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| Number | Title | Issue Date |
| 8037898 | Reservoir tank for vehicle brake system A reservoir tank for a vehicle brake system has a tank body including upper and lower shells joined together along mating surfaces. A float and a fluid level sensor are mounted in a fluid level detecting chamber defined in the tank body. The float is fitted on a sha... | 10/18/2011 |
| 7753071 | Leak detector pad A leak detector pad comprising a circuit board having a bottom surface and a top surface, spaced first and second electrically conductive traces located on the bottom surface, and an electronic circuit mounted on the top surface. The circuit includes a first segment... | 07/13/2010 |
| 7740027 | Refrigeration condensate tray treatment apparatus Apparatus applies chemicals to water in an air conditioning condensate tray. It has an elongate reservoir body with an open upper end, a closed lower end, and a central cavity enclosed by an encircling wall. The central cavity receives chemicals to prevent the growt... | 06/22/2010 |
| 7686034 | Air conditioning condensate treatment apparatus Apparatus applies chemicals to condensate water from an air conditioning condensate tray. It has an elongate body and a central cavity enclosed by an encircling wall. The central cavity receives chemicals to prevent the growth of microorganisms. A first tubular memb... | 03/30/2010 |
| 7631658 | Water supply system A water supply system (1) having at least one pressure pump (9), at least one pressure tank (3) and a plurality of water tanks (2) and (36). A submersible pump (37) is connected to a well (38) and a main water tank ( | 12/15/2009 |
| 7624756 | Refrigeration condensate line assembly An assembly mounts between the drain pan that collects condensate water from an air conditioner and the drain line. It includes a housing with a first end connected to the pan. A second end connects to the drain line. A shut off valve shuts off the passage to the pa... | 12/01/2009 |
| 7575022 | Diverter, liquid-level indicator and chemical pre-treatment and post-treatment implementations useful in waterless urinals A diverter (170, 270) atop the upper wall (110) of a cartridge (100) and over the opening (114, 115) therein avoids direct access of urine to the opening and the sealant (105) within the cartridge. The diverter is spaced by standof... | 08/18/2009 |
| 7487793 | Valve assembly with overfill protection device and capacitive liquid level gauge A valve assembly, such as a tap for a liquefied gas cylinder, includes an overfill protection device and a liquid level gauge having an electrode assembly comprising a pair of lamellar electrodes mounted closely adjacent a housing member of the overfill protection d... | 02/10/2009 |
| 7441569 | Will call wireless tank level monitoring system A wireless tank level monitoring system is provided. The system includes a transmitter that is located in close proximity to the storage tank. The transmitter is coupled to a remote-ready tank level gauge, which provides a ratio-metric voltage output proportional to... | 10/28/2008 |
| 7401625 | System for supplying liquefied gas to a combustion engine with a minimum liquefied-gas level detector To detect the volume of gas remaining in a gas bottle or a fixed tank of a system for supplying liquefied gas as fuel for a combustion engine, a positive temperature coefficient (or PTC) probe (16) is placed in the gas feed line (12) between the gas so... | 07/22/2008 |
| 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 |
| 7306008 | Water leak detection and prevention systems and methods Water leak detection and prevention systems and methods in which water is only delivered to the water pipes in the building when a faucet or appliance demands water and water is delivered through a normally closed shut off water valve. During the period that the mai... | 12/11/2007 |
| 7302964 | Housing for a liquid seal vacuum and pressure relief valve apparatus A housing and a method of using a liquid for controlling vapor flow through a valve apparatus between a canister and atmospheric conditions. The housing includes a container and a first partition that projects from the housing into the liquid and divides the vapor c... | 12/04/2007 |
| 7293578 | Gauge assembly having a stop fill device A gauge assembly includes an indicator for providing an indication of an amount of fluid in a tank and a stop-fill assembly for stopping the flow of fluid flowing into the tank once the fluid reaches a particular level. The gauge assembly has a shaft that rotates as... | 11/13/2007 |
| 7261382 | Reservoir tank for vehicle brake system A reservoir tank has an inlet/outlet port communicating with a master cylinder, and a hydraulic fluid supply port provided directly opposite the inlet/outlet port. A tubular portion is provided on the inner surface of the tank. The tubular portion has an internal pa... | 08/28/2007 |
| 7249609 | Yard hydrant with closure valve check valve A yard hydrant having a valve body with a valve seat and a drain port. A closure valve disposed within the valve body and engaging the valve seat. The valve body having a conduit in fluid communication with the drain port and a hollow interior of the valve body. A c... | 07/31/2007 |
| 7246636 | Hydraulic fluid reservoir and hydraulic system A hydraulic fluid reservoir and hydraulic pump combination has at least one hydraulic fluid port and includes a container with a hollow body having a top and a conduit having a bottom within the container and a top above the bottom. The conduit has an opening adjace... | 07/24/2007 |
| 7240690 | Valve assembly with overfill protection device and capacitive liquid level gauge A valve assembly, such as a tap for a liquefied gas cylinder, includes an overfill protection device and a liquid level gauge having an electrode assembly comprising a pair of lamellar electrodes mounted closely adjacent a housing member of the overfill protection d... | 07/10/2007 |
| 7241919 | Storage tank for easily polymerizable compound and method of storage The storage tank of the invention for an easily polymerizable compound is a storage tank having an acceptance piping and a delivery piping and is characterized by having a circulation line which directly connects the acceptance piping to the delivery piping or havin... | 07/10/2007 |
| 7229233 | Double walled containment sumps A double walled riser sump has an annular space between the two walls. The provision of the annular space provides for monitoring the integrity of the two walls of the sump. The two walls of the sump are preferably separated by a thin film or a distance fabric that ... | 06/12/2007 |
| 7219686 | Tap assembly for a liquid vessel having an overfill protection device and a float controlled magnetic level gauge This invention relates to a tap assembly for a liquid vessel, having an overfill protection device and a float controlled mechanical or magnetic level gauge. A single float actuates a stem of the overfill protection device as well as a rod of the level gauge. The ro... | 05/22/2007 |
| 7218237 | Method and apparatus for detecting water leaks A system for detecting water leaks is described. In one embodiment, the system includes a plurality of sensors, selected from a moisture sensor, a water level sensor, and/or a water temperature sensor. A processor collects moisture readings from the sensors. In one ... | 05/15/2007 |
| 7216670 | Drain apparatus with liquid trap and liquid level indicator A buoyant liquid level indicator device is positioned within liquid drain apparatus having a trough accommodating liquid to form a liquid seal to prevent passage of gas through the liquid drain apparatus. The indicator device will float and be exposed to an outside ... | 05/15/2007 |
| 7217352 | Capillary electrophoresis device An electrophoresis device is disclosed that is capable of reducing waves occurring in a fluid in which the capillary tips of a capillary assay are immersed. A plurality of partition plate members can be provided in a container containing the fluid to divide the surf... | 05/15/2007 |
| 7174912 | Shut-off valve assembly A shut-off valve assembly for regulating the flow of fluid through or from a fluid line. The assembly comprises: a body attachable to or within a fluid line and having a chamber therein with inlets and an outlet for fluid from the fluid line; a valve seat that provi... | 02/13/2007 |
| 7171982 | Hydraulic fluid reservoir and hydraulic system A hydraulic fluid reservoir and hydraulic pump combination has at least one hydraulic fluid port and includes a container with a hollow body having a top and a conduit having a bottom within the container and a top above the bottom. The conduit has an opening adjace... | 02/06/2007 |
| 7161492 | Mechanical self-cleaning probe via a jiggler A device, having a container for holding a fluid moving therein and a conductance probe installed therein for providing a conductance signal indicating whether it is in contact with the fluid, features a jiggler arrangement having a jiggler arranged on the conductan... | 01/09/2007 |
| 7129832 | High/low level alarm controller A high/low level alarm controller having ability to interface with level sensing equipment and instrumentation in a manner that isolates the controller from downstream components is presented. The controller accepts power, logic and transduced level inputs; output f... | 10/31/2006 |
| 7111636 | Leak container for fuel dispenser A leak collection chamber is provided inside the housing of a fuel dispenser. The leak collection chamber collects any leaked fuel from fuel handling components inside the fuel dispenser so that the fuel does not leak to the environment. The leak collection chamber ... | 09/26/2006 |
| 7104278 | Leak container for fuel dispenser A leak collection chamber is provided inside the housing of a fuel dispenser. The leak collection chamber collects any leaked fuel from fuel handling components inside the fuel dispenser so that the fuel does not leak to the environment. The leak collection chamber ... | 09/12/2006 |
| 7100632 | Sump liner A sump liner comprising a liner wall joined with a base member, the liner wall extending about the periphery of the base member, the liner wall comprising a primary reservoir portion and a secondary reservoir portion, with a weir extending from the base member and t... | 09/05/2006 |
| 7093800 | Method of operating a satellite for end-of-life maneuvers A method for operating a satellite (10, 34) so that a predetermined amount of propellant is left to perform end-of-life maneuvers is provided. A first pressure differential is established between a first propellant tank (74) and a second propellant tan... | 08/22/2006 |
| 7093611 | Water feeder controller for boiler A water feeder controller for a boiler monitors a low water cutoff sensor in a boiler and uses a feed timer to feed water to the boiler for a predetermined feed period of time. The feed timer brings the water level in the boiler well above the low water cutoff senso... | 08/22/2006 |
| 7093485 | Fuel level sensor A fuel level sensor for sensing and monitoring the level of remaining fluid in a container such as a fuel tank for a motorized vehicle is disclosed. The fuel level sensor incorporates an improved float and pivot arm member attached to a hub that rotates about a pivo... | 08/22/2006 |
| 7066195 | Two-way trap This invention prevents blockage that occurs in the general drainage traps of buildings. The invention consists in connecting a conduit by positioning it in the inlet part above the trap water float level (M) and in the outlet part below a line (N) thereby forming a... | 06/27/2006 |
| 7059305 | Internalized component for fuel tanks An assembly is provided for internal placement of a component within a vehicle fuel tank. The assembly generally includes a two housing elements biased apart to retain the component within the fuel tank. The component may be non-destructively and selectively attache... | 06/13/2006 |
| 7051752 | Safety container A safety container, specifically for transporting, storing, and dispensing metallo-organic substances which is sealingly closed by a lid at the upper side wherein the lid has a closable feed port and two pipe line portions are adapted to be selectively connected to ... | 05/30/2006 |
| 7011102 | Contained pipeline system with brine filled interstitial space and method for detecting leakage in same A contained pipeline and leak detection system having a plurality of pipeline sections adjoined to one or more fluid reservoirs, and a method of detecting leakage in the system are provided. Each pipeline section includes a primary pipeline section and a secondary p... | 03/14/2006 |
| 6962166 | Hydraulic fluid reservoir and hydraulic system A hydraulic fluid reservoir and hydraulic pump combination has at least one hydraulic fluid port and includes a container with a hollow body having a top and a conduit having a bottom within the container and a top above the bottom. The conduit has an opening adjace... | 11/08/2005 |
| 6948522 | Reconstitution device and method of use A reconstitution device is disclosed and includes a first container receiver having a first component cannula disposed therein, the first component cannula having a withdrawal port and a first transfer port formed thereon, a second container receiver having a second... | 09/27/2005 |
