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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7312408 | Granular material weighing hoppers containing pinch values or flipping-type hoppers Each of a plurality of scale units 10 that constitute a combination weigher is provided with a cut gate 11 attached to a lower portion of a powdery- or granular-material hopper 12, a feeding hopper 13 for temporarily retaining a powdery o... | 12/25/2007 |
| 6170670 | Methods of and apparatus for feeding granular material An apparatus for feeding a granular catalyst to a destination such as a reactor at a constant feeding rate uniformly charges the catalyst material into the device. The granular catalyst is loaded into individual compartments of a hopper and is ejected at ... | 01/09/2001 |
| 4979608 | Two trough, electromagnetically vibratory feeder A three mass, two trough feeder transfers articles on first and second troughs by vibrating the troughs. First and second leaf springs support the troughs on a base with the troughs in line with each other and with one trough overlapping the other. The ra... | 12/25/1990 |
| 4941565 | Dispersion feeder A dispersion feeder used in a combination weighing machine for distributively feeding product to be weighed out to a plurality of weighing units arranged around it. The feeder is characterized in that it includes a mechanism for effecting rotational movem... | 07/17/1990 |
| 4600096 | Dispersion feeder A dispersion feeder for distributively feeding product to a plurality of weighing units arranged circularly about a common axis, comprising a plurality of conveyer troughs arranged radially about the axis for communicating by their outer ends respectively... | 07/15/1986 |
| 4596327 | Distributive feeding device for combination weighing machine A device for feeding product from a single source to a plurality of weighing units of a combination weighing machine, which are arranged in circular array, comprising a centrally disposed generally circular dispersion feeder for radially dispersing the pr... | 06/24/1986 |
| 4178984 | Apparatus for supplying inserts to the metal mold of injection molding machines An inverted U-shaped frame is provided to straddle the injection molding machine, and a chain conveyor provided with spaced apart groups of L-shaped insert carriers is moved along the frame. An insert chute is provided for working side of the frame for lo... | 12/18/1979 |
