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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7861741 | Hydraulic flow control valve with flow rate setting adjustability A hydraulic flow control valve allowing easy adjustment of fluid flow for a variety of hydraulic attachments is disclosed. The hydraulic flow control valve comprises a spool and a flow rate setting adjustment device configured to adjust a flow rate setting of the hy... | 01/04/2011 |
| 7798170 | Field adjustable control valve assembly and field adjustment module A flow setting assembly is provided to permit field adjustment of an electronically actuated flow control valve, particularly a pressure independent characterized control valve (PICCV). In a preferred form, flow can be field adjusted by using a hex tool. Therefore, ... | 09/21/2010 |
| 7766037 | Adjustable shutoff valve A gas valve assembly includes a solenoid coil, a linearly actuated plunger, and a stop member. The plunger is disposed in the coil so that a gap exists between the plunger and the stop member at a deenergized condition of the solenoid. The assembly includes a valve ... | 08/03/2010 |
| 7533693 | Side-mounted position indicator for flapper check valve The present invention is a side-mounted position indicator for use with a flapper check valve. The indicator is located outside the valve body and attaches to an internal, cylindrically-shaped roller that allows limited rotation about one axis. This roller has a tri... | 05/19/2009 |
| 7347219 | Meter bar and metering system A meter bar and meter bar system are provided for directing a fluid. The meter bar includes a first portion, a second portion and a bypass path extending between the first and second portions. The first portion includes a first service port, a first meter port and a... | 03/25/2008 |
| 7328719 | Valve state sensing module A sensing module for a fluid valve utilizes a sensor body having a sensing chamber. An extension member is fixedly coupled to a main valve element, is slidable within the sensing chamber along a first axis, and has an inclined cam surface. A plunger has a cam follow... | 02/12/2008 |
| 7258765 | Vaporization chamber, and distillation system comprising same, providing improved temperature sensing of liquid contained in the chamber Vaporization chambers (distillation “pots”) are disclosed in which the liquid contained in such a pot is heated and circulated to establish thermal uniformity of the liquid and to route the circulated liquid past a thermally conductive member that contacts the l... | 08/21/2007 |
| 7222642 | Enhanced water valve tube stop A fluid valve assembly and method for assembling the same includes a valve body defining an inlet, an outlet and a fluid passage communicating fluid therebetween. A control member is positioned within the fluid passage and includes a central passage through which th... | 05/29/2007 |
| 7185672 | Valve travel indicator A valve travel indicator is described. An indicator portion indicates a location on a valve indicator scale. A retaining portion is fixedly coupled to the indicator portion and movably coupled to a valve stem. The retaining portion fixedly couples the indicator port... | 03/06/2007 |
| 7069948 | Valve travel indicator A valve travel indicator is described. An indicator portion indicates a location on a valve indicator scale. A retaining portion is fixedly coupled to the indicator portion and movably coupled to a valve stem. The retaining portion fixedly couples the indicator port... | 07/04/2006 |
| 6957667 | Multifunction tube joint A tube joint that can be used as a volume control valve, air sprayer or/and a T-tube. The multifunction tube joint mainly contains: an elongated body, a revolving valve, a stem, a branch, a piston valve rod, a button and a spring. The elongated body contains: a main... | 10/25/2005 |
| 6636155 | Gauge having adjustable activating means A mechanical gauge having a mechanism for setting multiple alarms within tolerance values. When such tolerance values defined by the mechanism are reached, the same mechanism activates an alarm.... | 10/21/2003 |
| 6540206 | Bidirectional ball valve particularly for ecological frigorific gases The present finding relates to a bidirectional ball valve usable particularly for ecological frigorific gases, which has a valve body housing a ball shutter connected to a control rod sealingly protruding from said valve body. The peculiarity of the findi... | 04/01/2003 |
| 6382247 | Dry sectional gate relief valve An intake relief valve comprises a bronze sectional gate positioned within the valve chamber adjacent to an outlet section of the valve. A quick attachment coupler of the valve connects the outlet section typically to a pumper fire truck, and a hose from ... | 05/07/2002 |
| 6237626 | Remote valve position indicator In liquid carrying cargo tanks of barges, with valves located inside the tanks at the bottom, valve position indicator assemblies are mounted at the valve operating shaft, above deck and fixed in position relative to the tank above the top of the tank. Ea... | 05/29/2001 |
| 6213149 | In-line diversion valve with flow-through capability An in-line diversion valve including a body and a plug assembled with the body. The body has an annular run extending axially from a first end opening configured to define a first port to a second end opening, and at least one annular branch extending rad... | 04/10/2001 |
| 6182691 | Motorcycle petcock cover assembly and method A petcock cover assembly including a petcock retainer fitted or attached to a petcock and a cover covering the petcock and attached to the petcock retainer to secure the petcock cover assembly to the petcock. The lever of the petcock is preferably capture... | 02/06/2001 |
| 6152173 | Position indicating check valve A device for visually indicating a position of a check valve disc within the check valve is provided. The indicating device has an exposed element extending outside of the valve body to provide a visual indication of a position of the valve disc, an engag... | 11/28/2000 |
| 6142867 | Indicating apparatus for a damper opening/closing apparatus of an air diffuser An opening/closing apparatus of a damper for adjusting a blowing amount of air out of an air diffuser comprises a case mounted at the center of the diffuser in a predetermined size and shape and having an indicating scale portion to be properly positioned... | 11/07/2000 |
| 6135147 | Integrated valve control and monitoring assembly A valve control and monitoring assembly is mounted substantially alongside the upwardly extending auxiliary shaft of a rotary valve actuator, rather than directly above the auxiliary shaft. This valve control and monitoring assembly includes a targeting d... | 10/24/2000 |
| 6052929 | Mnemonic marking system for fluid valves and the like A mnemonic temperature marking system for fluid valves, especially of the type used in bathing vessels such as bathtubs and showers. Any user can easily, quickly, and accurately set the valve so that water of the desired temperature will flow when the val... | 04/25/2000 |
| 6019129 | Valve position adjustable lock mechanism A valve position adjustable lock mechanism is secured to the handle which is connected to the stem of a valve element to control the position of the valve element and accordingly the size of the opening of the valve element. An indicator ring is secured t... | 02/01/2000 |
| 6009899 | Variable orifice dual gate valve A variable orifice dual gate valve having two opposed slidable valve gates in overlapping sliding contact relationship. Inner orifice edges of these plates coact to form a variable size orifice in the valve body upon simultaneously sliding of the valve ga... | 01/04/2000 |
| 5921277 | Air duct damper A damper device for use with an air duct provides a paddle positioned within the air duct and an axle extending to one side of the paddle, through the duct wall and insulation to a position for manual adjustment of the position of the paddle within the du... | 07/13/1999 |
| 5890515 | Flow control valve with a flow meter The height of the valve with a flow meter shall be as small as possible, enabling it to be mounted in restricted spaces. In order to achieve this, all adjusting and display movements are not executed axial but on the contrary polar. The rotating spindle o... | 04/06/1999 |
| 5826617 | Water sink system A water sink system comprises two knobs each turnable to adjust hot water and cold water correspondingly, and means for turning knobs to a predetermined angle so that a water from a mixing device connected with both the knobs flows with a desired temperat... | 10/27/1998 |
| 5706856 | Valve apparatus A choke valve having a valve body in which is a valve chamber with in inlet and an outlet. A valve seat is carried in the valve chamber. A flow control member is also carried in the valve chamber for axial movement with respect to the valve seat from a cl... | 01/13/1998 |
| 5538037 | Device to indicate operating state of a linear actuation valve A device 3 for indicating the operating state of a linear actuation valve (5) comprises a mounting plate (9) having a rectilinear slot (11) therein for slidably receiving a perpendicularly extending follower stem (6) fixed to a follower nut (4). The nut (... | 07/23/1996 |
| 5487408 | Water sink system A water sink system, comprising a water discharge member, two rotatable knobs for allowing hot water and cold water to flow into the water discharge member and meet there to produce discharged water with a desired temperature, a scale provided near each o... | 01/30/1996 |
| 5477879 | Control valves A regulating control valve used with automatic pool cleaners in swimming pools is disclosed. A cap serves as a closure for the opening in a relief chamber and has a relief port therethrough. On the underside of the cap and surrounding the port there is a ... | 12/26/1995 |
| 5456285 | Globe valve with a strainer A globe valve with a strainer. The globe valve with a strainer comprising a valve body having a valve box, a strainer body, the valve box and the strainer body extending upwardly and downwardly respectively at an angle of about 45° to the axis of the val... | 10/10/1995 |
| 5400819 | Measuring and regulating valve Measuring and regulating valve assembly which includes a butterfly valve and a measuring flange, the measuring flange being situated upstream of the butterfly valve, the distance between the valve and the measuring flange being at least 0.6× the nominal ... | 03/28/1995 |
| 5288052 | Self-draining sanitary control valve The self-draining sanitary control valve includes a body having an inlet and an outlet and a fluid control port forming a valve seat between the inlet and the outlet. A bonnet is detachably secured to the body having a stem receiving bore aligned on a com... | 02/22/1994 |
| 5218994 | Arrangement having a pneumatic control valve with a housing closed on all sides An arrangement having a pneumatic control valve having a pneumatic motor operator, a position controller having a pneumatic output and replaceable without deteriorating the function of the motor operator, a translationally moveable valve stem between moto... | 06/15/1993 |
| 5178185 | Suction inlet valve for fire truck pumpers A suction inlet pump, useful with pumper firetrucks, has a floating valve element which is normally biased closed by a spring. The motion of the floating valve is also positively determined by a cam engaging a shaft extending from the floating valve eleme... | 01/12/1993 |
| 5139048 | Direct powered gate valve An enclosed gate valve for handling dry particulate material has a rectangular housing, and a curved flow control blade moves through the housing adjacent a housing inlet. The flow control blade is moved by an air cylinder mounted on an inclined and later... | 08/18/1992 |
| 5076308 | Indicator for measuring amount of valve opening An indicator for measuring the amount of closure of a valve with a valve handle mounted adjacent a valve bearing housing. A pointer for the indicator being mounted between the valve handle and valve bearing housing. To show the amount the valve is open th... | 12/31/1991 |
| 5054516 | Automatic flow control valve An automatic flow control valve according to the instant invention maintains a constant flow rate despite varying fluid pressure, and employs a dual outer and inner cup construction through which a range of flow rates can be accommodated via a change in t... | 10/08/1991 |
| 4962787 | Fluid flow reversing and regulating ring A fluid powered mechanism has a housing with a generally cylindrical shape and circumferentially adjacent axially extending primary and secondary fluid passageways. Exhaust direction and rotary limit speed are controlled by a flow reversing and regulating... | 10/16/1990 |
| 4941504 | Manual fluid-control valve with limited closing pressure A manual fluid-control valve has a housing defining a chamber formed with a seat and with a fluid inlet and a fluid outlet opening into the chamber at opposite sides of the seat and a valve body in the housing having an end face and displaceable axially f... | 07/17/1990 |