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Class 137/552 - Plural


Subclass of Class 137 - Fluid handling
Definition: Apparatus comprising more than one indicator, register,
No. of patents: 155
Last issue date: 02/08/2011


      4  
NumberTitleIssue Date
5148829Multi-orifice plate and fitting with positioner and differential selector
A multi-orifice plate for use in a modified orifice fitting and a differential pressure-operated, mechanical valve and piston system for vertically adjusting the multi-orifice plate to facilitate recordation of various line pressures on an appropriate rec...
09/22/1992
5148824Mixing faucet having remote temperature control
An electro-mechanical mixing faucet for proportionally mixing hot and cold water in accordance with a user-selected mix ratio. A user-adjustable temperature selector produces a mix signal which adjusts hot and cold water valves to permit flow in amounts w...
09/22/1992
5131350Electrostatic powder coating device
Contained in the feed gas line (4) and in the dosing gas line (24) of an injector (2) is a pressure setting instrument (6, 26) each which is adjustable with regard to its outlet pressure. A gas flow instrument (46) displays the entire amount of feed air a...
07/21/1992
5095941Method and apparatus for actuating a faucet
This device is an automatic faucet with three temperature settings activated by a pressure switch which is mounted on or near the floor by the user's foot. The invention includes a device which will, after a period of time, automatically turn the water of...
03/17/1992
5056558Dunnage airbag pressure controller
Apparatus is provided for controlling the pressure of gas in a plurality of dunnage bags. The apparatus employs an enclosure which houses a pressure regulator valve, linear air reset controller, pressure gauge, pneumatically activated electrical switch, a...
10/15/1991
4967792Sensing the open and/or closed condition of valves
A valve is disclosed which includes a first magnetic sensing means (71) and a closely positioned second magnetic sensing means (73). A valve shaft carries magnetic material (91) which is moved as the valve is opened or closed. The first magnetic sensing m...
11/06/1990
4951697Rupture disk failure indicating apparatus
The present invention provides apparatus for visually indicating the failure of a rupture disc comprised of an elongated hollow body member, a piston disposed in the body member which is moved therein by pressurized fluid pressure exerted thereon, and an ...
08/28/1990
4925152Air trap for shutting off flexible plastic tubing
This invention relates to an air trap for shutting off flexible plastic tubing, particularly infusion tubing, for instance, during a transfusion of blood the air trap will reliably shut off the supply of blood when air bubbles are contained in the liquid ...
05/15/1990
4848399First out pneumatic indicator valve
The apparatus of the present invention relates to a first out indicator valve having a main body portion, with a flow bore longitudinally through the body; an inlet port, an exhaust port through the walls of the body and fluid communication with the longi...
07/18/1989
4760864Devices forming parts of regulatory systems for providing an output in the form of rectilinear motion with an input of both rotary and rectilinear motion
A device for transmitting simultaneously to two parallel rods a motion with a single degree of freedom as a longitudinal translational motion from a sleeve surrounding the rods and which is itself subject to first and second degrees of freedom, a translat...
08/02/1988
4759224Torque measuring system for motor operated valve operators
An apparatus and method for isolating certain rotating components within the operator and valve systems and artificially loading those rotating shafts to create and measure torque developed within the valve operator system; and for using the torque measur...
07/26/1988
4740140Pump having integral switch and bypass valve
To provide a filter bypass and indicator, in a pump having an inlet and an outlet with a filter therein, a bypass port is in communication with the outlet upstream of the filter. A bypass valve assembly is provided in the bypass port and is normally in a ...
04/26/1988
4739790Valve system
A valve system comprising a housing, a main inlet to the housing for pressurized fluid communicating with an outlet from the housing, an auxiliary inlet to the housing for pressurized fluid communicating with the outlet, valve means in the housing movable...
04/26/1988
4735101Motor operated valve analysis and testing system with monitoring of spring pack movement through torque switch post
A unique apparatus and method are used to detect and measure movement of a valve spring pack and worm through monitoring rotation of the torque switch control post. A device for measuring the operating characteristics of a valve and its operator and the c...
04/05/1988
4700885Mixing valve for plumbing
The improvement of a mixing valve for plumbing in which three ceramic valve discs with appropriate control ducts are positioned parallel to one another in reciprocally watertight manner, in a housing with one hot water and one cold water inlet and one out...
10/20/1987
4696325Sensing of fire installation water valves being closed
An improved water supply valve for a fire installation where water is to be supplied through the valve in the event of fire. The valve includes a sensor external of the valve chamber which can magnetically sense the gate of the valve being closed and bein...
09/29/1987
4660600First out indicator
A control device for determining what one, in a system of monitored functions, first became inoperative....
04/28/1987
4642614Fluid flow monitoring system
A system for monitoring flow of lubricant in a line in a lubrication system wherein, in normal operation, lubricant is intermittently delivered through the line, the system comprising a thermistor in the line adopted to be cooled by lubricant flowing in t...
02/10/1987
4570677Unitary multiple control valve assembly
Control valves for a plurality of outlets supplied from a single fluid source are combined in a single manifold. Each outlet conduit is selectively connected to an inlet conduit by an independently actuatable source valve. Each outlet conduit is also prov...
02/18/1986
4542649Motor operated valve analysis and testing system
A means of measuring the operating characteristics of a valve and its operator (16) and the corresponding imposed valve stem load is attached to the valve operator. The device provides a means of statically calibrating the operator relative to the imposed...
09/24/1985
4518008Quarter turn valve including supervisory switch assembly
The supervisory switch assembly includes an inverted dish-like housing which is mounted directly on the body of a quarter-turn valve, such as a butterfly valve, and encloses the outer end portion of a rotatable valve stem carrying a valve member. One or m...
05/21/1985
4406303Gate valve with position indicator
The invention relates to a gate valve (10) having both visual and electrical position indicating means for signalling when the valve is in the fully open and fully closed conditions. A position indicator housing (50) on the valve body (11) receives and ac...
09/27/1983
4294277Flow control apparatus
A system for injecting foam insulation into a wall cavity or the like that includes a flow control section having a detecting means for automatically inhibiting the control section when the gun is placed in an inoperative or off condition....
10/13/1981
4246933Exhaust-indicator
A valve device adapted to be fitted to an exhaust opening, said device comprising an apertured housing accomodating a slidable valve body. On exhaust pressure exerting sufficient force against said valve body, the exhaust fluid may exit through said apert...
01/27/1981
4237925Anesthesia apparatus
An anesthesia apparatus which comprises at least two flow meters, an oxygen gas supply means for supplying oxygen gas to one of said flow meters, a nitrous oxide gas supply means for supplying nitrous oxide gas to another one of said flow meters, at least...
12/09/1980
4204612System for applying foam insulation
A system for applying a foam insulation material which automatically compensates for changes in temperature and flow rates so that an optimum blending of materials can be maintained to provide for the production of high quality insulation....
05/27/1980
4174733Process gas flow control module
A module which integrates into a single block a process gas flow control system for precisely metering the flow of gas fed into a furnace diffusion tube or other utilization device. The block is formed of a chemically-inert body having cavities therein fo...
11/20/1979
4156432Delay circuit
A delay circuit includes a switching element for operatively switching between a first position and a second position. The switching element connects an input voltage to an electrically-operated device in the first position. A delay element is operatively...
05/29/1979
4143616Process machinery control system and individual safety control systems therefor or the like
A selectively changeable pneumatic control system for monitoring the start-up and running of process machinery, the system having a pneumatically operated indicator, a pneumatically operated arrangement for operating the indicator and a selector for setti...
03/13/1979
4135549Swimming pool fluid distribution system
A main fluid pipe within a box-like housing has four auxiliary pipes connected thereto. Each auxiliary pipe extends to the outside of the housing. The first auxiliary pipe is connected to the drain of a swimming pool; the second is connected to the swimmi...
01/23/1979
4121615Valve control with indicator
Device for controlling of the opening and closing of a valve, including an automatic lockout requiring a manual reset, and further having an indicator for indicating the position of said valve....
10/24/1978
4112962Integrated pneumatic logic module
A pneumatic logic control module is disclosed which includes three miniaturized, piloted, detented relay valves mounted on a pneumatic circuit board including a valve mounting plate, a circuit plate having routed flow paths formed in each face, and a conn...
09/12/1978
4101262Pressure regulator for gas lighter
A pressure regulator for a gas lighter which comprises, in a well of the lighter body, a porous membrane of constant natural porosity separating two chambers from one another to set the maximum flame height. A downstream chamber is connected to the burner...
07/18/1978
4027692System allowing the realization of logic circuits by juxtaposition of pneumatic elements
Pneumatic logic system. The logic chain is established by juxtaposition of logic modules each of them being provided with a selecting organ having at least two positions allowing to modify the circuit diagram. Advantageous system for the sequential control of ...
06/07/1977
3974856Distributor panel or board for compressed air monitoring systems
A distributor board or panel for compressed air monitoring systems including an integral die-cast distributor housing and a plurality of flow detectors. The housing has a longitudinal opening and surrounding structure to which the flow detectors are mount...
08/17/1976
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