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 |
| 8051988 | Grain conveyor apparatus and system including separation capability A grain conveying apparatus and system for conveying and separating elements of a grain mixture of a first minimum size, such as cob pieces, and a second maximum size smaller than the first minimum size, such as grain or corn, including an upper passage having at le... | 11/08/2011 |
| 7080741 | Multifunctional apparatus for use in agricultural applications A multifunctional apparatus for use in agricultural applications includes a stationary section including a primary chassis having a plurality of leg members attached thereto. The stationary section further includes a reservoir connected to the chassis and supported ... | 07/25/2006 |
| 6827222 | Gravel sorter A mobile gravel sorter, which is arranged to move in a direction of travel along a road, comprising a gathering unit which is arranged to gather up granular material from a roadway as the gravel sorter moves in the direction of travel, a sorting unit (30) for... | 12/07/2004 |
| 6305552 | Apparatus for removing matter from tobacco stems An apparatus for separating tobacco stem particles from a mixture containing such particles and tobacco stalk particles obtained in a threshing and separating process employed in a tobacco stemmery includes a hollow drum having a longitudinal axis, the ho... | 10/23/2001 |
| 6206199 | Method and an apparatus for recycling different components in a multiple layer material In order to recover the various components of multiple layer materials, a method uses a refiner or disperser including mutually opposing rotating discs having material engaging surfaces or elements such as teeth. The method includes: adjusting a gap betwe... | 03/27/2001 |
| 5524769 | Counterflow aggregate recovery apparatus A counterflow aggregate recovery apparatus for separating and retrieving material. The recovery apparatus includes a rotatable drum in which a cylindrical screen is suspended. The material to be processed is introduced into the cylindrical screen. The scr... | 06/11/1996 |
| 4832853 | Apparatus for improving characteristics of sand In apparatus for removing water and impurity components from sand, there are provided a rotary member having an opening at one end for charging and discharging sand and a filter for passing water. The rotary member is supported by a support and driven by ... | 05/23/1989 |
| 4757648 | Rocker barrel configuration A rocker barrel usable in conjunction with a blast stream of abrasives for the cleaning of work pieces. The rocker barrel is of the shallow depth bed type and is mounted for oscillation. The rocker barrel is provided internally with rocker members which w... | 07/19/1988 |
| 4636304 | Drum screening machine The invention relates to a screening machine with a screening drum which rotates about its axis and has a screen made of elastic material. The characterizing feature of the invention is that the screening drum has at least one screening zone which has the... | 01/13/1987 |
| 4416334 | Potato harvesting apparatus Disclosed is a potato harvesting apparatus for removing practically all the dirt from harvested potatoes without bruising or damaging them. The apparatus has disk coulters that cut potato vines between rows, three each of primary, secondary and rubber-coa... | 11/22/1983 |
| 4178238 | Apparatus for processing low-grade aggregate ore Apparatus for use with extremely low-grade aggregate ore, for deriving a concentrate comprised of metal-bearing ore particles having densities within a predetermined range. The apparatus is in the form of a mobile, self-sustained system including a vehicl... | 12/11/1979 |
| 4162752 | Rotating drum spreader A powder dispensing device having a powder storage bin with a powder discharge area, a perforated drum rotatably mounted within the bin adjacent to the powder discharge area and a wiper blade mounted within the drum and engaging the interior surface of th... | 07/31/1979 |
| 4140629 | Conical screen separator A frusto-conical screen separator having its longitudinal axis inclined from the horizontal so that its undersurface lies in an essentially horizontal plane, the separator being divided internally into three zones, the first zone comprising a dewatering z... | 02/20/1979 |
| 4040948 | Device for cleaning flock formed by natural fibers, especially cotton flock, of dirt particles This disclosure relates to apparatus for cleaning natural fibers of their contaminants by passing the same through a pair of rotary drum sieves each having a porous peripheral surface subject to a vacuum whereby natural fibers adhere to the porous periphe... | 08/09/1977 |
