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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7314053 | Load sensing system A load sensing system for maximizing the cleaning efficiency of particulate raw materials such as sand, gravel, rock, ores, etc., in a log washer by sensing the weight of the aggregate in the log washer tank and adjusting the angle of inclination of the tank for cle... | 01/01/2008 |
| 7121042 | Door assembly for sealing a chamber A door assembly providing an airtight seal for a chamber. The door assembly includes a link assembly that allows a door to move inward toward a gasket sealing an opening into the chamber. ... | 10/17/2006 |
| 7055536 | System and method for cleaning a feed dispenser A cleaning system for a livestock feeding device which unclogs blockage without the need for a workman to enter the feed dispensing area. The system includes at least two swiping arms which are positioned at a lower area of the feed system. The system is environment... | 06/06/2006 |
| 7036538 | Device for filling a bag A device for filling a bag with bulk material. The device includes a charging hopper, a filling pipe adjoining the lower end of the charging hopper, a conveyor worm arranged in the filling pipe and drivingly connected to a rotary driving motor, as well as a height-a... | 05/02/2006 |
| 6951230 | Continuously variable length and shaped auger for powder fillers An apparatus for controlling the denseness of powder conveyed from a hopper through a funnel and into a container includes an auger that is positioned within the funnel that is rotatable and vertically movable. The rotation and vertical movement of the auger serves ... | 10/04/2005 |
| 4728004 | Material-handling and discharge bin of the type having a fluid-expandable flexible membrane for discharge assistance Improvements in bulk storage and handling systems of the type utilizing an inflatable membrane silo liner are disclosed. Included with the inflatable membrane are means for conforming the membrane to the silo or bin walls and means for substantially compl... | 03/01/1988 |
| 4718575 | Apparatus for ascertaining the level of flowable material in dust separators and the like The hoppers of several dust precipitators are connected to a common readily accessible monitoring station by discrete conduits each of which has a first open end at a preselected level in the respective hopper, a second open end at the monitoring station ... | 01/12/1988 |
| 4717308 | Container unloading system An unloading system for a container, such a forage box, includes a floor and a pair of parallel sidewalls. An auger is located in the container and a hydraulic motor on the auger rotates the auger to convey material in the container toward one end thereof... | 01/05/1988 |
| 4583663 | Valve assembly and automatic control system for material handling and storage bin A flowable granular, powder or flake material storage bin of the type having an inflatable generally cup-shaped bag with a blower for inflating and a blower for deflating the bag has a valve assembly of unique construction for controlling high-volume low-... | 04/22/1986 |
| 4578013 | Device for picking up loose articles This device for picking up separately selected slack articles from a heap of articles disposed in a container comprises a movable handling arm adapted to be lowered into the container for picking up the selected article, for example a textile, just as it ... | 03/25/1986 |
| 4571138 | Apparatus for silo clean out An apparatus for cleaning out material which remains within a confined space, such as silos, hoppers and the like, is disclosed. The apparatus includes a power driven device for impacting the material which is hung up within the silo to loosen it and allo... | 02/18/1986 |
| 4496272 | Rotary arm-type unloader for bulk-storage bin An unloading apparatus comprises a housing vertically spaced from the port in the bin containing the material to be unloaded, a shaft defining and rotatable about an upright axis generally at the port, at least one arm extending at least generally radiall... | 01/29/1985 |
| 4487542 | Gastight high-rise silos This invention relates to the draining of bulk materials which are not spontaneously flowable, from a high-rise silo in which the bulk material is fed from the top layer of the bulk material at any instant, into a central gravity shaft having a bottom ext... | 12/11/1984 |
| 4353674 | Drag bucket apparatus for separating pieces of solid material from a liquid in a receiving tank A drag bucket apparatus for separating pieces of solid material from liquid in a rectangular receiving tank includes driven trolleys that move along the longitudinal tank walls to pull a drag bucket along the tank from a start end to a dump end. If the dr... | 10/12/1982 |
| 4248276 | Ice dispenser with anti-jamming means The spout of an ice dispenser has an anti-jamming rod. The auger motor causes the rod to move in the spout. A means is provided to stop the motor in response to interference with such movement of the rod.... | 02/03/1981 |
| 4236630 | Extensible telescopic coal bunker for subsurface mining A subsurface coal bunker operating to receive and discharge coal is structured with an assemblage of nested telescopic container members including one stationary member and a plurality of movable members, with the container members being formed in size in... | 12/02/1980 |
| 4161255 | Device for discharging materials lying upon a storage area For handling and more particularly for discharging materials lying in a pile upon a storage area like the bottom of a silo, a scraping element is driven into the pile of materials and the resisting force applied to said scraping element is measured. When ... | 07/17/1979 |
| 4083462 | Apparatus for discharging bulk material from storage tanks An apparatus for discharging bulk material from a storage tank includes a support shaft; an impeller wheel mounted on the support shaft in the vicinity of the storage tank floor; and a stepping mechanism for intermittently moving the impeller wheel in eit... | 04/11/1978 |
| 4082228 | Automatic bypass apparatus A waste materials handling system which includes materials transporting apparatus for conveying materials being processed to a processing device such as a shredder which is subject to unexpected and relatively sudden discontinuance of operation as by clog... | 04/04/1978 |
