Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 7775028 | Annular metal cord and endless metal belt An annular metal cord includes an annular core portion and an outer layer portion. The annular core portion is formed by connecting together both ends of a first strand material which is made up of six twisted first metal filaments. The outer layer portion is formed... | 08/17/2010 |
| 7568333 | Apparatus for making slings An apparatus for manufacturing industrial slings which is especially adapted for making roundslings. The apparatus can make slings having one load-lifting core or multiple load-lifting cores. The apparatus has three primary sections, namely, a yarn feeder assembly, ... | 08/04/2009 |
| 7331269 | Apparatus and method for interconnecting items with a flexible member A flexible member, comprising: an inner core member, comprising a plurality of strands of liquid crystal polymers cooperating with each other to define and provide the inner core member; an outer sheath disposed about the inner core member, the outer sheath defining... | 02/19/2008 |
| 7240475 | Roundsling The invention is related to a roundsling in the form of an endless loop consisting of a core containing at least two turns of a load-bearing strand material comprising fibres with a tenacity of at least 10 cN/dTex and a protective covering around said core, wherein ... | 07/10/2007 |
| 6260343 | High-strength, fatigue resistant strands and wire ropes Strands and wire ropes composed of materials such as high carbon steels and stainless steels can be provided in a compacted, mechanically stress relieved and thermally stress relieved condition. The wires are compacted during stranding to form the individ... | 07/17/2001 |
| 5651572 | Roundsling construction Disclosed is a flexible roundsling construction which comprises a fiber optic signal strand component in a bundle of strands of endless parallel loop lifting core yarn contained inside a tubular protective cover material from which two free ends of the fi... | 07/29/1997 |
| 5649414 | Sling with braided sleeve covering A utility loop includes a loop of fiber which forms the loop core. The loop of fiber is made from a thread wrapped into a plurality of loops. The two loose ends of the thread can then optionally be tied together to form the loop of fiber. The outer loop c... | 07/22/1997 |
| 5258040 | Prosthesis for tensile load-carrying tissue and method of manufacture The inventive article is a ligament or tendon prosthesis having multiple longitudinally parallel strands of microporous expanded polytetrafluoroethylene, the individual strands having an average porosity greater than 30% in the areas requiring tissue ingr... | 11/02/1993 |
| 4843807 | Method of producing an endless sling A skein of yarn is drawn through a protective tube prefabricated of a woven, tubular textile fabric and is connected in order to form an endless sling. The protective tube is formed of two length sections. These length sections, which are of approximately... | 07/04/1989 |
| 4569190 | Twisted cable assembly and a method of making the same A twisted cable assembly and a method of making the same. The cable assembly comprises first and second spaced apart end spools and a continuous length of wire. The wire is looped around and extends between the end spools, and sections of the wire between... | 02/11/1986 |
| 4436132 | Bead rings for tires In order to obtain a bead ring for tires which is both lighter and stronger than the known bead rings, the bead ring is formed of an annular core, for example of steel, surrounded by at least one layer formed of at least one strand of continuous nonmetall... | 03/13/1984 |
| 4332854 | Polypropylene oil removal structure A product or article for manual use in the removal of spilled oil and like contaminants from the surface of a body of water is provided which is characterized by a plurality of strands of a polyolefin being placed in an endless or closed, circular state w... | 06/01/1982 |
| 4286429 | Polypropylene endless loop and the method therefor A method is disclosed for preparing polypropylene endless loop by blow-moulding polypropylene raw materials into tubular sheet, drawing the same transversely to an extent to provide a draw ratio of at least 4, and before or after the drawing step, cutting... | 09/01/1981 |
| 4257309 | Continuous filament rope and method of making same Continuous filament rope and method of making same whereby high strength continuous synthetic filaments may be used to provide a rope which in use will have a strength approaching the theoretical strength of the fibers therein. The rope is made by combini... | 03/24/1981 |
