Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8061524 | Device and method for transporting catalyst to a reactor vessel A device and method for transporting and handling catalyst for a chemical reactor. ... | 11/22/2011 |
| 7213617 | Airflow divider with shutoff An air divider having a shutoff plate for converting row spacing on a seeding implement. A reversible shutoff plate has a closed position wherein one end of the plate extends through a slot and completely blocks a leg of a Y-shaped output end of the divider. By reve... | 05/08/2007 |
| 7185766 | Skimmer A skimmer device and a method for skimming a liquid, foam, fat or other solid or liquid material or anything else that a user wants to remove or separate from a remaining liquid or solid that is left in a container. ... | 03/06/2007 |
| 7182206 | Screen energizer A screening system including a vibratory screen separator having a resiliently mounted frame with a low frequency vibratory drive coupled to that frame. A taut screen is rigidly mounted in the frame and a vibration transmitter assembly is resiliently mounted to the ... | 02/27/2007 |
| 7172705 | Skimmer A skimmer device and a method for skimming a liquid, foam, fat or other solid or liquid material or anything else that a user wants to remove or separate from a remaining liquid or solid that is left in a container. ... | 02/06/2007 |
| 7134556 | Portable ore washer A circular tray having an upper surface shaped to incline downwardly from a center to an outer circumference. The tray including annular grooves for collecting gold. A crank is connected to the tray for rotating the tray. The tray is supported with a stand having at... | 11/14/2006 |
| 7073188 | Electronic program guide using markup language An interactive television program guide is provided. Program guide display elements are arranged and styled using markup language documents. These markup language documents may also indicate and select program guide functions. The program guide interprets the markup... | 07/04/2006 |
| 6780002 | Spreader for wood chips, wood particle and sawdust At the end of an array of rollers of a spreading head for wood particles for the production of mats to form particleboard, rollers of the array are driven at a higher speed than the rollers of the fine-particle spreading portion and baffles are provided below the hi... | 08/24/2004 |
| 6755122 | Dischargeable storage device for distributing food over a surface A dischargeable storage device instantaneously moveable between a store position and a discharge position. The dischargeable storage device includes a deck having a pair of pivotable trap doors. Each door has a guide post. The dischargeable storage device has a plun... | 06/29/2004 |
| 6513739 | Powered four sifter assembly A flour sifter includes a sifter unit detachably supported on a stand that houses an electric motor and speed reducer. The speed reducer output shaft has a disconnectable connection with an agitator shaft that extends transversely within the sifter tube, ... | 02/04/2003 |
| 5772044 | Apparatus for concentrating fine or broken particles An apparatus is provided for concentrating fine or broken particles to separate a particle stream into at least one stream which is concentrated in fine or broken particles and at least one stream with a reduced concentration of fine or broken particles. ... | 06/30/1998 |
| 5414270 | Method and apparatus for the automatic inspection of cigarette rods for spots and stains A method of and apparatus for automatically inspecting cigarette rods for spots and stains are disclosed in which a hopper assembly apparatus is utilized to present cigarette samples one at a time to a CCD camera which takes an image of a 36 degree slice ... | 05/09/1995 |
| 5248344 | Method for cleaning, distributing and aerating grain An improved apparatus for cleaning, distributing and aereating grain is mounted in a storage structure and includes a frustro-conical screen device secured symetrically to an imperforate funnel-shaped member. A fan assembly is secured to the funnel-shaped... | 09/28/1993 |
| 5213216 | Vibratory sieve with screen and annular ring member thereon Disclosed is a vibratory sieve for separation of fibrous materials from materials containing them, the vibratory sieve comprising a sieve body and a mechanism for imparting vibration to the sieve, the sieve body including a screen to be vibrated by the me... | 05/25/1993 |
| 5123542 | Method and apparatus for cleaning, distributing and aerating grain An improved apparatus for cleaning, distributing and aereating grain is mounted in a storage structure and includes a frustro-conical screen device secured symetrically to an imperforate funnel-shaped member. A fan assembly is secured to the funnel-shaped... | 06/23/1992 |
| 5109760 | Cheese distributor The invention pertains to apparatus for evenly distributing food particles over a base food, and in particular is directed to apparatus for evenly distributing a predetermined quantity of cheese particles upon a pizza. The apparatus includes a conical scr... | 05/05/1992 |
| 4750997 | Grain cleaner and spreader A portable, collapsible grain cleaner and spreader apparatus is used to evenly spread and clean grain or similar crops as the grain is introduced into a storage structure. The grain cleaner and spreader apparatus comprises a vertically disposed grain rece... | 06/14/1988 |
| 4738774 | Spout line buster An apparatus for loading open top grain hopper rail cars and trucks which eliminates the buildup of a core of small material and grains directly beneath the load out spout. Also, the grain will not build up heat as easily with the core eliminated and a mo... | 04/19/1988 |
| 4572782 | Loading device for granular material A device for loading granular material containing some foreign matter into a container, such as a railroad car, has upper and lower chutes arranged in parallel. The upper chute has a bottom screen for allowing the foreign matter to fall through to the low... | 02/25/1986 |
| 4534858 | Sifter A sifter has a casing that is detachably coupled with a screen unit that also has a casing. A sifter handle is configured for detachable coupling to a conventional electric knife drive.... | 08/13/1985 |
| 4465592 | Vibrating conveyor for delivering a stream of green pellets of even thickness A vibrating conveyor for delivering a stream of green pellets having a predetermined average diameter to a conveying surface of a wide belt conveyor. The vibrating conveyor has a vibrating deck having a discharge edge and conveys the green pellets along a... | 08/14/1984 |
| 4409096 | Control systems for material treatment plant A control system of particulate material treatment plant comprising screening means which produces undersize and oversize fractions and which is controllable to vary one size fraction relatively to the other size fraction, preparation or dense medium wash... | 10/11/1983 |
| 4400268 | Arrangement for piling a bulky material having different grain sizes An arrangement for piling a bulky material of different grain sizes has one central and two lateral passages, a guiding element located upstream of the passages and arranged to guide a flow of a bulky material toward the lateral passages, and grate elemen... | 08/23/1983 |
| 4288314 | Apparatus for separating adhering dried fruits and the like An apparatus for separating clumps of adherent dried fruits or the like, the apparatus having a pair of planar friction members mounted in downwardly convergent, facing relation for independent elevational movements to receive clumps of fruit therebetween... | 09/08/1981 |
| 4271011 | Flour sifter A flour sifter has an upright cylinder within the interior of which a screen is disposed generally transversely to cooperate with an agitator movable over the screen to effect the sifting of flour therethrough. Affixed across the lower end of the cylinder... | 06/02/1981 |
| 4031005 | Controllable sorbent broadcaster A device which can efficiently broadcast oil sorbent materials at a contred rate, uniformly over an oil slick for the purpose of removing the oil from the water's surface. The device comprises a rotating cylinder of wire mesh having a moving endless belt... | 06/21/1977 |
