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Class Information
Number: 73/313
Name: Measuring and testing > Liquid level or depth gauge > Float > With electrically controlled indicator
Description: Gauges having an indicator which is operated by the float through the medium of electrical means.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
6276201 Fuel tank for a motor vehicle Aug. 21, 2001
6269695 Analog liquid level sensor Aug. 7, 2001
6253608 Side mount liquid level sensor with enhanced float travel Jul. 3, 2001
6253610 System for monitoring fluid level Jul. 3, 2001
6232769 Modular waveguide assembly for a position sensor and method for making the same May. 15, 2001
6216534 Liquid level gauge with hinged float arm Apr. 17, 2001
6212950 Glass interlaced fuel system low current rheostat Apr. 10, 2001
6209392 Fuel level sensor with miniaturized ceramic resistor card Apr. 3, 2001
6192753 Inductive sensor for monitoring fluid level and displacement Feb. 27, 2001
6192754 Sensor system for measuring displacements Feb. 27, 2001
6185994 Oil level detector for detecting the oil level in the oil tank of a vehicle Feb. 13, 2001
6176133 Fuel sending unit having a fuel filter combined with a fuel float Jan. 23, 2001
6142018 Conductor burnishing Nov. 7, 2000
6138524 Mounting arrangement for a device for detecting the fuel level in a fuel tank Oct. 31, 2000
6124794 Empty product detector Sep. 26, 2000
6067854 Apparatus for sensing liquid level May. 30, 2000
6067856 Liquid level gauge and improved float construction therefor May. 30, 2000
6065336 Oil level detector mounting arrangement May. 23, 2000
6058775 Integrated liquid level and auxiliary sensor system and method May. 9, 2000
6026837 Automated chemical drain system Feb. 22, 2000
6021668 Indicator system Feb. 8, 2000
6002328 Tank display system and method for determining the remaining volume in a tank Dec. 14, 1999
5998991 Pickupless magnetostrictive position measurement apparatus Dec. 7, 1999
5986449 Self-contained liquid level detection apparatus with substantially constant cross-section outer tube Nov. 16, 1999
5986554 Empty product detector Nov. 16, 1999
5950487 Gauge for measuring liquid levels Sep. 14, 1999
5920255 Ratiometric processing and driver circuit Jul. 6, 1999
5901740 Continuous extended holding tank with variable resident time May. 11, 1999
5886312 Switch level control for tank ullage determining system Mar. 23, 1999
5880423 Water level sensor Mar. 9, 1999
5874899 Tank level gauge and sensor head therefor Feb. 23, 1999
5862702 Sealing assembly for the sensing probe of a level detector Jan. 26, 1999
5850175 Water level detector Dec. 15, 1998
5848549 Magnetostrictive position sensing probe with waveguide referenced to tip for determining fluid level in a container Dec. 15, 1998
5829303 Method and apparatus for measuring a liquid level using a liquid level gauge having reed switches to determine the position of a magnetic float Nov. 3, 1998
5806363 Tank level gauge of driven sensor type Sep. 15, 1998
5793200 Position responsive magnetic sensing elements for sensing the position of a member at a remote site Aug. 11, 1998
5765435 Apparatus for indicating fuel level in a fuel tank Jun. 16, 1998
5746088 Fuel system low current rheostat May. 5, 1998
5743136 Fluid level sensor with resistive and conductive layers Apr. 28, 1998
5728987 Gravity operated cam switch Mar. 17, 1998
5718146 Waste level detector for vehicle cesspools Feb. 17, 1998
5678449 Intake-and-gauging device for the fuel in a motor vehicle Oct. 21, 1997
5673587 Device with a pneumatically levitated sensor for measuring the fill level of a container Oct. 7, 1997
5666851 Fuel sender compensation arrangement Sep. 16, 1997
5640880 Magnetostrictive sensor Jun. 24, 1997
5636548 Analog hall-effect liquid level detector and method Jun. 10, 1997
5627380 Fluid gauging apparatus using integral electrical sensor and a stick gauge May. 6, 1997
5627523 Liquid level sensor device May. 6, 1997
5607002 Chemical refill system for high purity chemicals Mar. 4, 1997

1 2 3 4 5 6 7 8 9










 
 
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