...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 |
| 7438507 | Method and device for the transportation of pulverulent filling material through a line A method of transporting pulverulent filling material through at least one line. The method comprises opening a chamber-like line region located in the at least one line, introducing the pulverulent filling material into the chamber-like line region, closing the cha... | 10/21/2008 |
| 7413388 | Method and apparatus for pneumatically conveying bulk material which does not flow readily The invention relates to a method and an apparatus for pneumatically conveying bulk material which does not flow readily, in which: bulk material is metered by means of one or more input device(s) (8) into a lateral conveyor... | 08/19/2008 |
| 7318484 | Self servicing fire extinguisher with external operated internal mixing with wide mouth and external pressurized canister Improvements to a portable fire extinguisher where the improvements relate to a system where the owner of the extinguisher can service and maintain their fire protection. Systems in place today require the servicing of a third party. The service companies (third par... | 01/15/2008 |
| 7128163 | Self servicing fire extinguisher with external operated internal mixing with wide mouth and external COchamber Improvements to a portable fire extinguisher are disclosed. The improvements allow for frequent and simpler untrained and automatic self servicing of a fire extinguisher. The improvements include an anti-bridging mechanism that can be articulated from the exterior o... | 10/31/2006 |
| 7090441 | Insulation installation system An insulation installation system including: a supply of material having discrete elements and a self-contained applicator. In the preferred embodiment of the invention, the insulation installation system further includes a work platform. The self-contained applicat... | 08/15/2006 |
| 6890129 | Dried product discharge system A system for discharging dried product, particularly for drying filters, drying units and the like, comprising, on a container for treating and containing a dried product, a discharge hole that is controlled by a discharge valve, interposed on a pneumatic circuit su... | 05/10/2005 |
| 6742679 | Drop plate feeder A rotary plate feeder valve for use in pressurized pneumatic conveying systems. The valve comprises a rotary plate that is fed from a central inlet and discharges through a central outlet located immediately below the inlet. Located over the outlet discharge and wit... | 06/01/2004 |
| 6561691 | Method and apparatus for the distribution of ice An ice delivery system includes an ice bin with an ice maker thereon. An auger dispenses ice from the bin and agitators within the bin prevent blockage. The agitation may follow a pattern depending on the location of the agitators with some about the peri... | 05/13/2003 |
| 6183169 | Precision dispensing of ultra-fines via a gas medium A dispensing apparatus for the dispensing of ultra-fine particles on a dry basis in a reproducible manner. The apparatus includes a first gas-solids suspension chamber having particle fluidization means adapted thereto, and a conduit adapted between the f... | 02/06/2001 |
| 6123486 | Apparatus for metering bulk material An apparatus, which is intended for metering bulk materials, has a rotatable cell wheel (9) and a stirrer (2), arranged above the latter, and operates reliably even in the case of very sluggishly flowing bulk materials, in particular with small metering c... | 09/26/2000 |
| 6113003 | Compressed air duster with rotatable agitator A hand-held compressed air duster apparatus comprises a pressurizable vessel for containing a fine particulate dusting material. The vessel has an upper shoulder provided with a sealable top opening, in which a hand pump is mounted and sealably connected ... | 09/05/2000 |
| 5947645 | Fiber dispensing system A fiber dispensing system for storing and delivering fibrous material includes a housing for receiving and storing the fibrous material. The housing has an activatable dispensing mechanism for selectively dispensing the fibrous material from the housing. ... | 09/07/1999 |
| 5931610 | Fiber dispensing system A fiber dispensing system for storing and delivering fibrous material includes a housing for receiving and storing the fibrous material and shapes supporting the housing. The housing has an activatable dispensing mechanism for selectively dispensing the f... | 08/03/1999 |
| 5829649 | Apparatus for conditioning and dispensing loose fill insulation material A machine for conditioning and dispensing loose fill insulation material, such as cellulosic insulation, fiber glass insulation and rock wool insulation. The machine includes a hopper, a conditioning chamber, an air lock and a blower for pneumatically dis... | 11/03/1998 |
| 5669740 | Bark mulch handling and spreading apparatus A bark mulch handling and spreading apparatus includes a platform adapted to be mounted on a mobile chassis, a receiving and conveying unit mounted on the platform having a hopper for receiving bark mulch and an auger along the bottom of the hopper for co... | 09/23/1997 |
| 5647696 | Loose material combining and depositing apparatus An apparatus for depositing loose materials, such as insulation or fireproofing in worksite areas, may be used for depositing a single or premixed loose material. Alternatively, the apparatus may be used both for combining two constituent loose materials ... | 07/15/1997 |
| 5645379 | Material flow and air-quality protection, in a particulate-material gun usable with silica fume A rotary feed structure for a gunite-conveying machine includes a polymeric body to resist sticking of gunite even if the latter includes silica fume, and even if it has set. The body has chambers in a circle. Preferably the body is urethane, self-bonded ... | 07/08/1997 |
| 5590984 | Method and system for installing loose insulation In a method and a system for installing loose insulation, loose wool is transported, in compacted state and packed in e.g. filled bags (12), to the site where the insulation operation is to be performed and where loose wool (11) received from the bags is ... | 01/07/1997 |
| 5529247 | Method and apparatus for dispersing and metering fibers A device for dispersing and metering fibers which includes a frame, a hopper mounted on the frame and having an inlet opening for receiving fibers therein. A screen is provided through which the fibers from the inlet opening must pass for separating any e... | 06/25/1996 |
| 5407139 | Method and apparatus for dispersing and metering fibers A device for dispersing and metering fibers which includes a frame, and a hopper mounted on the frame and having an inlet opening for receiving fibers therein. A screen is provided through which the fibers from the inlet opening must pass for separating a... | 04/18/1995 |
| 5403128 | Insulation spraying system A fully integrated insulation spraying system with an insulation spraying subsystem for spraying wet or dry insulation and a fiber recovery subsystem for recycling waste insulation fibers and reintegrating them into the spraying process for more efficient... | 04/04/1995 |
| 5190082 | Method and apparatus for filling duvets and the like A method and apparatus for simultaneously filling separate compartments of a duvet by pneumatically fluidizing material from a drum with pulsed jets of air using a venturi effect.... | 03/02/1993 |
| 5114281 | Machine for blowing thermal insulation A machine for blowing loose thermal insulation into cavities in the walls, ceilings, and floors of buildings is contained within a smooth box-like housing that is easily moved about within a house on its own wheels and is easily transported to and from a ... | 05/19/1992 |
| 5104230 | Device for metering pulverulent materials The invention is in a pneumatic powder ejector comprising a suction stage and an injection stage. The suction stage includes a suction chamber (16), a venturi (14) communicating a primary gas to the suction chamber and a lateral suction input (18) offset ... | 04/14/1992 |
| 4978252 | Material feeding apparatus using pressurized air A feeder apparatus is provided for delivery of insulation material or the like using pressurized air, particularly where such material is relatively light and fluffy and/or delivered at a low rate. The feeder apparatus includes a hopper and a chute. The h... | 12/18/1990 |
| 4944637 | Valved seed outlet A valved seed outlet is disclosed for use in a seed apparatus for dispensing fluffy or hairy coated seed that is prone to bridging. The valve seed outlet is mounted in an opening of a storage container and comprises mounting structure for mounting the out... | 07/31/1990 |
| 4917546 | Solids fluidizer-injector An apparatus and process for fluidizing solid particles by causing rotary motion of the solid particles in a fluidizing chamber by a plurality of rotating projections extending from a rotatable cylinder end wall interacting with a plurality of fixed proje... | 04/17/1990 |
| 4903419 | Method of and apparatus for dredging sludge in high density A method of and apparatus for continuously dredging sludge deposited on an underwater bed, at a high density of the sludge, according to which digging and scooping devices are placed in an airtight hood opened at its bottom, which is applied on the intend... | 02/27/1990 |
| 4808042 | Powder feeder A powder feeder for dispensing controlled amounts of powder into a gas stream in a supersonic plasma spraying environment utilizes a stir spindle and a feed impeller mounted on a rotatable first drive shaft at the bottom of a powder cannister to agitate a... | 02/28/1989 |
| 4746250 | Device for introducing a dosed quantity of powder into a carrier gas stream An apparatus for the dosed incorporated of a dustlike substance into a carrier gas stream is described; said apparatus operates on the basis of a perforated disc which rotates in the dust, the passage holes of said disc are filled with the dust and are bl... | 05/24/1988 |
| 4661046 | Manure vacuum wagon power assist auger Apparatus for removing manure from a manure pit or lagoon comprises an elongate screw-type auger having an inlet end which is inserted into the manure, and a suction hose from a vacuum wagon connected to the auger outlet. The combined action of the mechan... | 04/28/1987 |
| 4610574 | Catalyst feeding system An apparatus is provided for introducing a mixture of dry catalyst and a hydrocarbon liquid into a polymerization reactor vessel. The apparatus comprises a enclosed mixing tank with rotating mixing blades and a rotatable shot valve spaced below the mixing... | 09/09/1986 |
| 4560307 | Insulation blower A hopper cylindrical about a vertical axis has an agitator with blades rotating near the bottom of the hopper, not only to agitate insulation but also to move it through a hopper outlet opening into an airlock having a horizontal shaft and radially spaced... | 12/24/1985 |
| 4522340 | Granular material applicator with speed compensator The specification discloses an applicator (10) for precisely dispensing granular materials, such as herbicides, pesticides and the like, with improved control while compensating for the speed and travel direction of the implement carrying the applicator. ... | 06/11/1985 |
| 4436458 | Liquid-solid contacting apparatus An apparatus for uniformly, downwardly moving in a vessel a compact bed of solid particles in contact with a liquid. Within the vessel there is provided a rotatable lower disc which has a radially extending opening for the passage of solids therethrough. ... | 03/13/1984 |
| 4386719 | Constant feed apparatus A constant feed apparatus in which a straight tubular housing into which a material is fed has provided therein at least one rotary arm which rotates in the proximity of the bottom surface of the tubular housing, and at least one discharging port is provi... | 06/07/1983 |
| 4287725 | Ice transport and dispensing system An apparatus for transferring ice cubes and the like from a first location to a remote second location, the apparatus including a conduit system communicating the two locations and a source of air for causing ice to be moved through the conduit system bet... | 09/08/1981 |
| 4227835 | Apparatus for the metered supply of powder to a powder processing unit Powder is fed from a container into a continuous annular groove on a rotating metering plate. A doctor member ensures that the powder is correctly filled into the groove. The powder is then sucked out of the groove after the plate has rotated through a ce... | 10/14/1980 |
| 4195954 | Mechanical aerator for suction nozzle In a nozzle assembly for vacuum unloading of dry, bulk, particulate material, one or more mechanical aerators are mounted on horizontal axes with a scraper positioned intermediate the aerators. Dry bulk particulate material is mechanically aerated, by the... | 04/01/1980 |
| 4167235 | Loose fill dispensing and storage system A storage, shipping and dispensing system for loose fill packaging material comprises a collapsible pliant, vented cylindrical bag having an upper and a lower end including a dispensing apertured neck. Rings are circumferentially spaced apart about the ba... | 09/11/1979 |