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| Number | Title | Issue Date |
| 7293552 | Purge system for ethanol direct injection plus gas port fuel injection A method for managing vapors generated by a first and second reservoir onboard a vehicle traveling on the road, the method comprising of inducting vapors from the first and second reservoirs during engine operation; and reducing flow of vapors from first the reservo... | 11/13/2007 |
| 7264327 | Pressure regulation by transfer of a calibrated gas volume Pressure regulation in a liquid reservoir such as an ink of a jet printing head, is obtained by transferring a calibrated gas volume through an auxiliary reservoir, said regulation is being applied to installations manufacturing intelligent portable objects and more... | 09/04/2007 |
| 7234484 | Pressure tank apparatus and method A pressure tank apparatus for use with a plumbing system of the like. The pressure tank apparatus includes a liquid storage vessel having a first end and a second end along with a curved side wall that extends between the first and second ends. The pressure tank app... | 06/26/2007 |
| 7195035 | In-tank hydrogen distribution valve A hydrogen distribution valve for alternately distributing gaseous and liquid hydrogen from a tank is disclosed. The hydrogen distribution valve includes a valve housing having a gaseous hydrogen inlet, a liquid hydrogen inlet, a hydrogen outlet and a reference pres... | 03/27/2007 |
| 7143460 | Portable rotary brush cleaning device A portable rotary brush cleaning device for cleaning the inside of a bathtub or other household surfaces, comprising a machine body, a brush handle having two ends, and a motor-driven brush. The brush handle is attached to the machine body at one of its ends and to ... | 12/05/2006 |
| 7089960 | Ball valve The present invention is a ball valve which may be attached to a fluid pipe for connection/disconnection between an entrance and an exit. More particularly, the present invention is a ball valve having a discharge orifice communicating with ambient air in addition t... | 08/15/2006 |
| 7044404 | Pneumatic liquid-delivery device A fluid delivery device for supplying fluids, particularly automotive fluids supplied to fluid reservoirs. To attain this, a vessel configured to hold a liquid includes a pressurized gas inlet configured to receive gas into the vessel through a passageway in an inte... | 05/16/2006 |
| 6976497 | Pressure-differential liquid raising system Liquid raising systems raise liquid from a system inlet to a system outlet without any moving parts below the system outlet. One or more closed cells are disposed at elevations between the system inlet and outlet. A liquid conduit leads from the bottom of each cell ... | 12/20/2005 |
| 6779548 | Chemical injection system and method The invention relates to a method and a system for automatically injecting chemicals into a pressurized system. ... | 08/24/2004 |
| 6638649 | Method and article of manufacture to effect an oxygen deficient fuel cell A method and article of manufacture for effecting an oxygen deficient fuel cell wherein an oxygenless gas is introduced to the internal structure of a fuel cell as fuel volume is diminished thereby displacing ambient air containing oxygen with said oxygen... | 10/28/2003 |
| 6595957 | Surgical fluid management system with a dampening chamber An apparatus for controlling the volume of surgical fluid present in a cavity of the body during surgery includes a fluid pump for pumping surgical fluid to the cavity via a conduit. A dampener is disposed between the pump and the cavity, with the dampene... | 07/22/2003 |
| 6558823 | Method and article of manufacture to effect an oxygen deficient fuel cell A method and article of manufacture for effecting an oxygen deficient fuel cell wherein an oxygenless gas is introduced to the internal structure of a fuel cell as fuel volume is diminished thereby displacing ambient air containing oxygen with said oxygen... | 05/06/2003 |
| 6481456 | Liquid treatment apparatus and float valve therefor A float control valve for liquid treatment apparatus is located sufficiently far above the level of the liquid being treated that forces created by the liquid, or forces created during movement of the apparatus, do not harm the control valve or interfere ... | 11/19/2002 |
| 6390340 | Liquid soap dispenser A liquid soap dispenser for dispensing liquid soap. The liquid soap dispenser includes a housing with a soap reservoir and a pressurized gas reservoir disposed in the housing. The pressurized gas reservoir is in fluid communication with the soap reservoir... | 05/21/2002 |
| 6167756 | Pivotal float for liquid level detection apparatus A float for a liquid level detection apparatus including a tube extendable through liquid in a tank. The float is a buoyant body slidably mounted about the tube and having a diameter passable through an aperture in the tank. The float is preferably formed... | 01/02/2001 |
| 6142169 | Sterile tank venting system for a filling machine A gas supply system connected to vent a tank of a product filling system is set forth. The gas supply system comprises a high pressure/low pressure gas supply having a common outlet. The high pressure/low pressure gas supply is operable in a first mode of... | 11/07/2000 |
| 5485865 | Air volume control valve for water system pressure tank An air volume control valve apparatus is provided for use with a water system pressure tank. The apparatus includes an elongated tube that is supported on the tank with a first end exposed to an area exterior of the tank and a second end within the tank. ... | 01/23/1996 |
| 5449016 | Sewage system Sewage system comprised of a collector pipe with one or more house connections and to which collector pipe an air compressor and/or vacuum pump is connected, wherein a house connection is comprised of a collection gully with a connection for the sewer pip... | 09/12/1995 |
| 5344071 | Expansion tank airation device A method for purging water from flooded expansion tanks without necessitating the complete drainage and subsequent refilling of the systems allows for a stabilized hydronic water system in much less time with less effort and expense.... | 09/06/1994 |
| 5319172 | Microwave melting furnace for treating liquid A microwave melting furnace for treating a liquid, comprising an upper furnace body, a lower furnace body, means disposed to the upper furnace body for supplying material to be treated, a crucible disposed in the lower furnace body, means for detecting th... | 06/07/1994 |
| 5182834 | Vacuum pump-out control valve for wet/dry vacuum cleaner A pump-out control valve for use in connection with a wet/dry vacuum cleaner that includes a collection tank, a top cover and a vacuum blower with an air inlet and air outlet. The control valve is mounted over a pair of openings formed through the cover. ... | 02/02/1993 |
| 5131424 | Precision pressure control system A precision pressure regulator not only providing makeup pressure in response to a low pressure condition, but also for providing the ability to vent off excess pressure. A system in a self-contained unit is used, thereby eliminating a need for an externa... | 07/21/1992 |
| 4867195 | Vapor pressure control system A pressure control system for a storage tank, including a supply of working fluid under pressure. A conduit establishes fluid communication between the supply and the storage tank. A supply regulator is provided in the conduit for maintaining a substantia... | 09/19/1989 |
| 4865802 | Accumulator A liquid accumulator (28) for use in a substantially zero gravity environment which utilizes the surface tension of a liquid to form a meniscus which acts as a gas-liquid interface providing a barrier to the passage or entrainment of a gas into the liquid... | 09/12/1989 |
| 4805552 | Apparatus for regulating the flow of gaseous and liquid media Apparatus for regulating the flow of a fluid from a supply conduit at one end of an elongated housing to a nozzle having one or more orifices extending longitudinally of the housing has a partition which is installed in and divides the interior of the hou... | 02/21/1989 |
| 4733852 | Gas-liquid separator An apparatus for separating a gas from a liquid but truly suited for use in a zero gravity environment. The apparatus includes first and second closed vessels each of which are separated into a gas and liquid zone. The first vessel is separated by gas de-... | 03/29/1988 |
| 4702755 | Drip trap A drip trap for separating a liquid from a gas includes a casing, an inlet duct near the top end of the casing for introducing a liquid-containing gas into the casing, a downspout on the inner end of the casing beneath the bottom end of the downspout for ... | 10/27/1987 |
| 4589434 | Method and apparatus to prevent hydrate formation in full wellstream pipelines The apparatus and method disclosed prevents hydrate formation in subsea oil and gas pipelines including at least one marine riser. The invention reduces the pressure on the fluids in a shut in pipeline by displacing fluids in the system into a reservoir t... | 05/20/1986 |
| 4585022 | Arrangement for cleaning fuel with an electrical water level indicating device An arrangement for cleaning fuel has a housing, a deflecting member in the housing and forming an annular gap extending between a fuel inlet and a fuel outlet and also a water storing chamber separated from the fuel inlet, and electrical water-level-indic... | 04/29/1986 |
| 4584176 | Method and apparatus for storing bicarbonate dialysate The stability of bicarbonate dialysate is maintained over a prolonged period by maintaining a blanket of CO2 at atmospheric pressure over the solution in an air-tight storage tank having a non-leaching interior. The CO2 blanket is ke... | 04/22/1986 |
| 4526191 | Fluid supply container for color changer A container for holding a plurality of supplies of fluids of different colors for being provided to a color changer connected with spray painting equipment, is characterized by a canister in which is contained a plurality of bottles containing the fluids.... | 07/02/1985 |
| 4387734 | Apparatus and method for spontaneous meniscus generation An apparatus and method are described for converting a continuous fluid stream into a succession of discrete fluid segments or boluses traveling independently of each other in a capillary passage, the menisci of the boluses so generated providing a clear ... | 06/14/1983 |
| 4279269 | Liquid flow control means for gas-liquid receptacle In a gas-liquid receptacle that holds liquid in contact with pressure gas and has a concentric liquid port in its flat bottom wall, liquid inflow is controlled, to prevent foam generation, by a baffle disc and a screen, both over the liquid port. The baff... | 07/21/1981 |
| 4233698 | Pressure flush tank for toilets A pressure flush tank assembly for toilets which includes a combination of a flush valve coordinated with an air induction valve and refill valve to insure successful repetitive operation, together with a construction which prevents back-flow in the event... | 11/18/1980 |
| 4223696 | Apparatus for the purpose of avoiding pressure drop between a gaseous or vaporous phase and a liquid phase The apparatus comprises a first chamber in which there is present a gaseous or vaporous medium under pressure and a second chamber which is predominantly filled with a liquid medium under a pressure independent from the pressure in the first chamber. In a... | 09/23/1980 |
| 4204556 | Self-contained, automatic primer valve for sewer line drain traps A primer valve for sewer line drain traps comprises a case having an upper water inlet communicating with the pressurized house line and a lower water outlet communicating with the trap. The hollow interior of the case is divided into a lower valved dispe... | 05/27/1980 |
| 4199000 | Cross-contamination isolator A liquid isolator to prevent cross-contamination in the supply of liquid to and between animal racks. The isolator comprises cylindrical concentric tubes arranged to form a liquid storage chamber, a standpipe in the chamber, and a liquid entry tube within... | 04/22/1980 |
| 4195653 | Method and apparatus for recovering products of low pumpability This method and apparatus comprises displacing the product to be removed from a tank by forming and permanently maintaining at the upper part of the tank, above the product, an aqueous phase filling progressively the tank as the product is removed through... | 04/01/1980 |
| 4193417 | Fluid check valve device A fluid check valve device for use with a gas precharged fluid storage tank comprising a valve body including a float chamber having an upper and lower check valve assembly formed at opposite ends thereof wherein the lower check valve assembly comprises a... | 03/18/1980 |
| 4171208 | Vacuum cleaner including diverter valve A wet/dry vacuum apparatus is disclosed including a collection tank and a suction head. The suction head includes a base defining a tank inlet aperture, a blower intake aperture, a blower exhaust aperture, an atmospheric, intake-discharge aperture and an ... | 10/16/1979 |
