Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 7198156 | Dam basket for vibratory separators A vibratory separator and a screen mounting basket for a vibratory separator for separating components of material introduced into the basket, the vibratory separator including a collection receptacle beneath the basket, at least one screen assembly mounted in the b... | 04/03/2007 |
| 7108793 | Method of separating liquid from liquid laden solid material A method of separating a liquid from a liquid-laden solid material includes providing a trough having a deck defining a support surface with passages extending through the support surface. The liquid-laden solid material is deposited onto the support surface so that... | 09/19/2006 |
| 7000776 | Screen assembly for vibratory separators Screen assemblies for a vibratory separator and methods of using them, the screen assemblies in one aspect including a first screen portion having a first end and a second end spaced apart from the first end, a second screen portion adjacent the second end of the fi... | 02/21/2006 |
| 5614094 | Vibrating screen unit A vibrating screen unit for dewatering dredged material. The vibrating screen unit includes a frame and a top screen deck, a middle screen deck and a bottom screen deck. The middle screen deck includes a splitter which extends across the width of the fram... | 03/25/1997 |
| 5305891 | Wood chip bar screen deck arrangement A screening deck for a wood chip screening apparatus including a plurality of parallel bars mounted in separate, interlaced grids, with the bars of at least one grid having top surfaces disposed in at least two planes, such that, during oscillatory moveme... | 04/26/1994 |
| 5238117 | Mineral processing screen separator This invention relates to a screen separator for separating metal adsorbent particles from a pulp and includes a screen separator for separating metal adsorbent particles from a pulp including an open topped and closed bottom cylindrical screen for axiall... | 08/24/1993 |
| 5045182 | Apparatus and method for removing debris from granular material Apparatus for removing debris from granular material includes a set of scalper assemblies and striker assemblies, which are disposed between an inlet and an outlet, and which are interconnected by a mechanical system to help urge the flow of the material ... | 09/03/1991 |
| 4682423 | Centrifugal drier drum for wet granular material A centrifugal drier drum for wet granular material has a peripheral drying wall arranged for rotation about its axis and an entry part for receiving the material to be dried and directing this material to within the drum. The entry part is fixed to the wa... | 07/28/1987 |
| 4609467 | Rotary plow assembly Disclosed is a plow assembly adapted for use with an endless conveyor type filtering device. The assembly comprises an elongated support member and at least one plow depending therefrom. The plow comprises a shaft affixed to the support member, a plow bod... | 09/02/1986 |
| 4602998 | Raisable plow assembly Disclosed is a filtering device comprising an endless perforate conveyor belt adapted to carry a liquid-containing material and extract liquid from the material through the belt, and a plow assembly for disrupting the material carried by the belt. The plo... | 07/29/1986 |
| 4561972 | Combine sieve plate A grain harvesting combine is provided with an improved sieve plate for more efficient cleaning of the grain. The sieve plate is mounted on the combine adjacent the rearward end thereof and is substantially rectangular in shape. The sieve plate has forwar... | 12/31/1985 |
| 4552653 | Rear dump truck with sieving device A rear dump truck for transporting particulate material and simultaneously discharging and sieving the material. The rear dump truck includes a load box divided into a front section and a rear section by a partition dump door. The front section of the box... | 11/12/1985 |
| 4376044 | Automatic sizing device An automatic sizing device for particulate or granular material containing small, medium and large sized particles flowing therethrough. The device includes an inclined housing with a first conduit having an inlet opening for receipt of the particulate ma... | 03/08/1983 |
| 4367601 | Separable means for excluding oversized slender objects For screening oversized objects and especially long slender particles wherein the long dimension of the particle is aligned in the direction of flow through a fluid-flow conduit, there is provided a screen comprising a pair of opposing corrugated surfaces... | 01/11/1983 |
| 4351719 | Vibrating screen apparatus A vibratory screen apparatus is employed to continuously separate particles of random sizes, such as wood chips, into groups large, medium and small sized particles. A vibratory frame has a horizontal platform driven in vibratory movement to convey partic... | 09/28/1982 |
| 4124498 | Semi-cylindrical oscillating sifter A power driven oscillating sifter oscillated by a motor driven crank arm with the sifter having a pair of end plates and a central baffle all secured to the shaft. A perforated semi-cylindrical sifter panel is detachably secured to the end panels by means... | 11/07/1978 |
| 4120790 | Synthetic rubber dewatering apparatus and method An apparatus and method for dewatering rubber crumb in which a slurry of rubber crumb and fines overflowed from a feed tank onto a curved screen for dewatering is subjected to a change in direction away from the screen by a fixed baffle in the feed path u... | 10/17/1978 |
| 4115257 | Grain cleaner A cleaner for removing waste particles from grain and similar agricultural products. The cleaner comprises a pair of concentric drums adapted to be rotated in unison and having perforated outer surfaces for separating out waste particles. The inner drum h... | 09/19/1978 |
