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| Number | Title | Issue Date |
| 8136472 | Indicator for pressure container An indicator includes a case mountable in a gas filling passage of a pressure container; a valve element which is urged toward one side of the case connectable to the pressure container, the valve element being movable in the case to a position balanced with gas pre... | 03/20/2012 |
| 7954445 | Pressure state indicator A pressure state indicator indicates whether or not positive pressure fluid or negative pressure fluid is supplied to a fluid path. A fluid guide member 17 is constituted of a joint main body 11 in which a fluid path 12 is formed and a partition... | 06/07/2011 |
| 7197919 | User adjustable calibration feature for a tire pressure gauge The pressure gauge is designed for operative engagement with a gas pressurized system such as a pneumatic tire. It includes a housing having a pressurized gas inlet orifice and a cylindrical bore formed within the housing. A pressure reactive piston is slidably enga... | 04/03/2007 |
| 7109877 | Fault monitoring apparatus and method A fault condition monitoring apparatus for use with a fuse cutout includes a housing operable to be supported by the fuse cutout. The housing has first and second contacts operable to make electrical contact with fuse contacts on the fuse cutout when the housing is ... | 09/19/2006 |
| 6976448 | Restriction indicator The present disclosure relates to a restriction indicator for an air cleaner system of an internal combustion engine. The restriction indicator includes a housing divided into first and second chambers by a diaphragm. A signal member is connected to the diaphragm. T... | 12/20/2005 |
| 6955169 | Inhaler device A device used with fluid canisters comprising a transparent body allowing the viewing of movement within the body having a minor and major cavity with a float indicator and float seat within the minor cavity. An inhaler top and bottom fits each end of the body formi... | 10/18/2005 |
| 6938455 | Grease supply confirming device and method A grease supply confirming device confirming the supply of a grease into a bearing, according to the present invention includes a detecting member an elastic supporting member and a movable body. The movable body such as a metal spherical body is movably provided in... | 09/06/2005 |
| 6918291 | Pressure gauge and cap An apparatus comprises a gauge for measuring a parameter. The gauge has a sensing section configured to react to exposure to the parameter in a manner indicative of the parameter. The gauge further has a port through which the sensing section is exposed to the param... | 07/19/2005 |
| 6827846 | Filter element change indicator handle A T-handle for a filter includes an integral mechanical indicator. The T-handle indicator has a threaded portion that extends through a hole in the filter cover and retains the cover to a canister. The indicator includes a spring-biased button that provides a visual... | 12/07/2004 |
| 6748897 | Fluid pressure equipment with position indicating mechanism A magnet is attached to a piston which slides in the interior of a casing due to action of fluid pressure, a guide groove is provided on a side face of the casing in a movement direction of the piston, an indicator is received in the guide groove, and at least one p... | 06/15/2004 |
| 6659037 | Method and apparatus for the evaluation of vacuum insulation panels A vacuum insulation panel comprises a barrier film and a core material and a vacuum detection indicator. The vacuum detection indicator is configured to facilitate the evaluation of the integrity of the vacuum within the vacuum insulation panel. The vacuu... | 12/09/2003 |
| 6655316 | Visual position indicator for valves with linear moving valve stem The present invention relates to a visual valve indicator comprised of a handle assembly with peripheral sidewalls attached to a linear moving valve stem for opening and closing of the valve and a grommet stratified into one or more color bands attached t... | 12/02/2003 |
| 6651834 | Bottle stopper with pressure indicator A stopper for a bottle includes a resilient outer body having an axial bore, a rigid inner body disposed within the bore, and a valve actuator moveably disposed within an axial opening of the inner body. A lower flange portion of the outer body extends ra... | 11/25/2003 |
| 6604486 | Restriction indicator The present disclosure relates to a restriction indicator for an air cleaner system of an internal combustion engine. The restriction indicator includes a housing divided into first and second chambers by a diaphragm. A signal member is connected to the d... | 08/12/2003 |
| 6470821 | Method and apparatus for the evaluation of vacuum insulation panels A vacuum insulation panel comprises a barrier film and a core material and a vacuum detection indicator. The vacuum detection indicator is configured to facilitate the evaluation of the integrity of the vacuum within the vacuum insulation panel. The vacuu... | 10/29/2002 |
| 5942193 | Daily air removal test for sterilizers A device for evaluating air removal is subjected to a sterilization process whose effectiveness is dependent on a sufficiently high vacuum being achieved. A closure or lid (20, 70) seals an opening into an interior chamber (12) of a container (10). The cl... | 08/24/1999 |
| 5852986 | Automatic inflator with status indicators A CO2 cartridge is permanently attached to a cartridge status indicator so that a user need not perform a detailed inspection to determine if the cartridge has been used or not. If the cartridge has been used, the status indicator will so indic... | 12/29/1998 |
| 5845597 | Separation medium efficiency indicator An efficiency indicator for a separation system, such as a water filter, wherein a first volume of fluid is exposed, under a first pressure, to a separation medium and a second volume of fluid is recovered therefrom, under a second, lesser pressure. The i... | 12/08/1998 |
| 5785844 | End of life mechanism for water treatment cartridge An apparatus for use with a water treatment unit that indicates the end of life of the unit. The apparatus comprises a housing with at least one opening for the passage of liquid to a chamber, formed by the interior of the housing and the water treatment ... | 07/28/1998 |
| 5778486 | Indicator device for a vacuum cleaner dust container which has an additional pressure controller Disclosed is an indicator device for visually in detail denoting the amount of filled dust in a dust container of a vacuum cleaner with time. The indicator device operates based on a vacuum pressure difference created between an air suction port and an ou... | 07/14/1998 |
| 5771834 | Double tire inflation balancer and tire pressure indicator A double tire inflation balancer and tire pressure indicator including a main body, a tire pressure indicator and an inflation tube. The tire pressure indicator is disposed in the main body and the main body is connected to the tire valve by an inflation ... | 06/30/1998 |
| 5739755 | Sensor for monitoring the cooling liquid of heat exchanger circuits A sensor for monitoring a cooling liquid circulating in a circuit of a heat exchanger of an automobile, for example, includes a support for mounting the sensor on a pipe of the circuit so that the liquid is in contact with at least a part of the sensor, a... | 04/14/1998 |
| 5687672 | Pressure indicator for tires A pressure indicator for tires comprised of a lower cylindrical housing dimensioned for removable coupling with a valve stem of a tire. A flexible diaphragm is disposed within the lower cylindrical housing. An upper cylindrical housing is coupled with the... | 11/18/1997 |
| 5677492 | Diaphragm type pressure measuring device A diaphragm type pressure measuring device including a conical diaphragm having a top and a peripheral bottom edge, a pressure probe raised from the top of the conical diaphragm, a guard connected to the peripheral bottom edge of the conical diaphragm and... | 10/14/1997 |
| 5653191 | Pressure indicator An air pressure indicator attaches to a manifold and uses air pressure to elide a pressure pin outward. A spring moves the pressure pin inward when pressure decreases in the manifold. A collet and o-ring on the pressure pin prevent the flow of pressurized... | 08/05/1997 |
| 5616157 | Visible restricted filter indicator A filter indicator system for indicating when air flow through a filter is restricted includes an indicator mounted in a filter assembly downstream of the filter. The indicator includes a housing having a central space, a side wall, an end wall, an end in... | 04/01/1997 |
| 5597091 | Safety indicator for an inflation system A discharge monitoring system for a compressed gas cylinder incorporates a seal rupturing pin mounted in a gas passage that is intended to connect to a conventional triggering mechanism for activating the seal rupturing pin connects to the object to be in... | 01/28/1997 |
| 5595138 | Apparatus for detecting operational anomalies in pressurized fluid circuits The present invention relates to an apparatus for detecting operational anomalies in a pressurized fluid circuit having a main pump, a fluid filter and a booster pump connected in series. The apparatus has an indicating detector to provide an indication o... | 01/21/1997 |
| 5469978 | Condition indicating system for railway car cushioning unit A system for indicating whether a hydraulic--pneumatic cushioning unit mounted on a railway car to cushion impacts contains sufficient hydraulic fluid to cushion impacts includes a signal assembly mounted on the body of the cushioning device, the signal a... | 11/28/1995 |
| 5452819 | Air valve fuel fill cap A fuel fill cap for use in cooperation with a fuel tank of a fuel utensil to direct pressurized air within the fuel tank, wherein the cap includes a valve member mounted within the cap to permit pressurizing of the fuel tank through the cap. A modificatio... | 09/26/1995 |
| 5437241 | Differential pressure indicator A differential pressure indicator includes a housing having first and second pressure ports for fluid and a bore communicating with the pressure ports. A piston is movable in the bore between an actuated and an unactuated position in response to a pressur... | 08/01/1995 |
| 5373989 | Sprinkler head having a checking means for checking that fluid has been filled inside of a sprinkler head body and method for checking that the fluid has been filled using such sprinkler head A sprinkler head includes a checking mechanism for checking from the outside that fluid such as fire protection water has been filled inside of a sprinkler head body. A method for checking that the fluid such as fire protection water has been filled inclu... | 12/20/1994 |
| 5351562 | Hydraulic--pneumatic cushioning device with pressure indicator A hydraulic-pneumatic cushioning device including a pressure indicator mounted on the device or remote from the device and connected to the pressure chamber within the cushioning device. The indicator includes a recess and a small pin extending into the r... | 10/04/1994 |
| 5339764 | Device for optically indicating the pressure of a medium A device for optically displaying the pressure of a medium comprises a housing, a piston within the housing which is movable along a longitudinal axis against a restoring force, and an optically transparent element within the housing having a display surf... | 08/23/1994 |
| 5325808 | Filler and pressure indicator valve A filler and pressure indicator valve having a housing with a main valve openable upon depression by a conventional filler tool upon adding air to the tire and automatically closeable upon release of the tire filling tool. A shaft is slidable through the ... | 07/05/1994 |
| 5323731 | Water filter gauge for coffee brewer A filter gauge comprising a piston operable in a pressurized cylinder, the piston having a rod which projects from the cylinder, and grippers mounted within the cylinder and accommodating movement of the piston and rod having indicia indicating the lowest... | 06/28/1994 |
| 5315838 | Air conditioner filter monitor A filter monitor for indicating the condition of an air filter in a room air conditioner to determine whether the filter is clogged. The filter monitor assembly includes a shell mounted on the front of the air conditioner, with an air pressure equalizatio... | 05/31/1994 |
| 5251568 | Actuating drive for installation in a body of a motor vehicle An actuating drive for installation in a body of a motor vehicle, from whose housing an actuator guided therein can be retracted and extended through an exit opening. A mount is provided for attaching the housing to the body with the exit opening of the a... | 10/12/1993 |
| 5237957 | Pressure indicator An essentially frictionless, reliable pressure indicator capable of withstanding high pressures is disclosed. The invention includes dual opposed springs, a pair of magnetic elements, and a resilient diaphragm abutting one of the magnetic elements. Use of... | 08/24/1993 |
| 5188728 | Clogging display with shape memory alloy spring actuator A fluid filter clogging display comprising a case of non-magnetic material divided into an upper housing, at atmospheric pressure, and a lower housing by an impermeable membrane, a piston movable in the lower housing and dividing the lower housing into a ... | 02/23/1993 |
