Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7216767 | Screen basket and shale shakers 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, the basket including two opposed spaced-apart side walls having first e... | 05/15/2007 |
| 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 |
| 7175027 | Shaker screen and clamping system A screen assembly, holding apparatus for it, and a vibratory separator with it, the vibratory separator, in one aspect, for separating components of material introduced thereto, the vibratory separator including a basket, a collection receptacle beneath the basket, ... | 02/13/2007 |
| 7111739 | Wet fine particle sizing and separating apparatus A particle sizing and separating apparatus is disclosed. The apparatus includes a base and a frame that is movably connected to the base. A motor assembly is provided to vibrate the frame and at least two screens are connected to the frame. Means also are provided f... | 09/26/2006 |
| 7040488 | Screens and seals for vibratory separators A vibratory separator having a basket for supporting screen assembly apparatus, the basket having an interior surface, vibrator apparatus connected to the basket to vibrate it and the screen assembly apparatus releasably secured thereto, seal apparatus connected to ... | 05/09/2006 |
| 6932883 | Screens for vibratory separators A method for making a screen assembly for a vibratory separator, the method including, in at least certain aspects, gluing together with glue at least two layers of fine screening material, allowing the glue to set, preheating the glued together at least two layers ... | 08/23/2005 |
| 6601709 | Screen support and screens for shale shakers A support for a screen assembly for a vibratory separator, a screen assembly with such a support, a vibratory separator with one or more such screen assemblies, and a method of using such a screen assembly, such a support having a body, a first series of ... | 08/05/2003 |
| 6443310 | Seal screen structure A screen assembly for a vibratory separator, the screen assembly including a first screen assembly, a frame to which is mounted screening material, at least one seal member on the frame for sealing contact against a second screen assembly. A unibody struc... | 09/03/2002 |
| 6000553 | Multiple screen system A screening plant including a housing to which first and second screen boxes are reciprocatably mounted. The screen boxes are coplanar and the inner peripheral edge of the first box is adjacent the inner peripheral edge of the second box. Separate prime m... | 12/14/1999 |
| 5819951 | Separator plate for the screening of a particulate material and a sorting apparatus comprising same The invention provides a separator plate for the screening of particulate material comprising an upstream non-perforated segment, and at least one downstream screening segment with orifices of a desired size and orientation and with a plurality of upward ... | 10/13/1998 |
| 5690826 | Shaker screen assembly A new type of filter assembly which can be employed to retrofit an existing shaker or which can be built as an integral part of a new shaker. The assembly is comprised of a series of compartments arranged in cascading fashion within the shaker. Each compa... | 11/25/1997 |
| 5640000 | Automatic process for labelling and checking blood bags returning from analysis and machine for implementing same The chassis (1) of the machine supports a fixed supply table and three successive transfer conveyor belts (3, 14, 19) capable of routing the blood bags towards discharge chutes mounted at the other end. Stations (4, 20) for reading the codes and labels on... | 06/17/1997 |
| 5551575 | Shale shaker screens Screens have been developed which, in one aspect, have interconnection apparatus including male projections on one first screen end which are received in female openings on another adjacent screen end. In one aspect the female openings are defined by rais... | 09/03/1996 |
| 5051166 | Soil rinsing apparatus A soil rinsing apparatus includes a rinsing and sieving element with two successive sieve regions for rinsing and sieving the soil. Water is supplied in order to reduce the soil to slime and to separate harmful substances from the soil. In order to reduce... | 09/24/1991 |
| 4855039 | Vibrating screen A vibrating screen which comprises a housing having screening surfaces, the surfaces forming an angle with respect to each other, and vibrators. The housing consists of separate sections having screening surfaces arranged, one underneath the other, inside... | 08/08/1989 |
| 4582597 | Vibratory screen separator A vibratory screen structure which is rectangular in plan employing pretensioned screen panels and a pneumatic tube seal beneath the panels. Restraining members are positioned on two sides of the screen panels to hold the screen frames in position on the ... | 04/15/1986 |
| 4236998 | Process and apparatus for purifying a fibrous suspension In removing impurities, such as printing inks, binders, fiber fragments and pigments, from a fibrous suspension of waste paper containing water, the fibrous suspension is directed downwardly over an inclined sieve for removing the impurities through the s... | 12/02/1980 |
| 4190527 | Interlocking screen elements A sieve screen module comprises a plurality of screen elements whose opposed edges contain complementary formations interlocked by an elongate member fixedly secured in the formation by a settable material. A number of modules may be assembled by passing ... | 02/26/1980 |
| 4140630 | Sorting apparatus for fragmented materials An improved sorting apparatus for sorting sand, rock, gravel and other fragmented material utilizes a wire screen panel having a plurality of sorting zones with the apertures of each zone having a different cross-sectional area. A multiplicity of equally ... | 02/20/1979 |
| 4065382 | Multiple screen apparatus Vibrating screen apparatus wherein high screening output is achieved by providing a series of inclined screens in generally end to end relation whereby undersize material passing through the screens is received in a common hopper disposed beneath the scre... | 12/27/1977 |
