Celebrity Inventors
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 |
| 7337604 | Hybrid high elongation cord An elongation cord adapted for the reinforcement of elastomer structures has a polymer core and three to nine strands twisted around the core with a cord twisting step in a cord twisting direction. At least one of the strands a first group of filaments and a second ... | 03/04/2008 |
| 7137483 | Rope and elevator using the same An elevator in which the sheave diameter is reduced and the attendant lowering of the rope life and strength is suppressed to secure safety and reliability. To this end, a rope is used in which a plurality of element wires constituting the wire rope are each covered... | 11/21/2006 |
| 7036298 | Rope for elevator and method for manufacturing the rope An elevator rope includes: an inner layer rope; an inner layer covering body of resin and covering the outer periphery of the inner layer rope; an outer layer located in the outer periphery of the inner layer covering body; and an outer layer covering body of a high... | 05/02/2006 |
| 6957525 | Electrically conductive yarn comprising metal fibers An electrically conductive yarn comprises stainless steel fibers. The electrically conductive yarn comprises at least one elongated element, which has an outer surface being provided out of metal or metal alloy having a lower specific electrical resistance than the ... | 10/25/2005 |
| 6920745 | Zinc-coated steel cord with improved fatigue resistance A steel cord for the reinforcement of thermoplastic elastomers, the steel cord including more than one strand, each strand including two or more steel filaments, at least some of said the steel filaments being provided with a zinc coating. The zinc coating has a thi... | 07/26/2005 |
| 6904744 | Steel cord for reinforcing rubber articles Steel cord includes a first group and a second group. The second group is helically twisted around the first group with a cord twisting step. The first group includes a first number of first steel filaments. The first number ranges between three and eight. The secon... | 06/14/2005 |
| 6817395 | Crown reinforcement for heavy duty tires A pneumatic radial ply tire 20 has a tread 24, a carcass 21, and a belt reinforcing structure 40. The carcass 21 has a steel cord reinforced radial ply extending from one annular bead to a second annular bead. The belt reinforcing ... | 11/16/2004 |
| 6779330 | Antimicrobial cut-resistant composite yarn and garments knitted or woven therefrom An antimicrobial, cut-resistant composite yarn which has a core member including at least one cut-resistant strand, a cover member including at least one strand wrapped around and enclosing the core member, wherein at least one strand in either the core member or th... | 08/24/2004 |
| 6658836 | Hybrid cord A hybrid cord is presented for use in the reinforcement of elastomers. The hybrid cord is characterized by having a core steel filament, a first layer of one or more nonmetallic filaments which are wrapped about the steel filament in the core, and a secon... | 12/09/2003 |
| 6640533 | Wire rope lubrication A wire rope 10 includes a plurality of strands 12. The strands are formed from individual wires or filaments 14. The strands are wound about a central axis. A conduit 16 also extends along said central axis. The conduit 16 has walls that are permeable to ... | 11/04/2003 |
| 6534175 | Cut resistant fabric The present invention relates to a comfortable cut resistant fabric wherein metal fibers in the fabric are shielded from abrasive exposure by being wrapped with cut resistant staple fibers.... | 03/18/2003 |
| 6412263 | Reinforcing steel cord for rubber products, method and device for producing such steel cords A reinforcing steel cord for rubber products, such as steel belted radial tires or conveyor belts, is disclosed. This steel cord is improved in rubber penetration and ageing adhesive force relative to the rubber material. The steel cord is formed by twist... | 07/02/2002 |
| 6381940 | Multi-component yarn and method of making the same A cut-resistant combined yarn is described that includes a wire component. Kinking and knotting of the wire component resulting from stretching of the wire component during knitting is avoided by encasing the wire component within a cut resistant combined... | 05/07/2002 |
| 6363703 | Wire wrapped composite yarn A composite cut-resistant yarn having a fiberglass and wire component a fiberglass core strand having a denier of between about 100 and about 1200 at least a first wire strand wrapped the fiberglass core strand in a first wire strand direction and at leas... | 04/02/2002 |
| 6360522 | Rope for conveying systems A filler element is located between each adjacent pair of outer strands of a wire rope and interlocks with the adjacent strands. The filler elements provide the rope with substantially smooth outer surface reducing vibration of the rope passing over a pul... | 03/26/2002 |
| 6354068 | Steel cords for reinforcement of rubber articles pneumatic tire process for producing steel cord and tubular-type twisting machine therefor A steel cord comprises a core of three or more filaments bundled without twisting and a sheath of at least one layer comprised of plural filaments wound around the core, wherein all core filaments are arranged in a given rectangle at any section in its lo... | 03/12/2002 |
| 6339920 | Rotation-resisting wire rope A wire rope for a heavy-load crane, such as a ladle crane is provided that is not only almost rotation-resistant but is also unlikely to be broken by wear and fatigue of wires. The rotation-resisting wire rope has a plurality of side strands. In side each... | 01/22/2002 |
| 6295799 | Tension member for an elevator A tension member for an elevator system has an aspect ratio of greater than one, where aspect ratio is defined as the ratio of tension member width w to thickness t (w/t). The increase in aspect ratio results in a reduction in the maximum rope pressure an... | 10/02/2001 |
| 6247298 | Stab-resistant insert for protective textile A fabric (144) for use as a stab-resistant insert in protective textiles comprises a plurality of steel cords (100). Each of the steel cords (100) comprises a longitudinal axis (102) and two or more steel filaments (104). Each of the steel filaments (104)... | 06/19/2001 |
| 6164053 | Synthetic non-metallic rope for an elevator A hoist rope for an elevator is formed from synthetic, non-metallic materials. The hoist rope includes a plurality of load-carrying strands with each strand encased within a coating layer. The coating layers provide protection against wear and provide suf... | 12/26/2000 |
| 6146760 | High strength cord Steel reinforcing cords (36) having four or more filaments (38, 40, 42 and 44) in two groups, one twisted and the other untwisted with a filament tensile strength TS equal to K1 -K2 D where K1 =4080N/mm2, and D ... | 11/14/2000 |
| 5956935 | High tensile steel filament member for rubber product reinforcement The steel wire is made using a carbon steel wire rod material containing 0.70 to 0.75 wt % carbon and has the characteristics that its diameter is 0.10 to 0.40 mm and Yࣙ-1960d+3580 Y: tensile strength (N/mm2), d: diameter (mm)!. Furthermore... | 09/28/1999 |
| 5946898 | Wire rope having an independent wire rope core A wire rope including a core rope having a number of strands each made of a number of wires, and a number of outer strands closed on the core rope. Each strand of the core rope has a contact section where two or more wires of the strand of the core rope c... | 09/07/1999 |
| 5819521 | Steel cord for reinforcing a rubber product and pneumatic tire using the same A steel cord for reinforcing a rubber product has a multilayer structure consisting of two or more layers including a core, or a structure consisting of seven or more strands twisted in the same direction at the same pitch. In the steel cord, at least one... | 10/13/1998 |
| 5806295 | Protective apparel, multiple core cut-resistant yarn, and method of constructing a multiple core cut-resistant yarn A cut-resistant flexible yarn suitable for knitting, method of forming the cut-resistant yarn, and protective apparel incorporating the cut-resistant yarn are provided. The yarn includes a plurality of core units. Each of the core units includes a core ya... | 09/15/1998 |
| 5768874 | Multi-strand steel cord A steel cord (10) comprises eight or more strands (12, 14) twisted together. Each of the strands has a substantially same cord twisting direction and a substantially same cord twisting pitch in the steel cord, and each of the strands consists of two to fi... | 06/23/1998 |
| 5737909 | Metallic cord for the reinforcement of elastomers A metallic cord for the reinforcement of elastomers comprising seven strands of two filaments wherein one strand is surrounded by six strands and the six strands are twisted in the same direction and have the same lay length.... | 04/14/1998 |
| 5687557 | Open steel cord structure A steel cord (114) comprises strength elements (100, 132) and having a length, a longitudinal central axis (112) and a cord pitch. At least one of the elements (100) has a projection on a plane YZ perpendicular to the longitudinal central axis (112). This... | 11/18/1997 |
| 5669214 | Stranded wire rope or cable having multiple stranded rope elements, strand separation insert therefor and method of manufacture of the wire rope or cable To reduce elongation of a stranded wire rope or cable (1), particularly when running over sheaves, or pulleys, and decrease vibration as well as operating noise while increasing operating speed, insert elements (4) are placed between adjacent rope element... | 09/23/1997 |
| 5651245 | Lifting cable having metallic central core and hybrid outer strands The cable includes a substantially metallic central core (3) and outer strands (2) formed from at least one layer of metal wires (21), particularly steel wires, which are stranded over a core element (22) made from synthetic material, preferably a thermop... | 07/29/1997 |
| 5605036 | Steel cords for the reinforcement of rubber articles and having a wrapping cord A steel cord for the reinforcement of rubber articles exhibits largely different bending rigidities in two crossing directions at section of the cord and comprises a bundle of plural strands each being obtained by twisting 3 or more steel filaments and a ... | 02/25/1997 |
| 5595057 | Steel cords for the reinforcement of rubber articles A steel cord for the reinforcement of rubber articles comprises a core comprised of three steel filaments, a first sheath formed by twisting nine wave-formed steel filaments around the core, and a second sheath formed by twisting fifteen wave-formed steel... | 01/21/1997 |
| 5496969 | Concentric compressed unilay stranded conductors Concentric Compressed Unilay Stranded Conductors are formed of certain combinations of compressed wires, such as 1+7+12, 1+6+11 or 1+7+12+17, which have nominally equal diameters. The combinations of conductors or wires are selected so that the number of ... | 03/05/1996 |
| 5475973 | Rope with corrosion resistance and bending endurance characteristics A rope comprising a plurality of wires (2, 3, 4) made of a steel wire being twisted together; at least the wires which are arranged in such a manner as to be disposed on an outer surface of the rope (1) being made of a plated steel wire wherein a corrosio... | 12/19/1995 |
| 5461850 | Multi-strand steel cord having a core and peripheral strands surrounding the core A steel cord (10) has a diameter D and includes a core strand (12) and up to nine peripheral strands (14) surrounding the core strand. The core strand (12) has a diameter D1 and the peripheral strands (14) have a diameter D2. The ratio core strand diamete... | 10/31/1995 |
| 5375404 | Wide rope with reduced internal contact stresses A stranded product is formed from a central wire and a plurality of wires helically wound around the central wire, wherein each of the wires helically wound around the central wire has a small longitudinal groove which increases the area of contact betwee... | 12/27/1994 |
| 5307615 | Flexible tension member Flexible tension member includes a helical bundle of substantially identical elongate elements. Each element inside the bundle is in contact with six adjacent elements, and the lay length of the helical bundle is at least 30 times its diameter. Each eleme... | 05/03/1994 |
| 5118906 | Wire conductors for automobiles An electric wire conductor for use in automobiles made by twisting a plurality of strands together. Each of the strands has a surface layer made of copper or a copper alloy and a core made of steel containing carbon and other elements such as Si, Mn, Ni a... | 06/02/1992 |
| 5061557 | Reinforced composite structure One or more plies of reinforced elastomer, particularly two plies (10),(12) of rubber reinforced with twisted filament metallic cords (14) and more particularly a tire belt made up of the two plies (10),(12) is disclosed having cords (14) of 2x.30HT const... | 10/29/1991 |
| 5048280 | Steel composite cord A high-elongation composite cord used for reinforcing a rubber composite such as a wheel tire and a conveyor belt. It is made by twisting a plurality of strands each made by twisting a plurality of brass-plated steel filaments and monofilaments of organic... | 09/17/1991 |
