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| Number | Title | Issue Date |
| 8156803 | Liquid level detection apparatus for engine oil A float-type oil-level detection apparatus is provided for detecting the surface of engine oil. A housing (81) for housing a float (82) has a through-hole (136) in the sidewall of the side opposite from the sidewall that faces the movement of th... | 04/17/2012 |
| 7707882 | Gauge to indicate the level of beverage held in a beverage container An insulation beverage container (10) is provided and includes a gauge (40) for indicating the level of beverage held in the container (10). The gauge (40) includes a float (42) positioned within the container (10), a visual... | 05/04/2010 |
| 7574912 | Collapsible liquid level measurement device with attachment A liquid level measuring device includes an elongate handle and an elongate frame arranged in telescoping relationship. The frame is movable between a collapsed position for storage and an extended position for usage. A float is movable lengthwise along the elongate... | 08/18/2009 |
| 7555946 | Sealed fuel level sensors A sealed fuel level sensor for a fuel tank is provided. The sealed fuel level sensor includes a frame having a cavity therein. The sealed fuel level sensor further includes a variable resistor disposed in the cavity and operatively supported by the frame. The sealed... | 07/07/2009 |
| 7490514 | Level sensor comprising a float for determining a fuel level in a fuel tank, and kit for such a level sensor Disclosed is a level sensor (7) for a fuel tank (1), comprising a holding part (11) that can be mounted in different positions on a support (13). The support (13) is fastened to a swirl pot (4) while the holding part (11 | 02/17/2009 |
| 7437929 | Liquid level detector The present invention provides an inexpensive small-sized liquid level detector. A liquid level detector 1 includes a float moving in accordance with variations in liquid level, a hard circuit board 5, resistors 12a and 12b ... | 10/21/2008 |
| 7418861 | Mechanically self actuated liquid level sensor A liquid level sensor for measuring liquid levels in underground and above ground containers includes a frame formed to have an elongate hollow tubular configuration that encloses a cavity. A cam pivot has an end extending into the cavity from a first inner wall por... | 09/02/2008 |
| 7377163 | Liquid level detector Two pairs of regulating means, that is, the first stopper and the second stopper, which regulate a rotary angle range of the magnet holder when the first stopper and the second stopper come into contact with the stopper of the arm integrally fixed to the magnet hold... | 05/27/2008 |
| 7369055 | Water softener monitoring system A system for monitoring the level or amount of a material within a container is provided. The system includes a detection mechanism that can be a direct detection mechanism or any of a number of indirect detection mechanisms. When the detection mechanism senses an u... | 05/06/2008 |
| 7353704 | Storage tank external gauge system Provided herein are devices useful for guiding cables, wires, cords, and the like. A device according to the present invention is particularly useful for guiding a cable that is used in providing an external liquid-level gauge on an oil tank. A cable guide means acc... | 04/08/2008 |
| 7350413 | Liquid level detection apparatus A liquid level detection apparatus of the present invention includes contacts provided at a distal end portion of a contact plate, and resistance plates which are formed on a wiring board, and have respective conductor portions over which the contacts can slide, res... | 04/01/2008 |
| 7340953 | Liquid measuring vessel The present invention relates to a liquid measuring vessel having a removable volume indicating clip. ... | 03/11/2008 |
| 7331225 | Non-contact type liquid level sensor A non-contact type liquid level sensor according to the invention has an electromagnetic shield plate mounted on a housing for blocking effects from an external magnetic field onto a magnetoelectric converting element. ... | 02/19/2008 |
| 7313956 | Lubrication system The present invention is directed to lubrication system having a reservoir having a body. A follower is moveably disposed in the body. The system further comprises an alarm system having an electrical switch operably associated with the follower. The alarm generates... | 01/01/2008 |
| 7287556 | Gas cap proximity mounted fuel indicator A fuel level indicator indicating a fuel level in a vehicle fuel tank and disposed proximate a cap for closing a refueling orifice extending from the fuel tank. The fuel indicator indicates the fuel level in response to a fuel level sender unit disposed in the fuel ... | 10/30/2007 |
| 7284422 | Fluid level measurement device A device measures the high and low fluid levels of a fluid body. A housing has a shaft with a buoyant weight, the shaft protruding through a cap on the housing's top and capable of sliding through the cap. A first ring encompasses the shaft and is initially position... | 10/23/2007 |
| 7278293 | Submersible probe A probe for deployment in a fluid measures produces an output representative of a parameter associated with the fluid. The probe includes a density control system to control a density of the probe and a locating system to track a location of probe in the fluid. ... | 10/09/2007 |
| 7259384 | Fluid level optical detector with float having opaque and transmissive portions Systems and methods for fluid level detection are disclosed. In one embodiment, a sensor assembly includes at least one optical fiber adapted to at least one of transmit and receive an optical signal, and a moveable float member. The float member is adapted to move ... | 08/21/2007 |
| 7231821 | Vertical liquid level measuring device A system for actuating an indicator in response to a depth change in a liquid that is confined to a container comprises a housing, a float constrained to vertical movement in response to changes in liquid depth in the container, a drive rod arranged to rotate in res... | 06/19/2007 |
| 7219546 | Gear and drive shaft assembly for a float gauge A float-type liquid level gauge assembly is provided for measuring the level of a liquid in a tank. The liquid level gauge is designed to reduce inventory requirements and to speed the assembly process. The gauge includes a gear housing having a lower longitudinal p... | 05/22/2007 |
| 7215021 | Electronic device The conductor wire surface for constituting a circuit formed by print or junction on a substrate formed from a composite member of ceramics, resin, and an inorganic member and from a resin member is coated with glass, resin, solder, or silver paste, thus the corrosi... | 05/08/2007 |
| 7193233 | Variable area flow rate meter using optical sensing of float position in the duct A flowmeter has a variable area, vertically-oriented duct through which flows fluid whose flow rate is to be determined. A float in the duct assumes a position in the duct that depends on the flow rate of fluid in the duct. A window is located at an end of the duct ... | 03/20/2007 |
| 7188521 | Horizontal liquid level measuring system A liquid level measuring system includes a housing mounted to a container and a flexible coupling connected between the housing and a tubular frame suspended in a container holding a liquid. The flexible coupling maintains the tubular frame in a vertical orientation... | 03/13/2007 |
| 7174784 | Apparatus for measuring a fluid level and methods An apparatus for measuring a fluid level includes a housing with a level indicator adapted to display a measured fluid level. A float is associated with the level indicator and an elongated flexible member is provided with a first end and a second end, wherein the f... | 02/13/2007 |
| 7156016 | Juice extractor with integral juice manifold and cup bridge A juice extractor and associated method includes an extractor frame, extractor cup mounted for movement within the extractor frame and a cup bridge mounted within the extractor frame. A juice manifold is integral with the cup bridge for receiving juice during extrac... | 01/02/2007 |
| 7140247 | Electrostatic charge control for in-tank fuel module components An in-tank fuel module apparatus arranged to provide an electrostatic discharge path from a conductive component to the ground plane. A conductive float arm is connected to a conductive support through an element in contact with the float arm and the conductive supp... | 11/28/2006 |
| 7131330 | Submersible pump controller An apparatus for improving the service life of a submersible probe residing in a tank includes a liquid level detector adapted to detect when a liquid in the tank rises to a first level. The first level is above the probe. A controller is coupled to the liquid level... | 11/07/2006 |
| 7121140 | Liquid quantity sensing device A liquid quantity sensing device which can easily and accurately measure liquid quantity stored in a container is disclosed. It utilizes an infrared ray or a supersonic sensing element associated with a float placed in the measuring tube and an electrical circuit bo... | 10/17/2006 |
| 7117732 | Fuel gauge for fuel cartridges Fuel gauges for fuel supplies for fuel cells are disclosed. Each fuel gauge has a property that is readable by an electrical circuit. These properties are related to the remaining fuel in the fuel supplies. These properties include, but are not limited to, electrica... | 10/10/2006 |
| 7111510 | Liquid level detection device A liquid level detecting apparatus having detachable terminals and capable of holding down the formation of silver sulfide is provided. The apparatus includes a movable contact displaced in accordance with the fluctuation of a liquid level, electrodes slidingly cont... | 09/26/2006 |
| 7105785 | High frequency heating apparatus with steam generating function The object of the invention is to provide a high-frequency heating apparatus which has simple configuration, in which leakage into the apparatus from a water tank is prevented without large-sizing the apparatus, which is not influenced by heat from a heating chamber... | 09/12/2006 |
| 7082827 | Leak detector An example of an apparatus for detecting the lowering of a top surface of a liquid includes a housing that has a housing hole, and an insertion member attached to the housing. A dowel is inserted into the housing hole, and a float is attached to the dowel. A detecto... | 08/01/2006 |
| 7066024 | Float adapted to track an interface between two liquids of differing density A float adapted to track an interface between two liquids of differing density, includes a hollow buoyant body having an interior cavity adapted to retain liquid. At least one upper access opening is provided in the body, which is adapted to permit filling of the in... | 06/27/2006 |
| 7067935 | Method for regulating the level of a dam installation and dam installation implementing the method Method of regulating a water level of a dam installation having a plurality of turbine generator units arranged to generate electrical power, wherein at least some of the plurality of turbine generator units are arranged at least one of one above another and one bes... | 06/27/2006 |
| 7062967 | Fuel level sensor An apparatus and method are provided for determining the fuel level in a fuel tank. The apparatus includes an acoustic transducer arranged to transmit an acoustic signal and receive a reflected signal. A float remains buoyant at the surface of the fuel in the tank a... | 06/20/2006 |
| 7059187 | Seamless pressure vessel A seamless marine fuel tank having directly mechanically fastened component parts such as a fuel withdrawal assembly and a direct-sight fuel gauge system. The fuel withdrawal system contains a split-nut fastening device which fastens the system to the tank and allow... | 06/13/2006 |
| 7055386 | Fluid level indicator dial assembly with magnetic calibration feature A dial assembly with magnetic calibration feature adapted for use as part of a gauge assembly for measuring fluid levels in cryogenic applications is disclosed. The dial assembly includes a base, a pivot pin extending from the base, a pointer assembly pivotally moun... | 06/06/2006 |
| 7043982 | Fuel level sending unit and contact button for same A contact button is configured to move along a resistor path of a potentiometer in a first direction and a second direction opposite the first direction. The contact button includes a body having a first end configured to lead the body when the contact button moves ... | 05/16/2006 |
| 7021138 | Fuel feeding apparatus A fuel feeding apparatus is provided with a cap body for closing an opening of the tank, and a liquid level detector that is attached to the cap body and detects a liquid level of the fuel. The liquid level detector includes a floating unit immersed in the fuel and ... | 04/04/2006 |
| 7004650 | Developing device using a developing liquid and image forming apparatus including the same A developing device for developing a latent image formed on an image carrier with a developing liquid includes a liquid storing section for storing the liquid including a developing substance and a carrier liquid. A developer carrier deposits the liquid fed from the... | 02/28/2006 |
