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| Number | Title | Issue Date |
| 7926505 | Transfer unit In present-day aircraft a drain mast is used on the underside of the fuselage in order to discharge grey water to the external environment. According to an exemplary embodiment of the present invention there is no need to provide such a drain mast in that a transfer... | 04/19/2011 |
| 7571739 | Condensate removal device A condensate drain includes a body defining an interior space. An inlet opening is in fluid communication with the interior space of the body for allowing condensate to enter into the interior space, and an outlet opening is in fluid communication with the interior ... | 08/11/2009 |
| 7412987 | Expansion tank with valve An expansion tank to be connected to a pipe system filled or with a liquid is disclosed. The expansion tank includes at least one connection opening for a liquid pipe. The tank has a main valve to close off the connection opening at a defined difference in pressure ... | 08/19/2008 |
| 7316544 | Automatic pneumatic pump An automatic, pneumatic pump having a chamber that is gravity fed through a top opening and through a vertical tube with waste liquid. A buoyant plunger sits on an air inlet nipple, which nipple is located at the bottom of the chamber. Liquid entering the chamber ca... | 01/08/2008 |
| 7314509 | Gas liquid phase separator with improved pressure control A gas/liquid phase separator includes a fluid inlet, a vapor outlet, a liquid outlet, and first and second valves disposed in fluid communication with the liquid outlet. Both valves are controllable in response to a fluid level in the gas/liquid phase separator. Bot... | 01/01/2008 |
| 7308919 | Refill apparatus for multiple containers A refill apparatus for multiple containers is provided, which comprises a single piece, integrally molded primary container for holding matter. The basin of the container is comprised of a bottom with a plurality of apertures that are arranged in rows and columns fo... | 12/18/2007 |
| 7255133 | Fluid pressure system including free floating bladder A fluid pressure system (S) includes a flexible diaphragm bladder (172) located inside a pressure tank (164) installed within a fluid system such as well (168). In preferred aspects, the bladder (172) can be inflated by the introduction o... | 08/14/2007 |
| 7243673 | Gas injection device The subject invention is related to a gas injection device with back-flow leaking liquid discharge, comprising a chamber, a gas inlet conduit, a gas outlet conduit, and a liquid discharging conduit, wherein the gas outlet conduit and the liquid discharging conduit a... | 07/17/2007 |
| 7171976 | Steam trap with float Provided is a steam trap, in which an inlet and an outlet in a body are formed collinearily and a float for opening/closing the outlet is included. The steam trap having a float within a case includes the case, a cover, a strainer, the float, an arm, a gate, a lever... | 02/06/2007 |
| 7150727 | Apparatus and method for preventing free flow in an infusion line An apparatus and method for preventing free flow through an infusion set utilizes an occluder disposed within the infusion set to selectively prevent flow therethrough. The occluder may be responsive to a pressure differential within the infusion set or may respond ... | 12/19/2006 |
| 7112308 | Sulfur trap sealing device A sealing device for a sulfur trap includes a float, a counterweight, and a cleaning rod. The density of the sealing device allows flotation of the device in molten sulfur. The counterweight includes a surface to mate with an upwardly extending hollow cylinder in th... | 09/26/2006 |
| 7096880 | Float type steam trap There is provided a float type steam trap having a casing having a float chamber formed with an inflow port and an outflow port. A holder has a flow path communicating with the outflow port. A valve seat on the holder communicates with the outflow port. A float has ... | 08/29/2006 |
| 7093651 | Water pressure system with pressure tank installed within well casing of well A water pressure system includes a pressure tank installed underground within the well casing of a well. The water pressure system includes a submersible pump connected to the inlet of the pressure tank by a drop pipe. The outlet of the pressure tank is connected to... | 08/22/2006 |
| 7082961 | Flood relief system An apparatus for flood relief comprising a bell shaped hollow body having a top, a bottom, a top opening suitable for attaching a hose, and a bottom opening; a base ring having a center opening, a bottom surface, a side, an adhesive material on the bottom surface, a... | 08/01/2006 |
| 7013924 | Fluid pressure system including free floating bladder A fluid pressure system (S) includes a flexible diaphragm bladder (172) located inside a pressure tank (164) installed within a fluid system such as well (168). In preferred aspects, the bladder (172) can be inflated by the introduction o... | 03/21/2006 |
| 6931882 | Dual function condensate drain trap for negative or positive pressure air handling unit A dual function condensate drain trap for positive or negative pressure air handling unit applicable in positive or negative pressure environments by switching connecting directions includes a drain trap which has a water inlet and a water outlet on two sides to con... | 08/23/2005 |
| 6923785 | Apparatus and method for preventing free flow in an infusion line An apparatus and method for preventing free flow through an infusion set utilizes an occluder disposed within the infusion set to selectively prevent flow therethrough. The occluder may be responsive to a pressure differential within the infusion set or may respond ... | 08/02/2005 |
| 6857445 | Float valve for pulsating flow A float bell for use in a condenser comprising a center sleeve extending along a centerline comprising a first and second perimeter, an outer sleeve comprising a first and second perimeter encompassing the center sleeve, a top in contact with the second perimeter of... | 02/22/2005 |
| 6823885 | Liquid drains having liquid level adjusting mechanisms A liquid drain (2) includes a drain body (20). The drain body defines a float chamber (30) that is adapted to store a liquid. A liquid level adjusting mechanism serves to adjust the liquid level within the float chamber and includes a float (... | 11/30/2004 |
| 6745580 | Combination P-trap, shutoff switch and cleanout fitting A combination P-trap, shutoff switch and cleanout fitting for installation in a drain line has a hollow generally cylindrical body with a central chamber, an integrally formed tubular inlet and outlet, and a removable cap with a depending float switch which is dispo... | 06/08/2004 |
| 6736964 | Apparatus for separating mixed fluids and measuring quantity of component fluids The apparatus for separating and measuring mixed fluids, specifically the separation of crude oil and water and the volumetric measurement of each of the mixed fluids using a mechanical portable device primarily involving a separation vessel, an adjustable float wit... | 05/18/2004 |
| 6626201 | Apparatus for preventing reverse flow in drainage An apparatus for preventing reverse flows in a drainage is disclosed. In this apparatus, a floating device (41) and a reverse flow preventing device (54) act mutually in opposite directions owing to the floating force and the water pressure, and thus the ... | 09/30/2003 |
| 6564820 | Gas flow stop device The present invention provides a reliable regulating device that permits liquids, such as fuel oils, to be drained into the enclosure while preventing the flow of gases into the enclosure. The device includes a valve housing having a chamber for receiving... | 05/20/2003 |
| 6526921 | Method for operating a closed hot-water installation and apparatus to be used therewith Method and apparatus for operating a closed hot water installation provided with a pipe system, a boiler, heat exchangers, an expansion tank, a water make-up provision and a de-aerator, the method including the steps of opening a non-return valve to allow... | 03/04/2003 |
| 6481455 | Bubble trap for blood A bubble trap for an extracorporeal blood handling or other fluid handling system has a chamber (10) constructed from a top section (20) and bottom section (30). There is a fluid inlet (50), gas vent port (70) for purging gas that has separated from the f... | 11/19/2002 |
| 6419662 | Continuous irrigation Y-tubing control valve device and system The present invention is a continuous irrigation system for medical applications, including transurethral resection procedures, which provides automatic bag switching. It includes: (a) a first and second liquid irrigation bag; (b) a first proximal tubing ... | 07/16/2002 |
| 6336467 | Float and valve assembly for accumulator An improved float and valve assembly for a liquid-gas accumulator including a buoyant float having a density selected in accordance with the working pressure, a float which can be lengthened or shortened, and friction and drag is reduced by optimizing the... | 01/08/2002 |
| 6302136 | Steam valve Steam valve wherein at least one of the valve plug mating surface or valve seat mating surface has a metal nitride and/or carbide coating thereon. Preferably, the metal nitride and/or carbide coating is on both mating surfaces.... | 10/16/2001 |
| 6287370 | Drain discharge apparatus Disclosed is a drain discharge apparatus comprising a float provided displaceably in response to drain stored at the inside of a filter case, a handle formed with a drain discharge port for discharging the drain stored in the filter case to the outside, a... | 09/11/2001 |
| 6209567 | Foam trap for beer or other gas propelled liquid dispensing systems A foam trap or FOB for a gas propelled or mechanically pumped liquid dispensing system, having an upper ball stopper valve seat and gas vent port at the top and a lower ball stopper valve seat and liquid outlet port at the bottom, with two floating ball s... | 04/03/2001 |
| 6192920 | Chain link float valve A valve for maintaining a given level of liquid in a tank, reservoir, or other container having a liquid-gas interface. Said valve being actuated by a float that rises and falls along with the liquid in the container. Said valve float actuates a series of... | 02/27/2001 |
| 6186160 | Device for drawing off gaseous and liquid media A device for drawing off gaseous and liquid media from an inflowing medium, in particular in a tank ventilation system, has the following features: a housing, a feed connection for introducing the inflowing medium into the housing, an outlet connection fo... | 02/13/2001 |
| 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 |
| 6082389 | Beer foam reducing apparatus A beer foam reducing apparatus disposed for placement into the beer delivery lines between a keg and a beer serving spout to prevent pressurized carbon dioxide from entering the delivery line between the apparatus and the serving spout when a keg empties ... | 07/04/2000 |
| 6035882 | Monitoring condensate traps A condensate trap assembly includes a monitoring device 4 which is closely coupled to, or integral with, a condensate trap 2. The monitoring device 4 includes a flow restriction 56 and a condensate receiving chamber 48 which accommodates a sensor 66. The ... | 03/14/2000 |
| 6017332 | Medical dye delivery system A medical dye delivery system includes a medical dye container and a syringe for withdrawing the medical dye from the container and delivering the dye to a patient. A valve is disposed in the system having an inlet in flow communication with the medical d... | 01/25/2000 |
| 5868280 | Bladderless precharged pressurized liquid delivery system Minimalized energy use and operational cost are provided by the method and apparatus of this invention for liquid distribution system in which pumped liquid is charged to a pneumatically pressurized storage tank, filling it to an optimum level for subsequ... | 02/09/1999 |
| 5746184 | Fuel delivery system for diesel engines A fuel delivery system (200) is provided for removing air from fuel delivered to a diesel engine, and includes a primary water separation filter (16), and a secondary air separation filter (18). The air separation filter (18) is located downstream from th... | 05/05/1998 |
| 5705056 | Separator for separating a heavier liquid from a lighter liquid A separator (10) for separating a heavier liquid from a lighter liquid is disclosed which is intended to operate between a fuel tank (12) and a fuel pump connected to the fuel outlet (24) of the separator (10). The separator includes a float (30) which is... | 01/06/1998 |
| 5644925 | Air conditioning system condensing trap A condensate trap for an air conditioning system includes a chamber having an upstream port coupled to the air conditioning system and a downstream port coupled to the external atmosphere, a sealing device disposed in the chamber, a lower seat member posi... | 07/08/1997 |
