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| Number | Title | Issue Date |
| 7788973 | Combined sight oil level gage and ultrasonic sensor The invention provides a combined fluid level sight gage and ultrasonic sensor featuring a fluid level sight gage having a housing for containing a fluid and having a sight glass for viewing the level of the fluid therein, and an ultrasonic sensor coupled to the hou... | 09/07/2010 |
| 7603901 | Thermal liquid container having liquid level indicator A container for holding liquids. The container has a body having an interior for holding a liquid, an exterior surface, and an upper portion defining a central opening and a spout. A handle is attached to the body at a first predetermined location. A liquid level in... | 10/20/2009 |
| 7597000 | Top view liquid sight level indicator A top reading liquid sight level indicator mounts above a liquid contained in a liquid vessel comprises a measuring surface mounted to the liquid vessel that penetrates an upper surface of the contained liquid at a cant from normal to the liquid surface so that the ... | 10/06/2009 |
| 7340953 | Liquid measuring vessel The present invention relates to a liquid measuring vessel having a removable volume indicating clip. ... | 03/11/2008 |
| 7334580 | Methods, devices and formulations for targeted endobronchial therapy The present invention provides an improved method and novel devices for treating tracheobronchitis, bronchiectasis and pneumonia in the intubated patient, preferably with aerosolized anti gram-positive and anti-gram negative antibiotics administered in combination o... | 02/26/2008 |
| 7334464 | Aircraft fuel tank and sensor system The aircraft tank and gauge system of the present invention provides a fuel tank with a gauge chamber located generally aligned with the tank center of gravity and that has a general vertical orientation when the aircraft is level. The gauge chamber extends from the... | 02/26/2008 |
| 7314237 | Pipe joint assembly A pipe joint assembly including a transparent quill; an outer quill having at least a first view port, and having at least a first outwardly extending pipe coupling thread which extends longitudinally along and helically about the outer quill, the transparent quill ... | 01/01/2008 |
| 7108285 | Road and rail tankers A tanker trailer includes tanks mounted one behind the other to a chassis using a flexible mounting system. The mounting allows individual tank movement in upward and downward directions from a rest position. Close nesting is accomplished by provided adjacent tanks ... | 09/19/2006 |
| 7063061 | Liquid quantity visual confirmation device and reservoir-forming member A liquid quantity visual confirmation device comprises a first reservoir-forming member, and a second reservoir-forming member forming a liquid reservoir in combination with the first reservoir-forming member. The second reservoir-forming member is at least partiall... | 06/20/2006 |
| 7053782 | Fuel overflow alarm system A fuel overflow alarm system sounds a buzzer or other alarm when a fuel level in a fuel tank of a vehicle or other machine approaches an overflow state, thereby alerting a user that fueling should be halted. The device is activated when a fuel cap or fuel cap cover ... | 05/30/2006 |
| 7036370 | Spring assembly with cantilevered spring rods A spring assembly and an apparatus incorporating the same. The spring assembly includes a base block configured to be rigidly fixed to a frame. A pair of nominally identical spring rods is cantilevered from the base block in a first direction. Each rod has a length,... | 05/02/2006 |
| 7032781 | Drink dispenser assembly and container for drink and drink dispensing line A drink dispenser assembly (1, 25) includes a dispenser device (2) provided with a dispensing head (18, 29) for accommodating a dispensing line (17, 28), and a container (7, 27) containing drink, in particular carbonated drink, con... | 04/25/2006 |
| 7000468 | Electronic level gauge Disclosed is a fluid level gauge for sensing the level of fluid in a dispenser. The level gauge includes an inlet port communicating with the fluid and a check valve in communication with the inlet port. The check valve includes a membrane which allows air to pass. ... | 02/21/2006 |
| 6988406 | System and method of liquid level detection A system of liquid level detection has a vessel, a sight glass in fluid communication with the vessel, a float positioned in the sight glass, a proximity switch affixed exterior of the sight glass for transmitting a signal relative to a sensing of the float in proxi... | 01/24/2006 |
| 6964278 | Non-invasive gauge glass liquid level sensor apparatus An apparatus is disclosed for electronically and non-invasively sensing liquid level in a boiler or other liquid-containing vessel. The apparatus, comprising a sensor and sensor integrated circuit can be uniquely designed for external attachment to any commercially ... | 11/15/2005 |
| 6938481 | Sight glass and low temperature method of manufacturing the same An improved lower cost sight glass and a method for producing the same is disclosed, whereby the sight glass is made by placing a transparent component in secure contact with a metallic ring. The contact may optionally be effectuated by temporarily altering the rela... | 09/06/2005 |
| 6870695 | Aberration-correcting window configurations An optical configuration suited to the monitoring of a process flow through the wall of a containment vessel for producing a high-quality, high-NA sample focus and reduced residual positive spherical aberration. The invention includes an optical path with a window e... | 03/22/2005 |
| 6857315 | Armored tubular sight gauge with integral valves and misalignment unions An armored sight gauge assembly of the type having a sight tube that is placed between first and second spaced apart fittings to show a liquid level comprising an elongated main body positioned between and permanently connected to the first and second fittings. The ... | 02/22/2005 |
| 6851581 | Washing agent dispenser for a household a dishwasher A washing agent dispenser is described, for a household washing machine, namely a dishwasher, said dispenser including a tank for containing a liquid washing agent, to which a device is associated for the visual control of the level of said liquid washing agent. Acc... | 02/08/2005 |
| 6698284 | Liquid level gauge A gauge includes a translucent tube assembly having metallic tubular end segments. The end segments are endwise embedded within the ends of the translucent tube and permit dispensing with packing when joined to shut off valves at the ends of the tube asse... | 03/02/2004 |
| 6639745 | Observation window of a hyperbaric chamber An observation window of a hyperbaric oxygen chamber includes a frame, and a transparent member. The frame is fixedly joined to a wall of the chamber. The frame includes an outer annular connecting portion, and an inner annular holding portion, which is e... | 10/28/2003 |
| 6588272 | Redundant level measuring system A redundant level measuring system comprises a chamber for fluidic coupling to a process vessel whereby material level in the vessel equalizes with material level in the chamber. A float including a magnet in the chamber rises and falls with material leve... | 07/08/2003 |
| 6578418 | Sight glass A sight glass apparatus has a liquid level indicator for identifying the level of a clear to slightly translucent liquid in tube by a change in color of the indicator. The indicator has a transparent body with a convex lens, and a concave lens at opposite... | 06/17/2003 |
| 6575028 | Auto-cleaning oil-gauge for axle-ends of vehicles An oil-gauge for the axle-end of a vehicle includes a transparent or translucid lid (15) for inspecting the level of oil in a chamber (13) housing the wheel-mounting bearings. A disk partition (23) is bolted to the inside of the lid to form a shallow subc... | 06/10/2003 |
| 6554610 | Methods for constructing a combustion chamber access door and associated apparatus An inner combustion chamber access door member for a fuel-fired water heater has main and pilot burner structures respectively supported thereon by gas supply tubes sealingly extending through and anchored to the door member, and is further provided with ... | 04/29/2003 |
| 6547558 | Methods of making a fuel-fired heating appliance An inner combustion chamber access door member for a fuel-fired water heater has main and pilot burner structures respectively supported thereon by gas supply tubes sealingly extending through and anchored to the door member, and is further provided with ... | 04/15/2003 |
| 6538261 | Wet line fluid removal system with optical sensor A system for returning residual liquid remaining in a loading line to a liquid cargo container after loading or unloading of the cargo container. This system includes a liquid return line extending between the loading line and the cargo container. A pump ... | 03/25/2003 |
| 6532815 | Fluid level verification apparatus An improved fluid level verification apparatus which may be manufactured or otherwise fabricated as a kit and assembled at a remote location for use on liquid filled containers and configured to reduce inherent mechanical stresses on the inspection tube a... | 03/18/2003 |
| 6499439 | Modular stamped sight glass assembly A sight glass assembly for a water heater flame trap and a method of making same is disclosed. A rectangular-shaped sight glass frame casing being comprised of a thin metal plate further comprising a rounded rectangular cut-out window and two metal tabs o... | 12/31/2002 |
| 6481277 | Temperature control unit and sight glass An apparatus for indicating a fluid level in a reservoir includes a conduit for communication with a reservoir and including a sight glass. A buoyant primary float is provided within the conduit, and a stop is provided within the conduit for engaging the ... | 11/19/2002 |
| 6467343 | Liquid level gauge The present liquid level gauge for a liquid holding tank is comprised of a first tube with an inner section positioned inside the tank, and an outer section positioned vertically outside the tank. A larger diameter transparent tube is positioned around th... | 10/22/2002 |
| 6439171 | Inner door/burner assembly for fuel-fired water heater An inner combustion chamber access door member for a fuel-fired water heater has main and pilot burner structures respectively supported thereon by gas supply tubes sealingly extending through and anchored to the door member, and is further provided with ... | 08/27/2002 |
| 6412327 | Weight vessel of construction database for correcting outputs of load measurement sensing devices A weight vessel adapted for constructing a database for correcting outputs of load measurement sensing devices, in which the weight of the weight vessel can be changed in a desired arbitrary pitch without requiring any superfluous labor, any equipment suc... | 07/02/2002 |
| 6408693 | Fluid level indicating device for any container A fluid level indicating device comprises a transparent tube having a venturi section. A light-weight bead is disposed immediately above the venturi section. The transparent tube has a lower end which extends into a container, which container is to be fil... | 06/25/2002 |
| 6386545 | Fluid plug A plug is provided for sealing a port of a downhole tool or other device. In one aspect, the plug includes a disk that has an upper surface, a lower surface and an annular groove in the lower surface. The annular groove has an inner wall and a outer wall.... | 05/14/2002 |
| 6375031 | Container for liquids having viewing window A container for liquids having a receptacle suitable for containing a liquid, the receptacle having a wall portion and a floor portion joined to contain liquid, the wall portion having an aperture suitable for allowing a substantial portion of the liquid ... | 04/23/2002 |
| 6349603 | Fitting for hydraulic flow measurement A fitting for hydraulic flow measurement includes a fitting housing containing a principal flow duct, a throttle point arranged in the principal duct, a bypass duct for conducting a partial flow connected behind the throttle point to the principal duct, a... | 02/26/2002 |
| 6336363 | Water level and measuring apparatus A water based level measuring system including a water containing container with a base portion, a bottom and an upright defining chamber for containing water. The water containing chamber has a lower portion with an access opening communicating with the ... | 01/08/2002 |
| 6308582 | Measuring device for measuring the flow rate and temperature of a flowable medium The present invention relates to a measuring device for measuring flux rate and temperature of a flowable medium, comprising an external pipe sleeve and an internal pipe provided within said external pipe sleeve, with the diameter of said internal pipe ha... | 10/30/2001 |
| 6301961 | Insulated beverage carafe with volume indicator The present invention is directed to an insulated beverage carafe adapted for use in an automatic drip coffee maker fabricated from non-reactive metal, having a heat resistant plastic handle that includes a detachable substantially transparent tubular gau... | 10/16/2001 |
