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| Number | Title | Issue Date |
| 7571694 | Occupancy indication device and method An occupancy indicator for a door, and a method of use, one embodiment comprising a magnet a switching apparatus activatable by a person, a signaling device adapted to indicate one of at least two states, and a biasing mechanism. One embodiment may not be comprised ... | 08/11/2009 |
| 7367131 | System for locating a junction box A system for locating a junction box installed within the framework of a structure and behind a wall includes a first magnet mounted on a plate with the plate being removably mounted to a junction box, a spring actively biasing the magnet outwardly from the plate, a... | 05/06/2008 |
| 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 |
| 7281490 | Gauge having a magnetically driven pointer rotation device A gauge for indicating a measured variable such as pressure. The gauge includes a motion detection device including a drive magnet that is adapted to be moveable in response to changes in the variable. The pointer rotation device includes a pivot member, a power mag... | 10/16/2007 |
| 7273332 | Method and apparatus for through-hole placement in a building structure A method and apparatus for creating a through-hole in a building structure includes selecting a first location on a first side of the building structure that will define a first opening of the through-hole; disposing a magnet at the first location; selecting a secon... | 09/25/2007 |
| 7199773 | Magnetic liquid display panel A magnetic display panel includes strips of first electrodes arranged in a first direction on an inner surface of a rear plate. Strips of second electrodes are arranged in a second direction, perpendicular to the first electrodes, and insulated from the first electr... | 04/03/2007 |
| 7187296 | Miniature fault indicator A rugged, miniature, waterproof and lightweight magnetic latching indicator with an auxiliary switch. The indicator includes a solenoid, an elongated plunger mounted in the solenoid, the plunger supporting a first permanent magnet with the magnet being surrounded by... | 03/06/2007 |
| 7164357 | Magnet seat in a warning system to enhance magnetic field A magnet seat for engagement with a magnet in a warning system includes a base and a column extending upward from a side face of the base for extending through the magnet and having a stop formed on a free end of the bar for permanently fixing the position of the ma... | 01/16/2007 |
| 7128874 | Method and system for picking and placing vessels A method and system for picking and placing vessels are provided. The system includes a gripper assembly mounted on a positioning mechanism. The gripper assembly includes a cylinder, a plurality of flexible gripping members extending from the cylinder in a spaced-ap... | 10/31/2006 |
| 7126063 | Encapsulated electronic sensor package An electronic package includes a circuit board and a capsule layer encasing the circuit board and forming an immersible electronic module. A housing receives the electronic module and forms a protective shell around the electronic module. ... | 10/24/2006 |
| 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 |
| 6904129 | Twisted pair status indicator A twisted pair status indicator is provided. The twisted pair status indicator may be attached to a twisted pair access terminal to indicate whether the access terminal has available and properly functioning twisted pairs. The twisted pair status indicator may compr... | 06/07/2005 |
| 6859137 | Flatware and tableware with signaling means for use by visually impaired users Flatware and tableware having signaling means for aiding a visually impaired user in locating and retrieving food from the tableware using the flatware. A signaling means assembly is housed within the flatware handle, the assembly having a magnet and a spring. The t... | 02/22/2005 |
| 6803118 | Marker for use in a magnetic anti-theft security system A semi-hard magnetic alloy for activation strips in magnetic anti-theft security systems is disclosed that contains 8 to 25 weight % Ni, 1.0 to 4.5 weight % Al, 0.5 to 3 weight % Ti and the balance iron. ... | 10/12/2004 |
| 6755148 | Dual magnetic register for a utility meter The present invention provides a device, system, and method for detecting and measuring the bi-directional flow of a fluid through a fluid meter, such as a household or business water meter. In one device embodiment the invention comprises a logical switch collar ( | 06/29/2004 |
| 6689490 | Display element for employment in a magnetic anti-theft security system Display Element for Employment in a Magnetic Anti-theft Security System A semi-hard magnetic alloy for activation strips in magnetic anti-theft security systems is disclosed that contains 8 to 25 weight % Ni, 1.5 to 4.5 weight % Al, 0.5 to 3 weight % Ti a... | 02/10/2004 |
| 6663981 | Marker for use in a magnetic anti-theft security system and method for marking the marker A marker for use in a magnetic anti-theft security system has an amorphous ferromagnetic alloy alarm strip and at least one activation strip. The semi-hard magnetic alloy for the activation strip contains 8 to 25 weight % Ni, 1.5 to 4.5 weight % Al, 0.5 t... | 12/16/2003 |
| 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 |
| 6572523 | Centrifuge rotation indicator A centrifuge includes a centrifuge housing and a rotor. The housing defines an inner chamber, and the rotor is provided in the chamber. An indicator is provided on the housing. The indicator is constructed and arranged to indicate rotor movement. A rotor ... | 06/03/2003 |
| 6526907 | View around flow indicator A flow indicating device including a tube, a turbine wheel, and a cylinder is described. The tube defines a flow path. The turbine wheel is mounted in the tube for rotation alongside an inside wall of the tube. The turbine wheel has a plurality of turbine... | 03/04/2003 |
| 6524857 | Water leak detection A method and device for detecting water leaks is disclosed. The method and device comprise an odorant in a water soluble barrier. The odorant and water soluble barrier can be contained in a housing and placed in a location where water leakage can occur. I... | 02/25/2003 |
| 6437697 | Propane level monitor assembly A propane level monitor assembly for determining the level of propane in a storage tank. The propane level monitor assembly includes a gauge monitor assembly including a housing being adapted to be removably mounted upon a propane tank gauge, and also inc... | 08/20/2002 |
| 6422746 | Method and device for a self orienting floating apparatus The present invention relates to a method and device for a self orienting floating apparatus which utilizes an external magnetic field to maintain a constant orientation, and specifically relates to a plain form hydrometer, a floating thermometer, and a t... | 07/23/2002 |
| 6357384 | Pig detector A device for indicating the passage of a pig beyond a predetermined location in a pipeline comprising a pig detector connected to a pipeline and communicating with the interior of the pipeline through an opening at the location, a trigger slidably mounted... | 03/19/2002 |
| 6145467 | Magnetic field indicator A magnetic field indicator mounts to an MRI system to indicate the presence of the polarizing magnetic field. An indicator wheel is mounted to a frame and is rotatable between an energized orientation in which a red colored region is seen through a window... | 11/14/2000 |
| 6087824 | Nail locating device with magnet supporting indicator rod mounted in a ball socket A nail locating device includes a seat, a coupling member and an indicating rod. The seat is adapted to be moved on a surface of a board into which a nail has been driven, and has an open upper end portion and an open lower end portion. The seat further h... | 07/11/2000 |
| 6030118 | Temperature indicator for refrigerated products or the like An apparatus for irreversibly indicating that the permissible temperature of stored products has been temporarily exceeded is described, in which a container has a heat-conducting connection to the product to be monitored and contains, in its interior, a ... | 02/29/2000 |
| 5825297 | Taut armature reciprocating impulse transducer A taut armature reciprocating impulse transducer (100) includes an electromagnetic driver (24, 26) which effects an alternating electromagnetic field in response to an input signal. An armature (12) includes an upper planar suspension member (14) formed b... | 10/20/1998 |
| 5821869 | Fault indicator for use with load-break connector A fault indicator for use in conjunction with a load-break elbow connector includes a resilient mounting collar which wraps around the body of the fault indicator at a location overlying the arc-suppressing non-conductive margin between the electrically c... | 10/13/1998 |
| 5745039 | Remote sterilization monitor A remote sterilization indicator is described. The indicator allows a sterilization cycle to be monitored without the need to visually inspect the indicator.... | 04/28/1998 |
| 5497725 | Sight indicator A device for providing visual indication and record of the actuation of a tank vent opening the comprising a rod contacting a tank vent pallet at one end and a magnet affixed to another end of said rod, which moves in a chamber adjacent to a set of vertic... | 03/12/1996 |
| 5485866 | Fluid shut off valve and fill level indication A valve to monitor the level of fluid in an above ground storage tank while the tank is being filled, cutoff the flow of fluid when the tank is in a full condition, and as long as the filling pressure is on the valve the valve will remain cutoff even if t... | 01/23/1996 |
| 5427137 | Fluid shut off valve and fill level indication A valve to monitor the level of fluid in an above ground storage tank while the tank is being filled, cutoff the flow of fluid when the tank is in a full condition, and as long as the filling pressure is on the valve the valve will remain cutoff even if t... | 06/27/1995 |
| 5314036 | Steering angle sensor A steering angle sensor for accurately detecting the steering angle of a vehicle, which has a signal pattern based on partial changes of the electromagnetic characteristics formed at part of the steering rack bar of the steering gear box and reads the sam... | 05/24/1994 |
| 5279251 | Bidirectional pipeline pig signaling device The present invention is a signaling device for indicating passage of a pig through a pipeline. The device attaches to the pipeline by means of a nipple welded to the pipeline. As a pig travels past the device, an actuator of the device which hangs down i... | 01/18/1994 |
| 5273187 | Dispenser A dispenser wherein a predetermined amount of a dispensing material within a syringe barrel is dispensed from a nozzle thereof by sliding axially a plunger to a prescribed distance toward the nozzle, the plunger being housed in an axially displaceable man... | 12/28/1993 |
| 5235933 | Indicator device There is described an improved device for indicating the status of a room or adjoining space, the device including first and second plates hingedly connected to one another along adjacent edges thereof, a spring urging the second plate into a normally clo... | 08/17/1993 |
| 5057828 | Display device comprising rotating display elements having a plurality of faces, and display panel composed of such devices Display device comprising an array of rotating display elements (4) which have at least two faces of different color and are arranged in rows and columns, means (8, 18) for actuating the said rotating elements in terms of rotation, intended to ensure the ... | 10/15/1991 |
| 4999615 | Device for detecting the exceeding of a temperature threshold Device for detecting the exceeding of a temperature threshold incorporating a first mobile part (5) in a sealed chamber (4) containing a material melting at the temperature of the threshold and a second mobile part (8) outside the chamber. In the armed po... | 03/12/1991 |
| 4993843 | Method and device for detecting the temperature to which a solid, a liquid or a gas may have been subjected The device comprises a transparent tube (1) wherein may slide freely a part (4) at the extremities of which are arranged two small magnetic masses (5,6). The tube (1), closed at both ends, forms a sealed tank wherein there is placed a phase changing mater... | 02/19/1991 |
