Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7832668 | Twin-rotor beating bar crusher A twin-rotor impact bar crusher is provided for comminuting preferably limestone, marl, clay or similar materials. The impact bar crusher includes two rotors arranged horizontally parallel to one another and impact bars which are rigidly fastened to the circumferenc... | 11/16/2010 |
| 7229037 | Comminution apparatus These and other objects of the present invention are achieved by a comminution apparatus comprised of a housing member formed with co-planar circularly-shaped chambers in chordal juxtaposition to each other thereby forming a collision zone therebetween and wherein w... | 06/12/2007 |
| 7055769 | Collider A material collider having a pair of rotor assemblies respectively housed within a pair of interconnected cylindrical chambers with a plurality of disc members secured thereto, at least one thrust guide secured to the disc members and a weir secured to the inner per... | 06/06/2006 |
| 6953166 | Device and method for treating excavated material An apparatus suitable for treating mineral material, particularly excavated earth, has two rollers that rotate in opposite directions, on which a plurality of elements is disposed, the elements serving to transport and reduce the material in case its particle size i... | 10/11/2005 |
| 6896215 | Device for bale grouping and shredding of fodder and baled products A bale-grouping and shredding device includes at least a rotor (4) equipped with said discs whereof the periphery is smooth. The discs (12) are provided with cutting members in the form of sectioning pairs (11). The sectioning pairs are V-shaped... | 05/24/2005 |
| 6669125 | Solids reduction processor A processor for reducing solids from a predefined input size to a predefined output size is provided. The processor includes a base, an enclosed cylinder, a pair of rotor assemblies (each driven by its own motor) having a plurality of disk sets, the disk ... | 12/30/2003 |
| 6598813 | Cutting device, processing equipment, and cutting method An impacting body is mounted rotatably to a spindle provided on a principal plane of a rotor. The impacting body is mounted so that a predetermined fitting gap is provided between the impacting body and the spindle and a part of periphery of the impacting... | 07/29/2003 |
| 5954281 | Apparatus and process for pulverizing solids There is disclosed a pulverizing apparatus having paired interconnecting cylindrical chambers wherein each chamber is provided with a rotatable shaft having a plurality of disc sets mounted thereon and wherein each disc set is provided with pivotally moun... | 09/21/1999 |
| 5947396 | Collider A material collider system for reducing the size of solid particulate material fed into the system is disclosed. The collider system includes a pair of interconnected cylindrical chambers each having a rotatable rotor assembly which includes a plurality o... | 09/07/1999 |
| 5944268 | Multi-flail glass pulverizer The invention relates to a glass pulverizer 6 in which two rotatable flail assemblies 39 and 46 are housed within two contiguous drum-like housings 8 and 16 respectively. One housing 8 has an inlet 10 on one end and the other housing 16 has an outlet 20 l... | 08/31/1999 |
| 5941467 | System and method for reducing material A pulverizing system for reducing the size of material including a body, a pair of rotating members at least partially disposed within said body, and at least one impeller arm attached to each of said rotating members. The impeller arm attached to one of ... | 08/24/1999 |
| 5887809 | Clear-trajectory rotary-driven impact comminuter This invention relates to an apparatus for comminuting rock and other material and, in particular, to a rotary driven blade apparatus which comminutes rock, drilling materials and other material by impact rather than by grinding or crushing. More particul... | 03/30/1999 |
| 5697562 | Rock crusher A rock crusher comprises a pair of rotors spaced apart to define a throat therebetween and driven in opposite directions. Impactor bars on the rotors crush rock that is delivered to the rotors and passes the broken rock fragments through the throat. The r... | 12/16/1997 |
| 5558284 | Crushing apparatus Householders separate metal cans, plastic bottles, containers and similar items from other garbage. The crushing apparatus is carried on the recycling truck, and the driver tosses these items into the apparatus for crushing. The apparatus has a rotating c... | 09/24/1996 |
| 5544820 | Clear-trajectory rotary-driven impact comminuter This invention relates to an apparatus for comminuting rock and other material and, in particular, to a rotary driven blade apparatus which comminutes rock, drilling materials and other material by impact rather than by grinding or crushing. More particul... | 08/13/1996 |
| 5524839 | Impact roll crusher assembly An impact roll crusher for grinding up material, for example in mineral mining, employs a roll equipped with impact heads which co-operates with part of a conveyor transporting the material. The roll is rotatably mounted in a housing and a hood is connect... | 06/11/1996 |
| 5505391 | Straw shredding/dispersing apparatus Straw shredding/dispersing apparatus shreds straw or other shreddable material into small particles and disperses the particles over land. A conveyor feeds shreddable material through a door into a housing, and into a shredder in which three sets of flail... | 04/09/1996 |
| 5503339 | Comminuting machine with comb-like further comminuting structure The comminuting machine includes a housing provided with a rotary impact mechanism. A conveyor conveys infed material to the rotary impact mechanism which cooperates with an impact plate in disintegrating the infed material. A comb-like further comminutin... | 04/02/1996 |
| 5485964 | Method and apparatus for sorting plastic items A method of sorting plastic items by measuring the effect an item has on light directed at a stream of items from a light source, then selectively removing items from the stream based on a comparison of the light measured and the light emitted from the de... | 01/23/1996 |
| 5400977 | Pulverizer A pulverizing system which reduces the size of solid particulate material such as drill cuttings from a wellbore is disclosed. The pulverizing system includes a pair of interconnected cylindrical chambers with each chamber having a rotatable shaft with a ... | 03/28/1995 |
| 5009371 | Rotary disintegrating device A rotary disintegration apparatus comprises a housing with a central material input and a material outlet that is open underneath, an inner rotor fixed to a first shaft and an outer rotor fixed to a second shaft on the same axis that rotates in the opposi... | 04/23/1991 |
| 5002232 | Apparatus for shredding cans Apparatus and method of shredding cans to produce a shredded material suitable for detinning comprises a chamber having an apertured peripheral wall. A rotor is mounted in the chamber and is moved in contra rotation to the chamber. Cans to be shredded are... | 03/26/1991 |
| 4659025 | Disintegrator A disintegrator according to the invention comprises a milling chamber (1) accommodating rotors rotating in opposite directions relative to each other. The rotors comprise carrier discs (4, 11) and disintegrating wheels (6, 13) concentrically mounted ther... | 04/21/1987 |
| 4592516 | Coal breaker and sorter A device for breaking coal and for separating predetermined size coal particles and impurities therefrom. A supply of coal containing rock, shale and other impurities is dumped in a hopper through a top opening. A zigzag-shaped passageway extends from the... | 06/03/1986 |
| 4560207 | Method and apparatus for fragmenting asphalt A method and apparatus for laterally severing an asphalt layer to form a ribbon, separating the asphalt ribbon from an underlying base, elevating the separated asphalt ribbon, and fracturing the elevated asphalt ribbon by bending same. A cutting member ha... | 12/24/1985 |
| 4418872 | Feeder/crusher machine A feeder/crusher machine for use in underground coal or ore mines for receiving and crushing mined material and feeding the crushed product to a stationary conveyor in the mine material transport system. It comprises a tramming unit supporting a feeding a... | 12/06/1983 |
| 4378911 | Cage mill An improved design for a cage mill for disintegrating or reducing materials such as ore, grain, etc., consisting of a movable and a stationary portion for housing two cooperative rotatable cage assemblies mounted on coaxial shafts, and each having two row... | 04/05/1983 |
| 4340185 | Roll crusher for crushing lumpy material A roll crusher for crushing lumpy material particularly coal and other minerals comprises a conveyor trough having a trough bottom with a plurality of longitudinally extending laterally spaced chains trained to run over the trough bottom and move through ... | 07/20/1982 |
| 4269363 | Method and apparatus for regenerating and reactivating cement A method of regenerating and reactivating inactive cement is disclosed. The method is performed in a disintegrator which includes a pin mill having beating pins arranged on two parallel counterrotating grinding disks in concentric alternating rings of inc... | 05/26/1981 |
| 4265151 | Apparatus for removing long strands from chopped strand material Two horizontally spaced parallel shafts (27,28) are rotatably mounted on a base plate (24) having an aperture (27a) therethrough. Each shaft has a plurality of rows of radially extending fingers (36). A casing (38,40) around the fingered portions of the s... | 05/05/1981 |
| 4201346 | Device for crushing sinter and the like A device for crushing sinter and other material of like consistency is disclosed wherein the flow sinter material is deployed against an impact table which directs the sinter material downward onto a series of vertically disposed discs fixed to a common m... | 05/06/1980 |
| 4172561 | Mineral lump breaker A mineral lump breaker, for example for use in conjunction with a coal conveyor in a mine, comprises a breaker element and reaction means, for example in the form of a breaker plate or reaction discs. The breaker element and reaction means are carried by ... | 10/30/1979 |
| 4166583 | Hammermill Upper and lower rotors are offset in position, such as at an angle of 60°, between their centerlines, with the upper rotor having larger hammers and rotated at a lower speed than the lower rotor having smaller but a larger number of hammers. The feed is ... | 09/04/1979 |
| 4154407 | Reducing drum for the extraction of cellulosic matters A device for extracting cellulosic and similar materials such as rags, plastics, light metals and wood, which includes a drum which is driven in a first direction at a first speed and a rotor inside of the drum which is driven in a direction opposite to t... | 05/15/1979 |
| 4109690 | Chipper A chipping apparatus for producing chips from entire trees, branches, shrubs, and the like comprises a rotatable cylindrical drum having a plurality of finger-like blades projecting from the surface. An axially parallel cylindrical counter-blade, having r... | 08/29/1978 |
| 4082231 | Apparatus for grinding refuse In order to grind refuse, such as municipal waste, two horizontal rotating elements, each carrying a plurality of radiating swinging hammers pivotally attached to discs spaced from each other, are driven in meshing rotation within a housing, the lower inn... | 04/04/1978 |
| 4046325 | Apparatus for crushing rock, stone and like material Apparatus for crushing rock, stone and like material is described. The apparatus includes primary and secondary crushing chambers containing respectively a rotary impactor and a hammer mill. The apparatus can operate either in a wet mode or in a dry mode.... | 09/06/1977 |
| 4009834 | Method of operating breaker/crusher A method of operating a rotor-equipped breaker/crusher for coal and other material in which the drum is rotated at close to critical speed, and in which lifter shelves in the drum are adjusted for dropping material into the path of the rotor at a point wh... | 03/01/1977 |
| 3973735 | Apparatus for pulverizing and sorting municipal waste An apparatus and a method for processing municipal waste with increased processing capacity are provided. The apparatus includes at least a cylindrical screen having ridge projections on the inner surface thereof and a group of beaters mounted on a centra... | 08/10/1976 |
| 3931937 | Breaker/crusher A rotor-equipped breaker/crusher drum for coal and other material in which means are provided for rotating the drum at close to critical speed, and in which lifter shelves in the drum are adjusted for dropping material into the path of the rotor at a poin... | 01/13/1976 |
