Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8082942 | Oil pipe connector The present invention discloses an oil pipe connector including a connector cylinder (abbr. cylinder), and having an oil inlet at front and an oil outlet at rear end of the cylinder; a switch base with a pivot hole interconnected with the interior of the cylinder; a... | 12/27/2011 |
| 7775233 | Choke or inline valve Disclosed herein is an inline valve. The inline valve includes, a housing, a choke member in operable communication with the housing, a portion of the choke member being substantially immobile relative to the housing and a portion of the choke member being mobile re... | 08/17/2010 |
| 7762274 | Hydrant valve pilot with detachable actuator A pilot valve actuator for use with a hydrant valve has a pilot valve and a removable actuator. The pilot valve blocks communication between a primary hydrant chamber and a piston chamber when in a closed position. Under pressure, the actuator opens the pilot valve ... | 07/27/2010 |
| 7543600 | Arrangement for mixing a first and second gas flow with downstream control A system for mixing a first gas flow and a second gas flow includes a conduit defined by a wall for communicating the first gas flow therethrough, an inlet passing through the wall of the conduit for introducing the second gas flow into the conduit, and a valve body... | 06/09/2009 |
| 7493912 | Fixed cone sleeve valve having cone supported by means downstream of the gate in its closed position A sleeve valve comprising a conduit, a gate, and a shut-off member. The conduit and the shut-off member are fixed in position relative to each other. The gate is movable relative to the shut-off member between opened and closed positions. The gate engages the shut-o... | 02/24/2009 |
| 7353837 | Pressure reducer with adjustable flow restrictor A pressure reducer has a housing comprising an inlet and an outlet in which a flow-around body is arranged in a flow channel connecting inlet and outlet. A flow restrictor is adjustably mounted relative to the flow-around body for varying a flow rate and is movably ... | 04/08/2008 |
| 7305891 | Detectable indicator A detectable indicator (10) formed on a body (18), the indicator (10) comprising a deformable element (12), a safeguard (14) at least partially surrounding the deformable element (12) and an area (16) in the safeguard... | 12/11/2007 |
| 7232152 | Method of bringing to readiness an inflatable airbag of safety device, safety device for a vehicle, valve device A method of bringing to readiness an inflatable airbag of a safety device is characterized in the interruption of the gas flow through the inlet of the airbag at a specified time instant. The interruption of the gas flow through the inlet of the airbag alternates wi... | 06/19/2007 |
| 7204520 | Device for joining components made of fusible plastic A device for connecting components (1, 2, 3) made of fusible plastic, especially pipes (12, 60) of a fuel pipeline or a fuel line to a fuel tank (8) of a vehicle. The device includes a heating element (4) having ends (44, 46) which... | 04/17/2007 |
| 7128059 | Air induction system and evaporative emissions control device A device comprising an air intake duct and at least one passive one-way air intake valve disposed in the air intake duct. There is also an actuator coupled to the one-way valve for biasing the one-way valve in a closed position. During operation, the one-way air int... | 10/31/2006 |
| 7097120 | Hose nozzle apparatus and method A device and method are provided for regulating two types of flow from a nozzle. The first flow is a deluge stream and the second flow is a fog spray. The deluge stream is controlled by the nozzle operator using a first flow control valve, such as a ball valve. The ... | 08/29/2006 |
| 7077158 | Velocity head compensated valve assembly A valve assembly includes a valve body configured to define a chamber forming a primary flowpath between an inlet port and a discharge port, an isolator disposed inside said chamber, and a poppet having a bore. The isolator is defined by a skirt and a stem, with the... | 07/18/2006 |
| 7066447 | Sleeve valve with adjustable flow characteristics A sleeve valve has a valve body and a flow passage through the valve body. The flow passage has a longitudinal axis, a valve plug positioned therein, and a slidable sleeve received therein. The sleeve is movable in an axial direction between an opened and a closed p... | 06/27/2006 |
| 7055542 | Valve with integrated actuator This invention relates to a flap valve with a shutter and a pneumatic actuator that is integrated into the valve, said actuator comprising a metal bellow interdependent with the shutter, wherein said bellow is directly welded onto an intermediate flange downstream f... | 06/06/2006 |
| 7048001 | Pressure regulator with single strut regulator seat A fluid pressure regulator comprising a tubular housing having a fluid inlet at one end thereof and a fluid outlet at an opposite end and a fluid passage therebetween; a tubular plunger mounted for reciprocal movement in the fluid passage, the plunger having a flow ... | 05/23/2006 |
| 7036529 | Arrangement for mixing a first and a second gas flow An arrangement for mixing a first and a second gas flow, for example, an inlet flow with a exhaust gas return flow in a diesel engine, comprising a line (16) for the first flow, an inlet (7) for the second flow in the line (16), in order to achi... | 05/02/2006 |
| 7025088 | Providing an indication of the position of a valve member A method of providing an indication of the position of a valve member of a valve in a fluid path where the valve member is moveable between a fully open position in which a maximum flow of fluid past the valve member is permitted and a closed position in which fluid... | 04/11/2006 |
| 6994311 | Regulating vacuum valve A regulating vacuum valve comprises a valve body with a through-channel a closure member which is adjustable over a control path between a closed position of the regulating vacuum valve in which it contacts a valve seat and closes the through-channel and an open pos... | 02/07/2006 |
| 6951331 | Sleeve valve for controlling fluid flow between a hydrocarbon reservoir and tubing in a well and method for the assembly of a sleeve valve A sleeve valve for fluid flow between a hydrocarbon reservoir and a well includes a first sleeve and a second sleeve which are relatively movable between a first position in which at least one opening in the first sleeve is aligned or misaligned with at least one op... | 10/04/2005 |
| 6892997 | Method and valve for reducing valve opening and closing time durations A process reducing the side opening and closing time of a valve. The process uses a valve for mounting in an intake port of a reciprocating engine upstream from a charge changing valve, which valve contains a valve element operating in conjunction with the inner wal... | 05/17/2005 |
| 6782912 | Throttle assembly for a flowing medium In a throttle assembly for a flowing medium having an inlet and outlet and having two throttle devices disposed between them coaxially to one another, which each have at least one flow window for the passage of a flow of the medium flowing from the inlet to the outl... | 08/31/2004 |
| 6772783 | Rotary to linear valve and method of use A valve is disclosed that is operable by converting rotational force of a stem into linear motion of a valve closure element, such as a sleeve, to control fluid flow through the valve. In a presently preferred embodiment, at least two interconnection members are rot... | 08/10/2004 |
| 6742539 | Co-axial control valve A flow control valve has a housing having a fluid inlet at one fitting end and fluid outlet at another fitting end, and a control body supported within the housing by support structure bridging between the control body and the housing such that for flow of fluid thr... | 06/01/2004 |
| 6684895 | Fluid control valve apparatus and method An improved fluid control valve includes a valve body with an inlet and an outlet. A sealing member is connected to the valve body conformed to seal the inlet and form a pressure chamber. A push rod is connected to the sealing member and a sleeve is provi... | 02/03/2004 |
| 6681792 | Reduced-length sleeve valve A multiple opening sleeve valve is provided with a gate movable to control flow or pressure without the need for axial movement of a component through a pressure-containing seal. A gate actuator can include a drive rod and nut coupled to a gate substantia... | 01/27/2004 |
| 6612328 | In-line valve A flow control valve is made from a one-piece housing which defines a substantially linear flow path. The housing comprises deformable portions coupled to a valve seat and a poppet to allow relative motion therebetween for opening and closing the valve. T... | 09/02/2003 |
| 6571780 | Air induction system having inlet valve An air induction system (10) for use with an internal combustion engine (E) including an intake is disclosed. The system (10) includes a supercharger (12) and a valve assembly. The valve assembly comprises a valve (14) and a valve control mechanism (16). ... | 06/03/2003 |
| 6474318 | Air induction system having inlet valve An air induction system (10) for use with an internal combustion engine (E) including an intake is disclosed. The system (10) includes a supercharger (12) and a valve assembly. The valve assembly comprises a valve (14) and a valve control mechanism (16). ... | 11/05/2002 |
| 6453932 | In-line valve A flow control valve is made from a one-piece housing which defines a substantially linear flow path. The housing comprises deformable portions coupled to a valve seat and a poppet to allow relative motion therebetween for opening and closing the valve. T... | 09/24/2002 |
| 6446657 | Aircraft air control valve apparatus Aircraft air control valve apparatus for controlling the flow of pressurized aircraft engine bleed air. The control valve apparatus includes a hollow housing with two end portions with each end portion having an aperture located therein with one end porti... | 09/10/2002 |
| 6321774 | Control valve for cryogenic use A motor-driven control valve for cryogenically liquified rocket propellant comprises a valve casing with a co-axial inlet port and outlet port, a slidable regulating sleeve, an electric motor, a gear, a drive chamber within the casing, and a drive transmi... | 11/27/2001 |
| 6296009 | Arm-driven sleeve valve with centralized drive mechanism An arm-driven sleeve valve utilizes a single pin connection to transmit torque from a shaft of the sleeve valve to a pair of arm portions suspended therefrom for controlling the flow of fluid from the valve by axially moving a gate. The single pin connect... | 10/02/2001 |
| 6279594 | Flow actuated valve An upright cylindrical valve body has an inlet port axially aligned with an outlet port. A valve member is retained for reciprocal movement into and out of engagement with a valve seat axial aligned with fluid flow between the inlet and outlet ports. A re... | 08/28/2001 |
| 6220272 | In-line control valves In-line control valve constructions are described which include a piston-type valve assembly and a plurality of control chambers (C1, C2, C3, C4) controlled via one or more controls ports (CP1, CP2) to provide a normally-open valve may be closed by contro... | 04/24/2001 |
| 6216721 | Axial control valve A control valve (10) including a housing (16), a pair of end caps (12, 14) sealingly attached to the housing (16), each the end cap (12, 14) being formed with a bore (20) for flow of a fluid therethrough, a shaft (26) fixedly attached to the end caps (12,... | 04/17/2001 |
| 6213144 | In-line valve A flow control valve is made from a one-piece housing which defines a substantially linear flow path. The housing comprises deformable portions coupled to a valve seat and a poppet to allow relative motion therebetween for opening and closing the valve. T... | 04/10/2001 |
| 6202671 | Control valve for cryogenic liquid propellant A valve for controlling flow of cryogenic liquid propellant in a rocket engine comprises a double acting piston-cylinder unit having a first position in which the valve is closed and a second position in which the valve is open, a locking device being eng... | 03/20/2001 |
| 6029691 | In-line control valves In-line control valve constructions are described which include a piston-type valve assembly and a plurality of control chambers (C1,C2,C3,C4) controlled via one or more controls ports (CP1, CP2) to provide a normally-open valve may be closed by controlli... | 02/29/2000 |
| 5950660 | Housing assembly for fixed cone sleeve valve A liquid flow control system comprises an upstream length of conduit, a downstream length of conduit, a valve housing, a cone valve seat and a sleeve valve. The valve housing is connected between the upstream length of conduit and the downstream length of... | 09/14/1999 |
| 5934553 | Thermostatic valve A thermostatic valve for controlling fluid flow from a high-temperature source to a low-temperature source. The thermostatic valve includes a first end which, during use of the valve, is exposed to fluid from the high-temperature source and a second end w... | 08/10/1999 |