose a first body of liquid. A liquid discharge member projects from the first fluid reservoir for enabling selective release of l... | 08/08/2006 |
| 7082962 | Seal support system for maintaining barrier fluid pressure within a mechanical seal An intelligent seal support management system includes a device for automatically compensating for increased heat or decreased heat in a vessel. ... | 08/01/2006 |
| 7070394 | Gas pressure driven fluid pump having pilot valve controlling disc-type motive and exhaust valves A gas pressure driven fluid pump comprising a pump tank having a liquid inlet and a liquid outlet. A float, carried within the interior of the pump tank, is operable to move between a low level position and a high level position. A snap-acting valve is operatively c... | 07/04/2006 |
| 7028700 | Method and apparatus for level control in a water tank of a fuel reformer The present invention provides a method and apparatus for controlling a level in a receptacle capable of storing a fluid. The apparatus includes a first valve governing ingress of the fluid to the receptacle, a second valve governing egress of fluid from the recepta... | 04/18/2006 |
| 6938635 | Level switch with verification capability The present invention comprises a novel level switch which may be employed to detect liquid levels within a process vessel. The level switch of the present invention is self validating so that manual testing is not required in order to ensure proper operation and sw... | 09/06/2005 |
| 6932097 | Acoustic control of the composition and/or volume of fluid in a reservoir The invention provides a device for controlling the composition and/or volume of a fluid within a reservoir. The device includes a reservoir adapted to contain at least one fluid, a means for monitoring a characteristic of the fluid contained in the reservoir, and a... | 08/23/2005 |
| 6874929 | Apparatus and method for supplying chemicals A chemical supplying apparatus including first and second mixing tanks for mixing and supplying chemical slurries used in a semiconductor fabrication process. The slurries are alternately provided from the first and second mixing tanks such that the slurry is contin... | 04/05/2005 |
| 6845782 | Multiple tank circulating fuel system An apparatus and method for the balancing of fuel among tanks in a circulating fuel system. The tanks in the system have both a draw conduit and a return conduit mounted to and extending into the tank. Flow restriction devices are mounted in both the draw and the re... | 01/25/2005 |
| 6766614 | Automatic liquid dispensing device with smart properties An automatic liquid dispensing device with smart properties. The automatic liquid dispensing device preferably includes a storage chamber, measuring chamber, and evaporation chamber. The evaporation chamber contains an evaporation pool that is inset in the evaporati... | 07/27/2004 |
| 6675398 | Diverter for use with tank valves to direct flow to tank or rim A diverter valve for selectively passing water from a ballcock valve directly to a water storage tank or to the rim of a toilet. It includes a diverter plunger which places a deflector into the path of water from the ballcock, and a float which removes th... | 01/13/2004 |
| 6644344 | Method and apparatus for metering a flow rate of a fluid A method and apparatus for measuring the flow rate of a fluid based on the fluid weight. A container is provided between a fluid source and a fluid removal system. A valve is arranged between the fluid source and the container, to control the admitting of... | 11/11/2003 |
| 6598617 | Cascaded variable bias feedforward and feedback flow and level control system A control system for maintaining the liquid levels in a plurality of reservoirs connected in series includes one or more nested control modules. The nested control module, one for each reservoir, includes a proportional only level controller in electrical... | 07/29/2003 |
| 6582563 | Water purification system An improved portable water purification system with reduced leaks and the capability of automatic draining of its boiling tank, as well as to a method of preventing water spillage from a portable water purification system and a method of draining a boilin... | 06/24/2003 |
| 6546944 | Fluid siphon outlet sensor system In a system and method for sensing and controlling the level of a fluid in a tank, the system includes a fluid inlet, for enabling the flow of fluid into the tank, and a controller, for controlling the flow of fluid through the fluid inlet. The system fur... | 04/15/2003 |
| 6532984 | Constant flow liquid supplier A constant flow liquid supplier includes a body having a cavity defined to contain liquid. An inlet assembly floats on the liquid surface and selectively opens the inlet of the constant flow liquid supplier. An outlet assembly floats on the liquid surface... | 03/18/2003 |
| 6502607 | Fuel tank valve apparatus A fuel tank valve apparatus for use with a fuel tank. The fuel tank apparatus has an inlet neck defining a valve chamber, a valve housing positioned in the valve chamber, a valve positioned to move within the valve housing to regulate flow of liquid fuel ... | 01/07/2003 |
| 6422263 | Nested and cascaded variable bias feedfoward and feedback flow and level control system A control system for maintaining the liquid levels in a plurality of reservoirs connected in series includes a parenthetical control module and one or more nested control modules. The parenthetical control module includes a proportional only level control... | 07/23/2002 |
| 6303024 | Three batch fill/settle/draw electronic controller for use with a reverse osmosis unit An electronic controller for controlling the fill, settle and draw operations of three settling tanks which are used with a reverse osmosis unit. The three settling tanks provide a pair of liquid level input signals which indicate the water level within e... | 10/16/2001 |
| 6257287 | Fuel fill pipe shut-off device A motor vehicle fuel fill pipe shut-off device includes a fuel shut-off valve normally closed relative to a valve seat and disposed in a path of fuel flow through the fuel fill pipe of the motor vehicle to a fuel tank thereof. The valve is connected to a ... | 07/10/2001 |
| 6253781 | Process for controlling the level of an ammonium fluoride-containing acid solution in an acid vessel The present invention provides a process for controlling the level of an ammonium fluoride-containing acid solution in an acid vessel. First, a tube provided with at least one hole in the sidewall is used as a high level sensing tube for the acid solution... | 07/03/2001 |
| 6209570 | Automatic flush valve An automatic flush water distribution system for use in an evaporative cooling system includes a water distribution pipe adapted to be connected to a source of pressurized water. The pipe has a plurality of water distribution ports formed therein and a ve... | 04/03/2001 |
| 6202677 | Multi-functional cleaning and filtering system for aquarium tank A cleaning and filtering apparatus and method for a tank such as an aquarium. The major components are an inlet water controller, a suction unit, and a filter container unit. The filter container is selectively connected to the suction unit and a waste ou... | 03/20/2001 |
| 6185760 | Liquid flow control tap with inexhaustible energy-operated valve A tap used for controlling the flow of liquid, such as water, oil, or gas, is disclosed. The liquid control tap of this invention has a valve capable of being effectively operated using inexhaustible energy, such as gravity, hydraulic pressure, buoyancy, ... | 02/13/2001 |
| 6148838 | Automated processing liquid drain system The present invention discloses an automated processing liquid drain system that utilizes a series of processing liquid drain tanks and at least two waste collection tanks that are in fluid communication with the processing liquid drain tanks such that wh... | 11/21/2000 |
| 6148852 | Sump pit regulating valve A valve assembly that is composed of simple parts is described that is used to provide a sump pit water control device that operates due to the level of water within the sump and not by electricity. This valve assembly includes an adapter in the form of a... | 11/21/2000 |
| 6129110 | Fluid level management system A fluid level management system for controlling a fluid level contained within a reservoir housing is described. The fluid level management system utilizes two separate predetermined fluid levels, a first and a second spaced below the first, to create a f... | 10/10/2000 |
| 6092547 | Double funnel float valve A combination valve and trap device is described for use in liquid supply and liquid disposal systems. Floats of various size, weight and shape are encased in cylindrical housings with inverse funnel inlets and outlets. The device functions as a valve, tr... | 07/25/2000 |
| 6062253 | Apparatus for the intermediate storage and controllable release of a predeterminable quantity of water An apparatus is described for the intermediate storage and control or release of a predeterminable quantity of water, wherein the predeterminable quantity of water is replenished, each time it has been released, from a supply main for the intermediate sto... | 05/16/2000 |
| 6012481 | Constant-level fluid supplier A constant level of fluid (8 or 106) in vessel (1 or 104) is maintained using a reservoir (5 or 102) and a tank (4 or 101). Float valves (9 or 107) which raise and lower with the level of fluid in the reservoir are used to selectively close off fluid pass... | 01/11/2000 |
| 6000425 | Automatic remote fluid level controller A device comprising a chamber (10) with a maximum fluid level (14) established by an internal drain pipe (62) directing excess fluid to a point of disposal (44) and an internal replenishment fluid supply valve (16) providing any additional fluid required ... | 12/14/1999 |
| 5941417 | Fill system equipped with apparatus for continuous controlled inflow to a balance tank A system to be utilized at a dairy in the distribution of a pumpable food product from a storage tank to a filling machine for dispensing into containers. The system includes a balance tank for storing the product on the filling machine. The balance tank ... | 08/24/1999 |
| 5920920 | Straight trap toilet apparatus A straight trap toilet apparatus mainly comprises a main body with a straight trap, a piston, and a toilet bowl. The water outlet of the main body is connected to a waste pipe, and the top of the main body is mounted below the toilet bowl. The main body h... | 07/13/1999 |
| 5857624 | Windshield washer nozzle with drain port A windshield washer nozzle with a drain port is disclosed. In the nozzle with liquid inlet and outlet ports, a partition wall is formed in the middle portion of the passage between the two ports, thus branching a drain port from the main passage. A pressu... | 01/12/1999 |
