Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7210681 | Paper discharge unit and printing apparatus employing the paper discharge unit A printer having a plurality of printing engines that eject papers to a common chute box is provided, wherein papers are discharged in an aligned state, even in the case that papers of different sizes are ejected. Papers of different sizes are inserted through slots... | 05/01/2007 |
| 6250479 | Rotationally oscillating separator with eccentric shaft mounting portions A rotationally oscillating separator for separating mixed rice into unhulled rice and unpolished rice after the rice have passed through a rice huller to remove the hulls from rice. The separator comprises a vertical rotating shaft supported for rotation ... | 06/26/2001 |
| 5725103 | Bend detector A bend detector for detecting a bend in headed rod members such as nails, screws, bolts, rivets and terminals. A guide plate, a base plate and a beam are mounted on a base which is being vibrated. Thus, a nail set in the bend detector is vibrated and roll... | 03/10/1998 |
| 4763793 | Installation for sorting articles by weight and shape A sorting installation for separating a first type of articles from a second type of articles fed mixed to the sorting installation. The articles of the first type are relatively light and substantially two-dimensional, while the articles of the second ty... | 08/16/1988 |
| 4662522 | Paper selecting apparatus A paper selecting apparatus includes an upstream side transportation passage having an inclined bottom surface(s) held in the inclined state in the transverse direction, a lower stage transportation passage extending in continuation from the downstream en... | 05/05/1987 |
| 4146137 | Adjustable unit for spiral separator An apparatus is disclosed for an adjustable movable unit for a spiral separator seed cleaning machine. The apparatus may take a variety of forms depending on the particular spiral separator it is to be mounted upon. The movable unit mounts on a rod and is... | 03/27/1979 |
| 4118309 | Separation and recovery of heat carriers in an oil shale retorting process In an oil shale retorting process, hot heat-carrying spherically-shaped solids are cycled to a retort zone to mix with and retort crushed oil shale, thereby producing gas and oil products and a mixture of irregularly-shaped, laminar spent shale and spheri... | 10/03/1978 |
| 3978986 | Process and apparatus for separating aspherical particles from spherical particles Disclosed is a process and apparatus for separating aspherical particles from spherical particles in an admixture thereof, preferably in the preparation of a particulate carrier material for two-component developer systems for electrostatic copy devices. ... | 09/07/1976 |
| 3955680 | Apparatus and method for segregating different size articles An apparatus and method for segregating different size articles in which the articles to be segregated are transported along a moving canted conveyor and permitted to slide onto the upper end of an inclined chute which has a divider located substantially ... | 05/11/1976 |
