Did You Know...
...that the inventor of the electric motor was a blacksmith named Thomas Davenport? Described as "a brilliantly unsuccessful inventor", Davenport invented the first rotary electric motor. In 1836 he headed out -- on foot -- from his Vermont home to file a patent application at the Patent Office in Washington, D.C. By the time he got there, he had squandered away his money and couldn't afford the $30 filing fee so he turned around and went home. When he later mailed in his application with money he'd raised, the Patent office was destroyed in a fire. He did finally get credit for his invention on Feb. 5, 1837.
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| Number | Title | Issue Date |
| 6862901 | Process and apparatus for producing glass fibers A process and an apparatus for producing glass fibers by centrifugal force are provided. Molten glass is fed into a hollow cylinder of rotating member which rotates at high speed by means of a driving device and is heated. The molten glass is ejected to an outside o... | 03/08/2005 |
| 4861362 | Method and apparatus for forming fibers from thermoplastic materials Method and apparatus for attenuating glass fibers. Primary glass is delivered into a primary, high temperature, high velocity gaseous blast to produce fibers that are attenuated while carried by said primary blast. While the fibers are above the minimum g... | 08/29/1989 |
| 4838917 | Process and apparatus for the production of very fine mineral fibers, in particular glass fibers The streams of melt issuing from the melt outlet apertures (18) at the bottom of a melting crucible (14) are broken up into fibers in a drawing nozzle by means of a blast medium directed substantially parallel to the streams of melt. The blast medium is p... | 06/13/1989 |
| 4351661 | Fiberization by gas blast attenuation Method and apparatus are disclosed for forming fibers from attenuable materials, especially mineral materials such as glass, the disclosed technique including components providing for attenuation by toration, i.e., attenuation by delivering a stream of at... | 09/28/1982 |
| 4351660 | Toration with multiple jet deflection Method and apparatus are disclosed for forming fibers from attenuable materials, especially mineral materials such as glass, the disclosed technique including components providing for attenuation by toration, i.e., attenuation by delivering a stream of at... | 09/28/1982 |
| 4268293 | Stabilization of glass feed in fiberization by toration Method and apparatus are disclosed providing both for separation of the components of a toration fiberizing center, including separation of both the glass stream supply means and of the secondary or carrier jet from the blast, and at the same time further... | 05/19/1981 |
| 4249926 | Method for jet attenuation of fibers with localized combustion Multiple jet fiber attenuation, the jets converging to provoke mutual impact and create a combined jet flow, the jets comprising fuel and comburent components in proportions providing a combustible mixture in the combined jet flow, a stream of attenuable ... | 02/10/1981 |
| 4194897 | Method for making fibers from glass or other attenuable materials Method and apparatus for the production of fibrous materials from attenuable substances, particularly molten glass, are disclosed, along with the fiber products which result. In the disclosed system the material to be fiberized flows into a region establi... | 03/25/1980 |
| 4159199 | Method and apparatus for forming fibers by gas blast attenuation Gas blast attenuation is disclosed including the use of a pair of gaseous jets having axes lying in a common plane and directed to impinge upon each other preferably at an acute angle, the attenuable material being introduced into the influence of air ind... | 06/26/1979 |
| 4146378 | Fiber formation by use of gas blast attenuation Method and equipment are disclosed for forming fibers from attenuable material, such as molten glass, by the use of a jet penetrating transversely into a blast and by the of a structural element positioned adjacent to the path of the jet for establishing ... | 03/27/1979 |
| 4140509 | Method and apparatus for making fibers from thermoplastic materials Method and equipment are disclosed for forming fibers from attenuable material such as molten glass, by the use of high velocity whirling gas currents or tornadoes. Attenuation is preferably effected in two stages, the first of which utilizes a pair of hi... | 02/20/1979 |
| 4137059 | Method and apparatus for making fibers from attenuable materials The attenuation technique disclosed utilizes high velocity whirling currents or tornadoes formed in a toration zone i.e., a zone of interaction of a principle blast or current of gases and a gaseous carrier jet directed transversely into the blast. The ar... | 01/30/1979 |
| 4118213 | Method and apparatus for fiberizing attenuable materials and product thereof Method and apparatus are disclosed for converting a stream of attenuable material into a fiber by a two-stage attenuation technique, the two stages being effected sequentially by employment of a gaseous jet and a gaseous blast, thereby producing a single ... | 10/03/1978 |
| 4113456 | Fiberization energy conservation Gas blast attenuation of thermoplastic attenuable material is disclosed including the use of a principle current or blast with one or more jets of smaller cross section directed transversely into the blast and creating zones of interaction having whirling... | 09/12/1978 |
| 4102662 | Method and apparatus for making fibers from thermoplastic materials Method and apparatus for the production of fibrous materials from attenuable substances, particularly molten glass, are disclosed, along with the fiber products which result. In the disclosed system the material to be fiberized flows into a region establi... | 07/25/1978 |
| 4070173 | Method and apparatus for fiberizing attenuable materials Method and apparatus are disclosed for converting a stream of attenuable material into a fiber by employment of a gaseous jet penetrating a gaseous blast, thereby producing a zone of interaction in which the stream is attenuated to form a single long fibe... | 01/24/1978 |
| 4052183 | Method and apparatus for suppression of pollution in toration of glass fibers Method and apparatus for the production of fibrous materials from attenuable substances, particularly molten glass, are disclosed, along with the fiber products which result. In the disclosed system the material to be fiberized flows into a region establi... | 10/04/1977 |
| 4015964 | Method and apparatus for making fibers from thermoplastic materials Method and apparatus for the production of fibrous materials from attenuable substances, particularly molten glass, are disclosed, along with the fiber products which result. In the disclosed system the material to be fiberized flows into a region establi... | 04/05/1977 |
| 4015963 | Method and apparatus for forming fibers by toration Method and apparatus for the production of fibrous materials from attenuable substances, particularly molten glass, are disclosed, along with the fiber products which result. In the disclosed system the material to be fiberized flows into a region establi... | 04/05/1977 |
