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 |
| 7793923 | Wave coil spring A wave coil spring includes: a spring main body which has a spiral structure of a wave-shaped spring material, the spring main body bearing an axial compressive load in such a state that surfaces of the spring main body which face each other are brought into contact... | 09/14/2010 |
| 7441980 | Device for joining two components with tolerance compensation A device for joining a first component A and a second component B while leaving a joining gap SP includes a bolt 4 and a compensating coil 2 for compensating tolerances of the joining gap. The compensating coil is adapted to be fixed to the bolt 4 | 10/28/2008 |
| 7418973 | Device to reduce noise in pressure regulators A pressure regulator comprising a body portion having an inlet port, an outlet port, and a flow passage positioned therebetween is provided. A valve member and a valve seat are positioned in the flow passage. A spring is coupled to the valve member to urge the valve... | 09/02/2008 |
| 7418753 | One-sided mattress A one-sided mattress construction includes a spring assembly with asymmetric spring coils. Only the bottom portion of each spring coil is attached, either to adjacent spring coils or to a bottom surface of the mattress. The top portion of each spring may have a narr... | 09/02/2008 |
| 7404223 | Innerspring coils and innersprings with non-helical segments Innerspring coils for innersprings for mattresses and other reflexive support structures, have generally helical coil bodies and at least one non-helical segment or step which extends between one or both axial ends of the coil body and one or both of the coil ends. ... | 07/29/2008 |
| 7367354 | Check valve A check valve includes a housing formed with a valve hole through which fluid flows, a valve seat formed on the peripheral wall of the valve hole, a valve element disposed in the valve hole to be movable between a valve closed position where the valve element makes ... | 05/06/2008 |
| 7337796 | Safety relief valve having a low blow-down value and spring therefore A safety relief valve is provided that comprises a body comprising a chamber therein and an inlet and an outlet, the inlet comprising an inlet valve seat; a disk member closeable on the inlet valve seat; and a mechanism in the body biasing the disk member to rest on... | 03/04/2008 |
| 7309357 | Prosthetic spinal discs A prosthetic spinal disc uses a stiff spring or springs for resiliency between two plates that attach to adjacent vertebrae. When the disc has multiple springs, they may be adjacent, concentric or nested. Multiple springs may be spaced around the periphery of the pl... | 12/18/2007 |
| 7249757 | Brush type small motor having non-linear spring device A spring device consists of a coil spring case formed of right, left, back and front side plates and a spring receiving plate, a coil spring having a liner spring property, and a spring urging member for urging the coil spring into the coil spring case. A distance b... | 07/31/2007 |
| 7247007 | Linear compressor A linear compressor includes a cylinder part and a piston part. A spring connects the cylinder part and the piston part and operates in the direction of reciprocation of the piston part relative to the cylinder part. The piston part includes a radially compliant but... | 07/24/2007 |
| 7231702 | Connector and method of use thereof A connecting structure is provided. The structure includes a post with a first end, middle portion, and a second end, a plurality of prongs flexibly connected to the first end, extending toward the second end in a V-shape. ... | 06/19/2007 |
| 7220927 | Turn signal assemblies and methods for operating the same Turn signal assemblies for motor vehicles that employ shape memory alloy actuators to provide automatic cancellation of turn signals. A controller is in operative communication with the shape memory alloy actuator and is programmed to provide an activation signal to... | 05/22/2007 |
| D538434 | Orthodontic spring | 03/13/2007 |
| D537945 | Orthodontic spring | 03/06/2007 |
| 7178187 | Asymmetric spring components and innersprings for one-sided mattresses Asymmetric spring components for mattress and other flexible support structures, in the form of helical coil springs with turns in the coil body having varying pitch angles and radii, and a single support end for use in a one sided innersprings in one-sided mattress... | 02/20/2007 |
| 7168117 | Multi-stranded coil spring A spring assembly including a helical coil formed from a multi-strand cord. ... | 01/30/2007 |
| 7152854 | Spring mechanism and cell contact mechanism for small electronic device In a cell cover according to the present invention, a compressed coil spring formed by deforming a linear elastic member is fixed to a plate member provided with a raised bent portion as a projection on a first side. The raised bent portion engages with an engagemen... | 12/26/2006 |
| 7093877 | Gutter mounted deck lid hinge A link assembly forming a 6 bar linkage is integrally combined with a spring having a laterally coiled strand to form a hinge that is particularly well adapted to be installed in a small footprint. Such a unit is well adapted for installation within a peripheral cha... | 08/22/2006 |
| 7055812 | Canted coil springs various designs A coil spring includes a plurality of primary wire coils and a plurality of secondary wire coils, the primary and secondary coils being contiguous and differentiated from one another by a dimensional size in order to provide variable force and variable deflection. | 06/06/2006 |
| 7047581 | Stranded mattress spring A mattress construction with a stranded wire spring is disclosed. The stranded wire spring can be designed with the same performance characteristic as a conventional single strand coil spring, but at a lower manufacturing and material cost. ... | 05/23/2006 |
| 7017344 | Machine spring displacer for Stirling cycle machines A displacer spring and displacer/spring assembly for use in an FPSE and with improved wear characteristics. One embodiment calls for the use of a single machined spring operating alternately in a tension mode and a compression mode and wherein the operating frequenc... | 03/28/2006 |
| 6944899 | Stranded mattress spring A mattress construction with a multi-strand coil spring is disclosed. The multi-strand coil spring can be designed with the same performance characteristic as a conventional solid wire coil spring, but at a lower manufacturing and material cost. ... | 09/20/2005 |
| 6931685 | One-sided mattress A one-sided mattress construction includes a spring assembly with asymmetric spring coils. Only the bottom portion of each spring coil is attached, either to adjacent spring coils or to a bottom surface of the mattress. The top portion of each spring may have a narr... | 08/23/2005 |
| 6920965 | Spot-type disc brake with a spring assembly for a brake pad The present invention relates to a spot-type disc brake with a brake housing straddling a brake disc, with at least one brake pad that is arranged in the brake housing so as to be slidable in the actuating direction and cooperates tribologically with the brake disc ... | 07/26/2005 |
| 6883790 | Coil spring with lateral bias The invention comprises a vehicle strut assembly. A strut has a first seat mounted to the strut and a second seat mounted to a vehicle body. A spring is mounted between the first seat and the second seat and is disposed around the strut. The spring has a compressed ... | 04/26/2005 |
| 6712346 | Helical compression spring for a vehicle suspension The present invention is directed to a helical compression spring which is mounted on a vehicle body to be compressed between an upper seat and a lower seat. The spring is formed to provide a coil axis to be substantially curved at a predetermined radius of curvatur... | 03/30/2004 |
| 6669184 | Composite wave ring spring A compression spring comprising a plurality of composite wave rings stacked and attached to one another in crest to crest configuration. Each of the wave rings has a plurality of alternating peaks and troughs wherein one peak and one adjacent trough defin... | 12/30/2003 |
| 6604736 | Spring assembly with captured core A spring assembly comprising: an axially extending coil formed from a spring wire and having first and second ends and a length there between with an interior having a generally circular cross-section. The coil includes first end portion with a first diam... | 08/12/2003 |
| 6547227 | Torsional vibration damper and helical compression spring for a torsional vibration damper A torsional vibration damper comprising at least two components which can be twisted against the resistance of at least one energy storage element, spring coils extending along its longitudinal axis. The components have forced-application areas for compre... | 04/15/2003 |
| 6543757 | Helical compression spring for a vehicle suspension The present invention is directed to a helical compression spring which is mounted on a vehicle body to be compressed between an upper seat and a lower seat. The spring is formed to provide an end coil center line connecting the centers of an upper end co... | 04/08/2003 |
| 6533259 | Resilient return means having a fixing seat and elongate body fitted with such resilient return means This invention relates to a resilient return having a fixing seat, and to an elongate body fitted with such resilient return. The resilient return, particularly a spring in accordance with the invention, comprise a seat (9) capable of fitting into a recei... | 03/18/2003 |
| 6481701 | Spring having coils of varying diameters A spring includes intermediate coils of larger and smaller diameter so that upon compression of the spring the smaller diameter coil may nest within one of the large diameter coils, thereby reducing the overall length of the spring without causing the coi... | 11/19/2002 |
| 6460840 | Helical compression spring for a vehicle suspension The present invention is directed to a helical compression spring which is mounted on a vehicle body to be compressed between an upper seat and a lower seat. The spring has a coil axis that is substantially curved at a predetermined radius of curvature in... | 10/08/2002 |
| 6460835 | Wheel suspension system and spring therefor Provided is a wheel suspension system (4) and a spring (6, 16, 26) therefor which can improve the ride comfort of the vehicle by reducing the sliding resistance between the cylinder and the piston of the tubular shock absorber (5) surrounded by the compre... | 10/08/2002 |
| 6375174 | Curved helical compression spring The present invention is directed to a curved helical compression spring having a plurality of coils along a curved coil axis. Each coil constituting the helical compression spring is increased and decreased in diameter, and the order of the increased dia... | 04/23/2002 |
| 6328290 | Helical compression spring for a vehicle suspension The present invention is directed to a helical compression spring which is mounted on a vehicle body to be compressed between an upper seat and a lower seat. The spring has a coil axis that is substantially curved at a predetermined radius of curvature in... | 12/11/2001 |
| 6299150 | Composite spring mount shock absorber A spring element is made of a spring material and is formed into a generally elliptical shape. Two mounting pins extend in a normal direction through parallel relatively short segments of said elliptically-shaped spring element. The mounting pins are subs... | 10/09/2001 |
| 6299367 | Coil spring sheet-pressing member for sheet feeding mechanism A sheet feeding mechanism includes a sheet feed roller for transporting a sheet along a paper transport path, and a sheet-pressing member disposed so as to press the sheet feed roller. The sheet-pressing member integrally includes a pressing portion which... | 10/09/2001 |
| 6273396 | Electromagnetic valve The electromagnetic valve has a valve body capable to open and close a fluid communication path, first and second springs opposing to each other and biasing the valve body. Biasing forces of the first and second spring toward the valve body are balanced w... | 08/14/2001 |
| 6250618 | Curved wave shim A curved wave shim is formed from a flat elongated wire strip which follows a sinusoidal wave path that includes a series of waves spaced about the curved wave shim path, each wave having a shoulder portion which bears against generally parallel surfaces ... | 06/26/2001 |