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Assignee: Rochester Gauges, Inc.


Location: Dallas, TX
No. of patents: 47

1    
NumberTitleIssue Date
8047223Gauge assembly having a stop fill device
A gauge assembly includes an indicator for providing an indication of an amount of fluid in a tank and a stop-fill assembly for stopping the flow of fluid flowing into the tank once the fluid reaches a particular level. The gauge assembly has a shaft that rotates as...
11/01/2011
7997132Capacitive sensor assembly for determining relative position
A capacitive sensor assembly for detecting relative movement or position between objects, such as liquid level in a tank or reservoir, movement of one machine component with respect to another, and so on, includes one or more antenna probes connected to an integrate...
08/16/2011
7963164Capacitive sensor assembly for determining level of fluent materials
A capacitive sensor assembly for measuring a level of fluent material in a container includes an electronics section for receiving and processing signals and an antenna probe operably associated with the electronics section. The antenna probe has an electrical condu...
06/21/2011
7921873Service valve assembly having a stop-fill device and a liquid level indicating dial
A combination overfill protection device, fluid level gauge, includes a service valve having a body defining a set of wrench flats, an input port, and a tank port wherein the overfill protection device has a float that rotates a shaft in response to a change in flui...
04/12/2011
7726334Service valve assembly having a stop-fill device and remote liquid level indicator
A system for determining a fluid level in a pressurizable container comprising is disclosed. The system includes a service valve having a set of wrench flats defining parallel flat surfaces, one of the wrench flats having a recess defined entirely within its flat su...
06/01/2010
7690323Gauge head assembly with non-magnetic insert
A gauge head assembly for use with a magnetically actuated dial includes a cylindrical body formed from a magnetic material having a cylindrical sidewall with an threaded outer surface, wherein the sidewall defines an axially extending passage for receiving a tubula...
04/06/2010
7654281Gauge assembly having a stop fill device
A gauge assembly includes an indicator for providing an indication of an amount of fluid in a tank and a stop-fill assembly for stopping the flow of fluid flowing into the tank once the fluid reaches a particular level. The gauge assembly has a shaft that rotates as...
02/02/2010
D583693Dial assembly for a gauge
12/30/2008
7293578Gauge assembly having a stop fill device
A gauge assembly includes an indicator for providing an indication of an amount of fluid in a tank and a stop-fill assembly for stopping the flow of fluid flowing into the tank once the fluid reaches a particular level. The gauge assembly has a shaft that rotates as...
11/13/2007
7219546Gear 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
D539685Dial assembly design
04/03/2007
D538693Gauge dial housing
03/20/2007
7173506Dial assembly with magnetically biased reed switch
A dial assembly for a magnetically driven gauge. The dial assembly, including a rotatable dial magnet, a reed switch and a bias magnet. The bias magnet and reed switch being positioned such that when the poles of the bias magnet and the dial magnet are in a first or...
02/06/2007
D535901Float arm
01/30/2007
7055386Fluid 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
6857313Self-calibrating capacitance gauge
A capacitive gauge, suitable for measuring a fluid level in a container, includes upper and lower capacitive elements. Also provided is a control unit for calculating the fluid level in the container based on the capacitance of the upper and lower capacitors and a d...
02/22/2005
6679116Liquid level gauge with removable Hall device
A liquid level gauge assembly including a dial assembly having a shaped magnet and a removable magnetic detector with a magnetic sensor, preferably a Hall sensor. The dial assembly can provide both visual and electrical signal outputs of the liquid level ...
01/20/2004
6675648Gear assembly including magnetic cap with alignment feature
A float-type liquid level gauge assembly is provided for measuring the level of a liquid in a tank. The liquid level gauge includes a gear housing for efficiently coupling the gears and accurately assembling and aligning certain components; a movable pivo...
01/13/2004
6658934Liquid level sender assembly
A liquid level sender assembly constructed to minimize contact distortion and dither. A housing supports a resistive track and a pivot arm is connected to the housing. The pivot arm has a force transmitting member attached which interacts with a boss on a...
12/09/2003
6588288Resistive element structure for a sender assembly of a gauge
A resistive element structure for a sender assembly of a gauge is provided. The resistive element structure comprises a first and second resistive element. A first set of contact elements are distributed along a first arc about a pivot point. Each contact...
07/08/2003
6564632Liquid level gauge with removable hall device
A liquid level gauge assembly including a dial assembly having a shaped magnet and a removable magnetic detector with a magnetic sensor, preferably a Hall sensor. The dial assembly can provide both visual and electrical signal outputs of the liquid level ...
05/20/2003
6523406Gear assembly with alignment feature
A float-type liquid level gauge assembly 20 is provided for measuring the level of a liquid, such as liquefied petroleum gases, in a tank. The liquid level gauge 20 includes a gear housing 50 which provides for an efficient way to couple gears together as...
02/25/2003
6497145Float gauge with fixed liquid level gauge
A head for use in a combination float and maximum liquid level gauge. The head has a receptacle for receiving the support member of a float gauge and contains a passageway one end of which is positioned so that it will be exposed to the interior of a LP g...
12/24/2002
6253609Liquid level gauge with hinged float arm
A float-type liquid level gauge (20) is provided for measuring the level of a liquid within a storage tank (22). The gauge includes a gauge head (30) adapted for mounting to a portion of liquid storing container, a support arm (32) connected to the gauge ...
07/03/2001
6216534Liquid level gauge with hinged float arm
A float-type liquid level gauge (20) is provided for measuring the level of a liquid within a storage tank (22). The gauge includes a gauge head (30) adapted for mounting to a portion of liquid storing container, a support arm (32) connected to the gauge ...
04/17/2001
6170328Lever gauge with hinged arms
Liquid level lever gauge with a hinged counterweight segment, or a hinged float arm segment or both a hinged float arm segment and a hinged counterweight segment. The invention permits lever arm gauges to be used in liquid storage tanks having small openi...
01/09/2001
6089086Liquid level gauge
A float-type liquid level gauge is provided for measuring the level of a liquid such as LPG within a horizontally oriented cylindrical tank (228). The gauge includes a movable pivot arm (212) supporting a float arm assembly (225) and coupled by gears (207...
07/18/2000
6041650Liquid level gauge
A float-type liquid level gauge is provided for measuring the level within a tank of liquids such as liquified petroleum gases. The liquid level gauge includes a movable float arm (30) coupled by gears (46, 48) to a magnet shaft (26) and magnet (28) mount...
03/28/2000
5907273Linear positioning indicator
Use is made of thermoplastic materials in layered configurations as a thermally stable, rigid but not brittle strip of lengths of six inches to ten feet or more. The layered strip contains layers of conductive fibers in a resin matrix, which, through use ...
05/25/1999
5859692Height sensor and air spring apparatus incorporating the same in the air chamber
An air spring apparatus with an internal height sensor is provided. The air spring includes an end cap member, a piston member and a flexible annular sleeve connected therebetween forming a sealed air chamber. The height sensor includes a sensing element ...
01/12/1999
5812048Linear positioning indicator
Use is made of thermoplastic materials in layered configurations as a thermally stable, rigid but not brittle strip of lengths of six inches to ten feet or more. The layered strip contains layers of conductive fibers in a resin matrix, which, through use ...
09/22/1998
5626053Floatless gauge with resistive/conductive polymer
A floatless liquid level gauge assembly utilizing polymeric resistive/conductive elements is provided which measures the liquid level of partially conductive or conductive liquids in a tank using a three terminal voltage divider network or a two terminal ...
05/06/1997
5603238Floatless gauge with resistive/conductive polymer
A floatless liquid level gauge assembly utilizing polymeric resistive/conductive elements is provided which measures the liquid level of partially conductive or conductive liquids in a tank using a three terminal voltage divider network or a two terminal ...
02/18/1997
5501102Floatless gauge with resistive/conductive polymer
A floatless liquid level gauge assembly utilizing polymeric resistive/conductive elements is provided which measures the liquid level of partially conductive or conductive liquids in a tank using a three terminal voltage divider network or a two terminal ...
03/26/1996
5479820Cryogenic gauge
A gauge for measuring fluid level, especially cryogenic fluids, having a head assembly with a passageway to receive the upper portion of a lift rod assembly. The lift rod assembly includes a spring attached at the upper end to the head and at the lower en...
01/02/1996
5374790Liquid level switch assembly
A liquid level switch assembly is provided which can be adjusted as to what liquid level will actuate the switch. A support bracket is mountable to the tank and a float arm is pivotally mounted to the support bracket inside the tank by way of a pivot axle...
12/20/1994
5357815Magnetically driven gauge with voltage divider
A gauge assembly (10) utilizing a voltage divider circuit to provide reliable and accurate measurement of a fluid level within a tank (16) or other environment. A pointer assembly (52) pivots about an axis (42) in response to a moving float to indicate th...
10/25/1994
5311776Pre-installation liquid level gauge assembly with thread protector
A pre-installation liquid level gauge assembly is provided which comprises a fitting with a threaded outer surface and a thread protector friction fit over the threaded outer surface. The thread protector comprises a sleeve portion and a shoulder portion ...
05/17/1994
5148709Spiral gauge with integral support tube
A gauge (10) is disclosed which provides advantages in accuracy and cost. A head (16) is mounted on a reservoir containing a fluid to be monitored. A cylindrical support tube (28) is secured to the head and extends into the fluid. A head bushing (40) and ...
09/22/1992
5072618Adjustable LPG gauge
Ad adjustable gauge 10 is disclosed for use in indicating the level of LP gas in a tank within a range of tank diameters, for example between thirty and forty-one inches. A significant advantage of the LP gas gauge 10 is that a single gauge can be easily ...
12/17/1991
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