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| Number | Title | Issue Date |
| 7147109 | Sieve device for screening solid material The present invention relates to a sieve device for screening at least two solid substances preferably different from each other comprising at least one sieve module (1), comprising at least two sieve devices (2), comprising at least one fitting (3 | 12/12/2006 |
| 7043470 | Method and apparatus for improving querying In a method of improving querying, a plurality of items of information are transformed into a plurality of vectors, where each item of information of the plurality of items of information is mapped to a respective vector of said plurality of vectors. A plurality of ... | 05/09/2006 |
| 6929393 | Asphalt production plant An asphalt production plant includes an asphalt binder storage tank, a mixer for mixing asphalt binder and aggregate materials, an asphalt binder pumping system for conveying asphalt binder to the mixer and an asphalt binder metering system for controlling the rate ... | 08/16/2005 |
| 6925857 | Method of determining an average length of reinforcing fiber in a sample of reinforcing fibers A method of determining an average length of reinforcing fiber in a sample of reinforcing fibers is disclosed. A sample of reinforcing fibers is weighed to obtain a total sample weight. The sample of reinforcing fibers is placed in a fiber separating mechanism and s... | 08/09/2005 |
| 6922411 | Networked computer telephony system driven by web-based applications A networked telephony system and method allow users to deploy on the Internet computer telephony applications associated with designated telephone numbers. The telephony application is easily created by a user in XML (Extensible Markup Language) with predefined tele... | 07/26/2005 |
| 6891808 | Spanning tree bridge and route change method using the same A controller changes a blocked port to a forwarding state when a link down or change of the representative bridge is detected and a receiving port of a bridge settled in the root bridge is a blocked port. When the bridge itself is not settled in a root bridge, a tra... | 05/10/2005 |
| 6581780 | Automatic gradation unit A system for controlling the operation of an item of equipment for processing materials to produce a product which includes aggregate materials of various particle sizes in a predetermined weight ratio includes a sampling device for obtaining a sample of ... | 06/24/2003 |
| 6575303 | Processing a product including aggregate materials and a volatile component A system for controlling the operation of a first item of equipment for processing materials in connection with the production of a product which includes aggregate materials and a volatile component includes an oven, a gradation assembly having a plurali... | 06/10/2003 |
| 5564823 | Method and apparatus for separation and volume measurement of components for lightweight concrete A method and apparatus to simplify the measurement of lightweight concrete components and to recycle waste materials that result from lightweight concrete block manufacture. The method involves separating coarse and fine components of the waste. The appar... | 10/15/1996 |
| 5429248 | Grain processor A grain processor for separating and measuring components of a sample of grain as it passes through a rotary sieve having two or more sieving sections having different perforations so that selective separation is made on the basis of the size of the parti... | 07/04/1995 |
| 5222605 | Automatic particle size analyzer using stacked sieves The size ranges of particles separated on a stack of sieves of different mesh sizes is measured automatically. The stack is clamped together and shaken as a unit to separate the respective fractions, following which the sieves are sequentially separated f... | 06/29/1993 |
| 5205418 | Screen for the sifting of materials of differing weight Screen for the sifting of materials of differing weight, in which at least part of the screening orifices is covered by elastic diaphragms formed by lamellae.... | 04/27/1993 |
| 5181618 | Apparatus for clearing the weigh pan of a particle size analyzer An apparatus for automatically removing particulate matter from a weighing pan of a particle-size analyzer. The apparatus includes a weighing pan having a hinged door to provide a discharge outlet for the particular matter and a wiper blade assembly for c... | 01/26/1993 |
| 5181616 | Grain processor A grain processor for separating and measuring components of a sample of grain as it passes through a rotary sieve having two or more sieving sections having different perforations. The separated particles in each of the sieving sections are passed throug... | 01/26/1993 |
| 5082553 | Concrete aggregate collecting apparatus An aggregate collecting apparatus. A meter which measures the gross weight of the rotary drum is linked to the speed change gear for the rotary drum in such a manner as to be operationally connectable therewith so that the speed of rotation of the drum ca... | 01/21/1992 |
| 5059310 | Analytical sieve apparatus A vertical set of sieves receives the particulate material from a vibrating trough conveyor above the set and is vibrated by an agitator on the machine frame. The sieves are spread apart and then tilted to dump the collected particles into respective funn... | 10/22/1991 |
| 4785761 | Mobile seed cleaning apparatus A mobile seed cleaning and/or separating apparatus has a wheeled, self-propelled chassis mounting a plurality of cleaning and/or separating stations. The stations are interconnected by conveyors which transport the seed through the apparatus. The cleaning... | 11/22/1988 |
| 4702826 | Screen cleaner for particle size analyzer Disclosed is a device for sequentially cleaning the screens of a particle size analyzer of the indexing drum type, as each screen moves out of the screening position. The cleaning member is preferably removed from the drum during each screening step. The ... | 10/27/1987 |
| 4588091 | Method and apparatus to determine quality of particulate material An apparatus for the measurement of the quality parameters of granular materials includes a loader assembly which delivers precise volume samples of granular material to a meter assembly which measures the moisture content. The apparatus also includes a s... | 05/13/1986 |
| 4465591 | Method and apparatus for treating waste paper The invention relates to a method of treating waste paper, wherein the waste paper is steeped, under certain circumstances chemically treated at the same time, and is thereafter adjusted to a lower substance density and sorted. Furthermore the invention r... | 08/14/1984 |
| 4203832 | Device for separating heavier impurities from solid bodies in fluid flow A device for separating heavier inpurities from solid bodies in a fluid flow comprising a trough-like casing accommodating a horizontal rotatable drum with a screen cylindrical side wall and groove-like elements move the impurities in the rotating drum to... | 05/20/1980 |
