Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 6499930 | Grain bin unloading system An unloading system for a grain bin. The unloading system includes a sweep conveyor for sweeping grain from the interior of the grain bin to a well in the floor of the grain bin. The sweep conveyor includes an elongated frame, a first sprocket at one end ... | 12/31/2002 |
| 5988358 | Screw conveyor A screw conveyor is provided with a drive in which cogged wheels are supported such that they are radially movable in relation to each other, parallel to a straight line perpendicular to a pressure line of tooth contact of the cogged wheels and parallel t... | 11/23/1999 |
| 5449263 | Device and method for torque assist of drag arm An apparatus for removing bulk materials from a laterally enclosed storage area wherein the apparatus may be substantially buried within the bulk material (11). The apparatus includes a support column (16) mounted at a base into a support floor (25). An a... | 09/12/1995 |
| 5203802 | Device forming an emptying screw for residual product stored in a silo A device for the emptying of the residual product stored in a silo comprises a series of beams, for example, two or three beams. The first beam is mounted pivotably at a first end thereof on a pivot situated at the center of the discharge opening of the s... | 04/20/1993 |
| 5099983 | Portable auger system apparatus and method for depositing gypsum into an irrigation ditch A portable sweep auger apparatus and method for controllably transferring predetermined continuous amounts of granular and powdered gypsum from a pile of gypsum to an irrigation ditch. The apparatus includes a base member, a driver member and an auger ass... | 03/31/1992 |
| 4465409 | Silo unloader A top unloading silo unloader pendently supported in a tower silo. The unloader has a material collector moved around the silo with leading and trailing drive wheels. An impeller receives material from the collector and throws the material into an out chu... | 08/14/1984 |
| 4243352 | Suspension for silo unloaders A silo unloader is of the type having a tripod with inwardly and upwardly inclined legs, including a main leg and lateral legs, surmounting the wall of a cylindrical silo, and a silo unloader mechanism has three generally radially extending horizontal sup... | 01/06/1981 |
| 4170385 | Silo unloader with leveling and drive structure A top unloading silo unloader pendantly supported in a tower silo. The unloader has a material collector moved around the silo with an automatic leveling and drive structure. An impeller receives material from the collector and throws the material into an... | 10/09/1979 |
| 4132450 | Silo unloader lift attachment A top unloading silo unloader equipped with a lift attachment connected to a lifting cable used to raise and lower the silo unloader in a tower silo. The lift attachment has an elongated body releasably connected at one end to the impeller housing of the ... | 01/02/1979 |
