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9010192 Manometer quick connect device for testing gas pressure of a household cooking appliance  
A manometer quick connect device is provided for pressure testing a gas outlet of a household cooking appliance. The manometer quick connect device include a body having a first end and a second...
8884770 Compact dryer exhaust duct and chimney manometer  
A cost effective manometer is realized for accurately measuring back pressure in all types of vents and ducts. Common back pressure can be caused by restrictions, such as lint or soot buildup. The...
7943101 Structure for reducing agent container  
A canopy is removably secured to the container body, is respectively fitted with: a base of a water level indicator for detecting a remaining amount of liquid reducing agent; a base of a...
7677106 Internal pressure sensor  
A pressure sensor for sensing changes in pressure in an enclosed vessel may include a first chamber having at least one expandable section therein that allows that first chamber to change in...
7618593 Reducing agent container having novel structure  
On an upper surface of a container body, there are disposed at least a base portion of a concentration meter configured to detect the concentration of a liquid reducing agent based on a heat...
7544328 Structure for reducing agent container  
A canopy is removably secured to the container body, is respectively fitted with: a base of a water level indicator for detecting a remaining amount of liquid reducing agent; a base of a...
7516670 Multi-channel manometer with independent fluid level adjustments  
A manometer for multi-channel pressure measurement is presented which includes two or more manometer channels, where each channel includes an independent fluid level adjustment. Also included is a...
7140256 Relative pressure sensor  
A pressure sensor for measuring a pressure difference between a pressure being measured and the ambient atmospheric pressure surrounding the pressure sensor, including a platform and a membrane...
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...
6843121 Measuring absolute static pressure at one or more positions along a microfluidic device  
A method of measuring absolute static pressure in a microfluidic device transporting a working fluid that is immiscible in a first selected gas environment, includes providing a first fluid...
6591696 Integral electric pressure probe for aircraft  
An electric pressure probe for an aircraft comprises: a pitot tube assembly for collecting pneumatically air pressure in the vicinity of the assembly; a strut including one end mountable to a...
6510741 Manometer having dual pressure sensors  
A manometer for measuring fluid pressure having a first pressure sensor and a second pressure sensor that is inverted with respect to the first pressure sensor. The first pressure sensor generates...
6487905 Method and apparatus for detecting molten metal level in container for melting metallic material  
Upward variations of a molten metal level in a container for melting metallic material shall be carried out by detecting variations of a liquid level inside a detector connected to a gas-pipeline,...
5895862 Manometer  
A dual-action disconnect valve mechanism for a double column manometer that simultaneously disconnects both tubes of the manometer from external pressure regions or sources, and a fluid...
5754609 Condensation vessel for the measurement of steam pressure, filling level and steam flow rate and method for operating a condensation vessel  
A condensation vessel for the measurement of steam pressure includes a steam zone, a steam line which opens in the steam zone at an entrance, a condensate zone which is directly adjacent the steam...
5609060 Multiple channel perfused manometry apparatus and a method of operation of such a device  
An apparatus for multiple channel perfused gastrointestinal manometry particularly useful for animals and small children which avoids errors in pressure measurement due to air bubbles,...
5098384 Pressure-compensated fluid administering apparatus  
Patient pressure monitoring systems require constant monitoring and adjustment by patient care specialists because of erroneous indications of changes in blood pressure readings which occur is...
4779464 Manometer  
A dual cistern manometer having a vertically extending manometer assembly is designed to reduce the temperature gradient along a vertical axis. The assembly is housed in a cylindrical chamber that...
4685908 Device for detecting increased pressure in pleural cavity  
A prebubble detector is provided for an underwater drainage apparatus. A series of sensors and detectors are disposed along the small arm of the underwater seal in a drainage device and means is...
4685328 Capillary viscometer  
A capillary viscometer in which the liquid meniscus is detected by sensing electrical resistance changes in hermetically sealed electrical resistors which are spaced apart at the two levels in the...
4683756 Low cost manometer  
A portable inexpensive manometer is realized by forming a housing assembly of two pivotable panels. The probe and a major portion of the tube are stored within the interior of the housing until...
4537079 Multi-pressure manometer  
A relatively simple and compact apparatus is described for producing and/or monitoring a plurality of reference pressures wherein all the pressures must be precise and, especially, precisely...
4535634 Manometer  
Manometer apparatus includes an elongated rigid channel-like frame for protectively enclosing a manometer tube. The frame is formed with a plurality of internal longitudinal slides for supporting...
4455876 Precision manometer gauge  
A precision manometer gauge which locates a zero height and a measured height of liquid using an open tube in communication with a reservoir adapted to receive the pressure to be measured. The...
4454759 Fuel gauge for locomotives  
A fuel gauge for locomotives comprises a block adapted for attachment to the locomotive fuel tank near the bottom thereof, preferably by connection with a tank drain plug. First and second...
4416157 Inclined manometer  
An inclined manometer particularly adapted for gauging the draft of a stove flue pipe is provided. The manometer is comprised of a pair of opposed open-ended legs mounted on a mounting plate. The...
4404855 High sensitive micromanometer  
An instrument wherein the downwards or upwards displacement of menisci under the action of a pressure differential in a U-tube arrangement is magnified by a factor of 104 or more. This measurement...
4386524 Manometer type apparatus with improvement  
A manometer type instrument with an open leg above an indicator fluid. It is subject to immersion in a body of liquid, the change in level of which is to be measured. It includes an improvement...
4380173 Roll-up type U-tube manometer  
A roll-up type U-tube manometer of the type disclosed in Dwyer U.S. Pat. No. 2,662,409, in which the manometer tubes are defined by a flexible elongate body that may be as long as ten feet or any...
4299116 Methods involving differential pressure determinations  
A method for measuring the density of a vapor includes continuously introducing the vapor into the inlet of a vertical zone at a rate sufficient to maintain the zone completely filled with the...
4297889 Roll-up type U-tube manometer  
A roll-up type U-tube manometer of the type disclosed in Dwyer U.S. Pat. No. 2,662,409, in which the manometer tubes are defined by a flexible elongate body formed from a transparent flexible...
4228689 Pressure relief manometer  
An apparatus for measuring pressure having a reservoir at its base contaig a measuring fluid. Mounted on the reservoir is a uniquely constructed manometer and a side arm with a stopcock to contain...
4157043 Maximum pressure manometer  
A manometer for recording maximum pressures from a liquid supply comprising, a closed air chamber, an elongated channel communicating with the supply adjacent a lower end of the channel and...
4156570 Apparatus and method for measuring white blood cell and platelet concentrations in blood  
An apparatus and method for measuring the linear extent and hence the concentration of several constituent blood cell types which are contained in the buffy coat of a centrifuged sample of...
4112948 Surgical drainage system with pressure indicator and enclosed source of liquid  
A surgical drainage system is provided for the drainage of fluid from a body cavity which comprises a collection chamber, a U-tube manometer having one arm in fluid communication with the inlet to...
4095476 Single scale U-type manometer  
A U-type manometer particularly designed for use in measuring the height of iquids of different densities held in containers which features a calibrated measuring tube, a reservoir of manometric...
4072053 Apparatus for indicating liquid level in a receptacle  
An indicating apparatus for enabling a motor car driver to read the crankcase oil level by depressing a diaphragm forming part of an indicating unit. The diaphragm then opens and closes...
4026156 Vertical displacement measuring apparatus  
Apparatus for measuring the vertical displacement between a remote point and a reference point. The apparatus comprises a pair of reservoirs, each having a liquid working fluid disposed therein, a...
4001678 Displacement metering with independent ancillary flow  
Displacement metering with two independently metered fluid flows comprises displacing fluid in laminar filament flow from a first chamber through a second chamber into a third chamber, the...
3977253 Pool filter pressure gauge  
A gauge for a pool filter in which the gauge includes a housing mounted on top of the filter, the housing having an interior chamber which is fluid connected at the bottom to the upper interior of...
3926057 Spiral manometer  
A new apparatus for measuring fluid (liquid and gas) pressure is disclosed. Specifically, this apparatus consists of a uniquely constructed manometer wherein the inclined leg member comprises a...
3921454 Multi-indicating vacuum gauge  
The present invention provides an improved, multi-indicating vacuum gauge for synchronizing the output of all four carburetors of a four cylinder motorcycle. The vacuum gauge of this invention is...
3913397 Static wind speed and direction indicator  
Four wind sampling cups arrayed to the compass points are connected respectively to the tops of manometer tubes. The four tubes are supplied fluid at a bottom end by two pairs of chambers, the...
3838601 MANOMETER SYSTEM FOR MONITORING PRESSURE IN A PARTICLE STUDY DEVICE  
The manometer system includes a glass tubing having a U-shaped segment therein forming a manometer. One end of the tubing is connected to a vacuum line or a pressure line and the other end of the...
3831448 MANOMETER AND PITOT TUBE PROBE  
A manometer for measuring the velocity pressure of a fluid at selected positions along the length and cross section of a conduit or system of conduits carrying the fluid. The manometer comprises...
3802265 APPARATUS FOR USE IN MEASURING THE FLOW VELOCITY OF FLUID WITHIN A CONDUIT  
Apparatus for use in measuring the flow velocity of fluid within a conduit is provided. Differential pressure of the fluid is measured by a differential pressure measuring means responsive to...
3730168 MANOMETER  
A manometer for measuring liquid pressure having a channel which opens into an attaching device for connecting the channel to liquid under pressure, said attaching device including a conduit which...
3726142 ELECTRONIC HOOK GAUGE MANOMETER  
A hook gauge manometer provided with a micrometer mounted probe incorporated in an electrical circuit in which a pen light cell provides a direct current power source, with the direct current from...
3645138 METER FOR MEASURING THE FLOW OF GAS  
A mercury trap apparatus used in connection with a differential pressure meter comprising a plurality of mercury trap receptacles, each of the mercury trap receptacles having a pipe with a...
3541858 U-TUBE MANOMETER WITH SHIPPING SEAL  
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