Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7784353 | Sanitary diaphragm pressure gauge adapter An adapter fits a diaphragm-type sanitary pressure gauge onto a flanged tubular stub of a sanitary conduit. A cylinder has a lower ring flange that mates with the flange of the tubular stub and an upper flange that mates with the diaphragm mounting foot of the press... | 08/31/2010 |
| 7581449 | System and method for power pump performance monitoring and analysis A power pump performance analysis system and methods includes a signal processor connected to certain sensors for sensing pressures and stresses in the cylinder chambers and the inlet and discharge piping of a single or multicylinder pump. Pump speed and pump piston... | 09/01/2009 |
| 7438800 | Arrangement for filtering hydraulic fluid An arrangement for filtering a hydraulic fluid having a bypass line connecting the feed channel to the discharge channel where the bypass line is opened by a pressure switching valve when a pressure change is caused by the contamination of the filter element. ... | 10/21/2008 |
| 7360433 | Filter change indicator A fluid system pressure indicator is adapted for use in fluid systems having a filter element. The fluid system force indicator includes a housing partitioned to be exposed to the fluid system to provide transmission of a mechanical force between these partitioned e... | 04/22/2008 |
| 7360432 | Apparatus for detecting pressure The present invention relates to apparatuses for detecting fuel pressure in internal combustion engines. The invention especially relates to internal combustion engine applications in which fuel reaches a high pressure. The apparatus according to the invention is a ... | 04/22/2008 |
| 7357033 | Manual resuscitators with integral manometer A manometer integrated into a manual resuscitator includes a housing with a communication path, and a pressure gauge integrally forming part of the housing. A sensing chamber and an atmospheric chamber are separated by a diaphragm subject to distortion by differenti... | 04/15/2008 |
| 7308829 | Differential pressure indicator and method of manufacture A differential pressure indicator and method of configuring a differential pressure indicator is provided. The differential pressure indicator is configurable to provide open circuit or closed circuit logic and includes a housing, a pressure responsive element, a po... | 12/18/2007 |
| 7301118 | Welding gun with controller and method for using same A welding gun assembly including a housing that defines a first chamber and a second chamber. The assembly also includes a first piston moveably disposed in the first chamber and a second piston moveably disposed in the second chamber. The assembly includes an inten... | 11/27/2007 |
| 7240545 | Test apparatus for direct measurement of expansion and shrinkage of oil well cements A test apparatus for the measurement of expansion and/or shrinkage of a cement test sample during curing under pressure and temperature conditions that simulate downhole oil well conditions isolates the test sample from a first fixed volume of incompressible pressur... | 07/10/2007 |
| 7234490 | Hydraulic accumulator comprising a position indicator A hydraulic accumulator includes an accumulator housing (1) formed of a non-magnetizable material and defining an axial direction of the housing. A separating element (9) can be axially displaced in the accumulator housing (1) and separates two ... | 06/26/2007 |
| 7226207 | Temperature gauge for use with sanitary conduit A standard industrial temperature gauge is adapted for a sanitary conduit that has been provided with a tubular stub for mounting the temperature gauge. A disk flange mates with an upper flange of the tubular stub. A aperture or passageway in the disk flange permits... | 06/05/2007 |
| 7226133 | Environment protector air compressor pressurized wheel hub A pressurized wheel hub formed from an air-tight sealing arrangement located on each end of a wheel hub to form a closed air system in the interior of the wheel hub. The closed air system fluidly coupled to a DC power air compressor for receiving pressurized air. A ... | 06/05/2007 |
| 7188531 | Pressure gauge for use with sanitary conduit A standard industrial pressure gauge is adapted for a sanitary conduit that has been provided with a tubular stub for mounting the gauge. A cylinder has a disk flange that mates with an upper flange of the tubular stub. A cap closes off the top of the cylinder, and ... | 03/13/2007 |
| 7181973 | Air pump with a manometer received therein An air pump includes a cylindrical casing, a manometer movably received in the cylindrical casing to be selectively extended out of the cylindrical casing, an air duct securely received in the manometer to be firmly engaged with an inner face defining the reduced bo... | 02/27/2007 |
| 7171850 | Magnifying device for tire pressure gage reading A magnifying device for tire pressure gage reading includes a holding element slidably and removably mounted on a main body of a tire pressure gage, a connecting arm connected at an end to and extending slantingly outward from the holding element, and a magnifying e... | 02/06/2007 |
| 7159811 | Decorative member for outdoor use A decorative member for outdoors use is adapted to be coupled to a main functional member and has a surface that is externally exposed. The decorative member includes an outer member made of a metal, the outer member having inner and outer surfaces; and at least one... | 01/09/2007 |
| 7161476 | Electronic tire management system An electronic tire maintenance system is provided for measuring a parameter of a device at a first location. The system includes a sensor for measuring the device parameter and generating a data signal representing the measured parameter. The system also includes a ... | 01/09/2007 |
| 7144739 | Pressure measurement and relief for microwave-assisted chemical reactions A pressure-sealing, pressure-monitoring closure for non-invasively sealing a reaction vessel to a defined release pressure in microwave-assisted chemistry is disclosed. The closure includes a pressure-resistant, microwave-transparent reaction vessel, one portion of ... | 12/05/2006 |
| 7137303 | Filter change indicator A fluid system pressure indicator is adapted for use in fluid systems having a filter element. The fluid system force indicator includes a housing partitioned to be exposed to the fluid system to provide transmission of a mechanical force between these partitioned e... | 11/21/2006 |
| 7134449 | Flow control valve with device for indicating the status of a fluid, particularly for gas containers A valve body is provided with at one end with a threaded shank for hermetic coupling to a gas container. The valve body is further provided with a handwheel incorporating a gas status indicator device. That device includes a spring-loaded plunger having a head and a... | 11/14/2006 |
| 7125084 | Environment protector-pressurized wheel hub A hub cap for a wheel hub having a cylindrical housing with a closed first end and an open second end adapted for attachment in an air-tight sealing arrangement to the outer end of a wheel hub to form a closed air system in the interior of the wheel hub. An air pres... | 10/24/2006 |
| 7077135 | Resuscitators, parts and assemblies A squeeze bag resuscitator has a flow diverter push fitted onto its exhaust outlet in any desired orientation. The diverter has a color change carbon dioxide indicator strip fixed to the inside surface of a transparent deflector plate. The indicator is protected fro... | 07/18/2006 |
| 7059194 | Pressure fault device The invention involves a pressure fault device for indicating a threshold pressure or a threshold differential pressure. The present invention provides a cost effective way to determine where a pressure problem has occurred. The device includes a housing having at l... | 06/13/2006 |
| 7051596 | Manual resuscitators with integral manometer A manometer integrated into a manual resuscitator includes a housing with a communication path, and a pressure gauge integrally forming part of the housing. A sensing chamber and an atmospheric chamber are separated by a diaphragm subject to distortion by differenti... | 05/30/2006 |
| 7047832 | Apparatus for measuring gas exchange A container having a port for holding a liquid medium and a reactant that interact to produce a change in gas levels within the container. A removable stopper for insertion into the port creating an airtight seal. A tube extending through the stopper into the contai... | 05/23/2006 |
| 7040152 | Pneumatic tire air pressure gauge assembly A compact air pressure gauge assembly mountable to the valve stem of a inflatable tire or mountable through the rim of a wheel for continuous monitoring of the tire inflation pressure. The air pressure gauge assembly has a compact design to extend the valve stem or ... | 05/09/2006 |
| 7013833 | Valve stem pressure poppet A valve stem pressure poppet incorporated into a tire valve cap for monitoring tire air pressure. The indicator assembly is screw attached by a connector onto an existing valve stem. The assembly includes a hollow outer tube for housing a slideably disposed indicato... | 03/21/2006 |
| 6978679 | Hydraulic pressure sensor A hydraulic pressure sensor for measuring the pressure in a hydraulic pressure chamber 1. A reservoir housing 9 is connected to the pressure chamber, and the interior of the housing is divided by a slideable partition 13 which defines a reservoi... | 12/27/2005 |
| 6968733 | Digital compression gauge There is provided a compression gauge assembly for diagnosing pressure variances of an engine cylinder(s). The gauge assembly comprises a gauge sensor in communication with the engine cylinder(s). The gauge sensor is operative to detect compression stroke pressures ... | 11/29/2005 |
| 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 |
| 6782753 | Thermodynamic pressure/temperature transducer health check A device and procedure for checking the health of a pressure transducer in situ is provided. The procedure includes measuring a fixed change in pressure above ambient pressure and a fixed change in pressure below ambient pressure. This is done by first sealing an en... | 08/31/2004 |
| 6701791 | Modular piston gauge method and apparatus A device for accurately measuring the pressure (Pg) of very highly pressurized gas includes a cylinder (16) having a cylindrical outer surface (16A) and a bore extending through the cylinder and an elongated piston (23) rotatable and vertically movable in... | 03/09/2004 |
| 6694819 | Pressure gauge with automatically operated pressure relief valve A pressure gauge having a pressure operated piston for measuring the difference in pressure between two pressure signals including an automatically operative pressure relief valve and a manually operable three-way valve to provide a venting function usefu... | 02/24/2004 |
| 6644124 | Vacuum and pressure test assembly A test assembly includes a valve and a piston received in a casing. The valve includes a main passage and a flexible seal film is mounted to an end of the valve. The seal film seals the main passage and has two apertures. A radial passage is defined throu... | 11/11/2003 |
| 6318407 | Pressure regulator with gauge A pressure regulator utilizing a gauge having rugged internal components. In one embodiment, the gauge has a low profile and is mounted to the regulator body. In another embodiment, the gauge is integral with the regulator body. In one preferred embodimen... | 11/20/2001 |
| 6224094 | Force sensor for seat occupant weight sensor A force sensor for sensing the weight of a vehicle seat occupant for a vehicle's occupant protection system has a pressure sensor responsive to hydraulic pressure resulting from axial force applied to the force sensor. A constant force spring in the form ... | 05/01/2001 |
| 6164139 | Pressure test gauge assembly The pressure test gauge assembly is a metal valve body interchangeably connected to one of a set of three transparent color coded gauge bodies, each gauge assembly being protected by a color coded transparent sheath when not in use.... | 12/26/2000 |
| 6050349 | Hydraulic system for mud pulse generation A hydraulic system for supplying hydraulic fluid for operating a mud pulse generator includes an accumulator that has a reservoir. The accumulator is arranged to maintain the fluid pressure in the reservoir. The system also has a pressure operated, one wa... | 04/18/2000 |
| 5983728 | Watch-type pressure gauge A pressure gauge has a base which is provided with a slot, and a sliding block located in the slot such that the sliding block is pushed to displace by a piston rod which is in turn pushed by the air pressure to be measured. The sliding block is provided ... | 11/16/1999 |
| 5965822 | Calibration feature for a pressure gauge The pressure gauge is designed for operative engagement with a fluid pressurized system such as a gas or a liquid. It includes a housing having a pressurized fluid inlet orifice and a cylindrical bore formed within the housing. A pressure reactive piston ... | 10/12/1999 |
