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| Number | Title | Issue Date |
| 7880625 | Liquid level warning device A liquid level warning device with a separate audible alarm is disposed in a liquid tank for indicating the amount of liquid in the tank. The device also includes a plurality of float switches disposed at pre-selected levels within the tank and a plurality of LED's ... | 02/01/2011 |
| 7710283 | Fluid-level sensing device with encapsulated micro switch A fluid-level sensing device that uses the interaction of a first magnet attached to the distal end of an external micro switch arm and a second magnet positioned within the distal end of a pivoting float body to close a circuit within the micro switch and create a ... | 05/04/2010 |
| 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 |
| 7417552 | Flood alarm A flood alarm is disclosed. In an illustrative embodiment, the flood alarm includes a float assembly and a telephone system interface module connected to the float assembly. A method of indicating a flood in a structure is also disclosed. ... | 08/26/2008 |
| 7403127 | Device for establishing and/or monitoring a predetermined fill level in a container A device for establishing and/or monitoring a predetermined fill level in a container is provided, to indicate the fill level in a container and exhibiting a best possible, optimum fit for an application, which device includes: a mechanical oscillatory structure pla... | 07/22/2008 |
| 7401571 | Gutter system indicator for indicating a clogged or partially clogged condition A gutter system includes an indicator for indicating that the gutter system is clogged or partially clogged. The indicator includes a floating device such as a ball. There is provided a retainer that retains the ball within the gutter system and in the vicinity of a... | 07/22/2008 |
| 7352073 | Ocean wave energy converter having an improved generator and ballast control The ocean wave energy converter uniquely includes a generator with a rotating inner rotor surrounded by a counter-rotating outer rotor for generating electricity. A reciprocating drive rod drives the inner rotor on the downstroke of the drive rod and the outer rotor... | 04/01/2008 |
| 7327272 | Apparatus for determining and/or monitoring a process variable An apparatus for determining and/or monitoring at least one process variable of a medium in a container. The apparatus has at least one mechanically oscillatable unit unit which produces a measurement signal at least dependent on the process variable. It also has at... | 02/05/2008 |
| 7307538 | Pump connector system A single pump control unit can be coupled to first and second float switches and a pump for purposes of removing fluid from a region such as a sump. A supplemental set of contacts can be provided to couple an alarm indicating signal to a remote alarm. An alarm state... | 12/11/2007 |
| 7287482 | Flotation safety device for vehicles An emergency flotation device includes water-proof housings that are secured to a selected portion of the vehicle such that the housings are mounted medially of the vehicle's tires. Selectively inflatable flotation bags are operably coupled and permanently conjoined... | 10/30/2007 |
| 7265677 | External device indicating that a tank is filled up System for indicating when a tank is full. The system includes a signal and control box. A container is connected to the tank. The container has a base, a float, an upper portion, and a lower portion. An orifice is arranged at the upper portion of the container. The... | 09/04/2007 |
| 7230540 | Liquid level alarm A liquid level alarm is placed in a tank having a bottom and has a weight, a floating box, an alarm circuit and a cord. The weight is placed on the bottom of the tank. The floating box has a top recess, a passage, a slide and a top cover. The passage communicates wi... | 06/12/2007 |
| 7218511 | Electrical enclosure system An electrical enclosure system for effectively containing a pump control and alarm system within a single protective structure and providing convenient access to the electrical components within. The electrical enclosure system includes a tubular pedestal having an ... | 05/15/2007 |
| 7191649 | Water level sensor A liquid level sensor apparatus for monitoring the drain line of condensate from an air handler of a refrigeration system senses the presence of backup liquid in a vertical pipe in the drain system. A closure of the upper end of the pipe supports a magnetic switch a... | 03/20/2007 |
| 7150284 | Device for monitoring a wash process A device is provided for monitoring a wash process inside a mechanical washing apparatus, comprising sensor means for measuring physical and/or mechanical parameters of the wash process and recording means for recording the measured parameters within the device. Thi... | 12/19/2006 |
| 7135981 | Fuel level variation detector for marine vehicle A signaling device for a marine vehicle having a fuel tank, a fuel level value detected in the fuel tank, and a blower to evacuate fuel fumes. The signaling device comprises: a fuel level variation detector; a refueling detector for detecting a fuel level variation ... | 11/14/2006 |
| 7134354 | Display for process transmitter A transmitter for use in a process control system for monitoring an industrial process includes a housing having a top and a bottom and a height extending therebetween. A parallelogram display is mounted to the housing. Sides of the parallelogram display are arrange... | 11/14/2006 |
| 7116236 | Oil tank sight glass monitor An oil tank sight glass monitor comprising a housing having an opening therein sized to receive the sight glass of an oil tank; an emitter for emitting a beam of light, the emitter being mounted to the housing on one side of the opening so that the beam of light is ... | 10/03/2006 |
| 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 |
| 7100462 | Self adjusting sensor mounting device A method and device for mounting a sensor to a surface that is flat in one dimension and flat or curved in a second dimension. The mounting method results in stable self-centering attachment of the sensor to the surface across a wide range of radii in the second dim... | 09/05/2006 |
| 7094334 | Water filter having a filter use time indicator The described embodiments of the present invention include a water filter having a float portion with a magnet that moves up and down due to water flow to activate a switch for tracking the use time of the filter. ... | 08/22/2006 |
| 7068175 | Water level warning device A water level warning device for use in conjunction with a bathtub or a sink, for audibly warning a user when the water flowing into the bathtub or sink has reached a predetermined level. The warning device comprises a cylindrical tube containing a floating ball and... | 06/27/2006 |
| 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 |
| 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 |
| 7032434 | Water leakage detecting device in dishwasher A water leakage detecting device for effectively detecting water leakage and sensing malfunctions in the device is disclosed. The device includes a base retaining water leaked from a tub, a detector detecting whether leaked water is retained in the base, a first sig... | 04/25/2006 |
| 7030768 | Water softener monitoring device A device for monitoring the level or amount of a material within a container is provided. The device includes a detection mechanism that can be a direct detection mechanism or an indirect detection mechanism. When the detection mechanism senses an upper level of the... | 04/18/2006 |
| 7013728 | System for detecting level of liquid in tank A system for detecting the level of liquid in a tank includes a sensor part provided to the tank and for sensing a position of the liquid level in accordance with displacement of a float, and a sensor casing arranged in the tank to be isolated from liquid and for ac... | 03/21/2006 |
| 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 |
| 7001226 | Connecting cable A pole terminal (10) for connection to a connecting pin of a vehicle battery having a clamping element (12) for at least partially engaging around a circumference of a clamping section of the connecting pin and having a connecting device (16) fo... | 02/21/2006 |
| 6973828 | Liquid level sensor An improved liquid level sensor is disclosed which provides a reliable and simple device for accurately determining the level of a liquid within a vessel. The sensor utilizes a plurality of thermocouple junctions grouped in pairs with the pairs being spaced along a ... | 12/13/2005 |
| 6972685 | Liquid level sensor A liquid level detecting apparatus resistant to the deterioration and corrosion thereof is provided while holding down an increase in the manufacturing cost thereof. This apparatus 1 has fixed electrodes 3 on which a sliding contact point 5 is s... | 12/06/2005 |
| 6958693 | Sensor device and methods for using same A sensor device and method of employment is provided. More specifically, a sensor device adapted to detect, identify and/or measure a chemical and/or physical characteristic upon placement of the device into an environment, especially a liquid medium for which monit... | 10/25/2005 |
| 6952962 | Mobile monolithic polymer elements for flow control in microfluidic devices A cast-in-place and lithographically shaped mobile, monolithic polymer element for fluid flow control in microfluidic devices and method of manufacture. Microfluid flow control devices, or microvalves that provide for control of fluid or ionic current flow can be ma... | 10/11/2005 |
| 6937155 | Toilet annunciator An annunciating apparatus comprises a toilet tank containing water and an electrical circuit within an enclosure. Extending upwardly from the enclosure, an arm terminates with a hook engaging the toilet tank for suspending the enclosure in a position just below the ... | 08/30/2005 |
| 6931305 | Apparatus for monitoring and controlling pump and valve system operations A centralized monitoring and control unit for a fluid transfer facility has a connective interface providing signal connectivity to overfill and ground circuitry in individual fill lanes, to pump and valve control circuitry, and to individual ones of input mechanism... | 08/16/2005 |
| 6928862 | Method of monitoring dual-phase liquid and interface levels A dual-phase level monitoring (DPLM) instrument that provides continuous signals that enables determination of the location of the top surface of the lighter of two immiscible fluids (the product) and the hydrostatic pressure below the total fluid column of both imm... | 08/16/2005 |
| 6910498 | Liquid level controller A liquid level control system for detecting and responding to changes in the level of liquid in a container. The system includes a transmitter in radio communication with a receiver, which is in turn connected to a valve assembly. The transmitter unit is programmabl... | 06/28/2005 |
| 6843414 | Smart container for bulk delivery A smart fluid storage container assembly and methods of using the container assembly. The container assembly includes features that minimize the risk of degradation of any fluid or other material contained in the container, provide for monitoring of the conditions t... | 01/18/2005 |
| 6822565 | Wireless gauge alert A wireless gauge alert system including a near empty sensor, a near full sensor, a transmitter, a receiver, and an alert device used to monitor the fuel level status of a liquid fuel or pressure (vessel) tank having a measuring device with an output member and gauge... | 11/23/2004 |
| 6798346 | Device for floating an automobile and communication in an emergency The invention comprises a sensor to detect submergence of an automobile, a control means for generating output signals, air bags, driving units for the air bags, and a unit for generating and broadcasting an emergency signal. The device according to the present inve... | 09/28/2004 |
