Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7490811 | Diaphragm valve for compressed or liquefied gases A diaphragm valve for compressed or liquefied gases, comprising a valve body which forms an inlet which can be associated with a pressurized gas cylinder and forms a gas outlet port. A closure port is provided between the inlet and the outlet port, and a gasket acts... | 02/17/2009 |
| 7418976 | Method and apparatus for pneumatic regulation including a high-pressure reserve An apparatus, according to various aspects of the present invention, adjusts fluid pressure. The apparatus includes a body, a seal seat, a sphere, and an adjustment rod. The body includes an axis and an adjustment passage. The adjustment passage is positioned angula... | 09/02/2008 |
| 7367358 | Medical fluid delivery system and method relating to the same A medical fluid delivery system for the use in the delivery of medical fluids. The medical fluid delivery system may include a pumping system, a disposable medical fluid line set and a valve operating system. The disposable tubing line set may include valves adapted... | 05/06/2008 |
| 7325781 | Automatic bathroom flushers with modular design A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 02/05/2008 |
| 7310986 | Method for producing a compensation collar for an injection valve The positioning of the actuating drive in a fuel injector with a piezoactor (2) that is screwed into the housing (1) of the fuel injector is performed by applying a voltage (U) to the piezoactor (2) that corresponds to a given idle stroke (h), a... | 12/25/2007 |
| 7303180 | Valve actuator with split thrust bearing A valve actuator includes a body having at least a first side and an interior. A rotatable, threaded drive screw extends into the body and projects out of the body first and second sides. The drive screw comprises an insertion portion and a distal end portion. A tra... | 12/04/2007 |
| 7300035 | Valve, actuator and control system therefor A valve actuator comprising a lower housing comprising a mounting spool that is operable to couple to a valve body. A rotating sleeve is disposed within the lower housing and coupled to a stem connector. A fixed sleeve in disposed within the lower housing and includ... | 11/27/2007 |
| 7287739 | Fast closing well choke A well choke has a quick closure device quickly moving the choke element to a closed position. The closure device mounts between an actuator and a choke. The actuator has a stepper motor and gear train for incrementally moving an actuator rod and a choke element lin... | 10/30/2007 |
| 7278446 | Mixing faucet A mixing faucet includes a body part (2), where a rotatable swivel tap (4) is mounted on said body part, and where a rotatable valve spindle (6) is mounted in said body part for an adjustment of the feeding of cold and hot water, respectively. T... | 10/09/2007 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7270142 | Inflation device with automatic disconnect An apparatus that injects fluid into an inflatable device, dynamically monitors the pressure inside the device, and automatically terminates the inflation and disconnects from the inflatable device when the pressure inside the device reaches a predetermined value pr... | 09/18/2007 |
| 7226433 | Thrombectomy catheter device having a self-sealing hemostasis valve A thrombectomy catheter device having an improved hemostasis valve which is self-sealing and which functions as a one-way valve. The self-sealing hemostasis valve can be factory preset to automatically seal with or without the inclusion of a guidewire at a certain d... | 06/05/2007 |
| 7188822 | Enclosures for automatic bathroom flushers A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 03/13/2007 |
| 7168683 | Oil drain valve A drain valve to be used with numerous drain applications, such as draining fluid from an engine, includes in an exemplary embodiment a valve body, an o-ring and a cap. In another exemplary embodiment, the drain valve includes a valve body, an o-ring, a cap retainer... | 01/30/2007 |
| 7156363 | Bathroom flushers with novel sensors and controllers A bathroom flusher (10) includes a body having an inlet (12) in communication with a supply line and an outlet (16) in communication with a flush conduit, a valve assembly in the body positioned to close water flow between the inlet and the outl... | 01/02/2007 |
| 7156371 | Device for opening or closing an opening, in particular a bottom opening of a material bunker for a blast furnace A device for closing or opening an opening, in particular a filling or bottom opening (11) of a material bunker (12) arranged above the furnace throat of a blast furnace, including a tilting disk (10) connectable to a drive. The tilting disk ( | 01/02/2007 |
| 7134697 | 360° rotatable inlet screw assembly for a pneumatic tool A 360° rotatable inlet screw assembly for a pneumatic tool includes a fixing base, an inlet screw and a C-shaped retainer. The fixing base is fixed in an inlet hole of the pneumatic tool and axially formed with a through hole. A first end of the inlet screw is form... | 11/14/2006 |
| 7100892 | Non-rubbing gate valve for semiconductor fabrication apparatus A gate valve includes a valve main body having a gate valve body attached to a valve rod; a movement operation mechanism that moves the valve rod in a direction along an axis of the rod up to a position where the gate valve body stops up a flow passage port used for... | 09/05/2006 |
| 7086639 | Low energy consumption electric control device for flushing system An electric control device (10) for a flushing system, of the type that includes an axial valve (18) whose shutter (22) is controlled by an axial rod (24) that is capable of being moved radially by a finger (26) actuated by an elec... | 08/08/2006 |
| 7086636 | Gaseous fluid metering valve The present invention is directed to an exhaust gas recirculation valve incorporating a DC motor and a dual poppet valve assembly. A motor is contained inside of the actuator housing. The motor has a rotatable motor shaft with a first gear connected to the end of th... | 08/08/2006 |
| 7082627 | Emergency shower system An emergency shower system for attachment to a water pipe located behind a wall and a valve mounted to the pipe. The system includes a frame mounted to the wall around the valve, a panel connected to the frame for covering an opening in the wall to expose the valve,... | 08/01/2006 |
| 7069941 | Electronic faucets for long-term operation An electronic faucet (10) mounted on a countertop (12) includes a housing, at least one fluid inlet line (24a, 24b) extending into the housing, a fluid outlet (46) from the housing, a solenoid (142, 143) for op... | 07/04/2006 |
| 7059581 | Valve and a gas burner A valve for supplying fuel gas to a fuel gas appliance comprises a valve housing which defines a valve chamber within which a main carrier member is axially moveable. The main carrier carries a primary and a secondary valving member for co-operating respectively wit... | 06/13/2006 |
| 7051757 | Flow system with high resolution proportional valve with customizable performance A flow system includes a proportional valve constructed of chemically inert materials (PTFE) to produce variable fluid flow rates of liquids including inert, and high purity, and even highly corrosive liquids. Gases of many varieties can also be flow controlled. The... | 05/30/2006 |
| 7044444 | Actuator element with position detection An actuator element suitable, for example, for actuating a rotatable disk or a flap valve shaft. The actuator includes a housing, a drive situated in the housing, and at least one position detector, in which a movably mounted piston rod in the housing is operatively... | 05/16/2006 |
| 7036790 | Vacuum pressure regulating valve An annular valve seat is formed in a connecting path connecting a first main port and a second main port, a circular flow path wall having a diameter greater than a seat diameter is formed around the valve seat so as to surround the valve seat, a circular outer peri... | 05/02/2006 |
| 7032881 | Switch mechanism for a pneumatic tool A switch mechanism for a pneumatic tool comprises a choke ring having an air hole disposed in an air passage of the pneumatic tool; A control rod is swayably inserted through the air hole with a first end of corresponds to a trigger of the pneumatic tool; A choke me... | 04/25/2006 |
| 7021602 | Valve, actuator and control system therefor A hydraulic control system for a valve actuator comprising a first control valve that regulates fluid communication from a fluid pressure source to a first fluid supply tank that is fluidly connected to the valve actuator. A second control valve regulates fluid comm... | 04/04/2006 |
| 7014557 | Outlet device for the interior of a vehicle The air outlet device (10) for the interior of a vehicle, particularly for being arranged above a seat of a vehicle such as, e.g., an airplane, a bus or the like, is provided with an air outlet element (38) comprising at least one air inlet opening ( | 03/21/2006 |
| 7007922 | Rotating regulating device The invention relates to a rotating regulating device, especially for a valve comprising a pivotable or rotatable valve body. Said device comprises at least one actuating device for rotating a regulating element which can be connected to the valve body in a moveable... | 03/07/2006 |
| 6955592 | Air outlet device for vehicles, in particular airplanes, and method for assembling such an air outlet device An air outlet device (1) for vehicles, in particular airplanes, comprises a panel (2) with at least one receiving opening, an air outlet (3) arranged in the receiving opening, and a sealing means (6) sealing the air outlet (3) and ... | 10/18/2005 |
| 6951196 | Reciprocating engine with rocker valve gear The reciprocating engine comprises a rocker valve gear, pistons which are fastened to a connecting rod and connected by crankshaft journals to a crankshaft, a balancer, and a camshaft which is driven by the crankshaft and in turn actuates rockers, the mentioned elem... | 10/04/2005 |
| 6948697 | Apparatus and method for controlling fluid flow An actuator base, bobbin, and pole piece form a pocket for an armature that a flexible membrane encloses to form an armature chamber filled with an incompressible fluid. The membrane protects the armature from exposure to corrosive fluids flowing in a conduit. Condu... | 09/27/2005 |
| 6722387 | Side mounted valve operator A valve operator is provided having a rotatable spindle extending along an axis. The rotatable spindle is rotatable about the axis. The rotatable spindle is additionally pivotable about a first pivot point. A pivotable linkage operably couples with the spindle. The ... | 04/20/2004 |
| 6607178 | Thrust device, fuel injection valve having such a device, and method for manufacturing a thrust transfer element A device for transferring a thrust, a fuel injection valve with such a device, and a method for manufacturing such a thrust transferring device. To transfer the thrust of an actuator, especially in an injection valve, mechanical tappets are used, which ha... | 08/19/2003 |
| 6494434 | Butterfly valve A butterfly valve comprises a valve housing with a valve opening and a valve seat, this valve housing enclosing a vacuum area of the valve; a valve plate which is mounted at a valve rod guided through the valve housing and which is pressed against the val... | 12/17/2002 |
| 6416032 | Expansion valve of an air conditioning system in an automobile The present invention discloses an expansion valve of an air conditioning system for an automobile which does not employ a conventional method that opens and shuts in response to a motion of a pin and ball and can control a flow of a refrigerant and contr... | 07/09/2002 |
| 6296016 | Double obturator valve A valve, for example a tapered plug valve, having two obturators each rotatable between open and closed positions. The angle between the rotational axes is at least about 90° and may be 180°. The handles used to rotate the obturators are preferably on t... | 10/02/2001 |
| 6186474 | Injection valve with a compensating surface A compensating element is disposed between a piezoelectric actuator and one or more transmission elements. The compensating element has a curved surface that bears against the piezoelectric actuator. The compensating element compensates for both a tilting... | 02/13/2001 |
| 6135416 | Butterfly valve A butterfly valve includes a valve housing having a fluid conduit, a seal plate assembly including a seal plate, and a closure assembly. The closure assembly includes a main shaft mounted in the valve housing and rotatable about a longitudinal axis betwee... | 10/24/2000 |
