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Class Information
Number: 209/589
Name: Classifying, separating, and assorting solids > Sorting special items, and certain methods and apparatus (e.g., pocket type and light responsive sorting, etc.) for sorting any items > Condition responsive means controls separating means > Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct thereof > X-ray or gamma ray
Description: Methods and apparatus utilizing X-ray or gamma ray radiation.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8610019 Methods for sorting materials Dec. 17, 2013
8464875 Apparatus for analysing a security document Jun. 18, 2013
8399790 Methods and systems for recovering alluvial gold Mar. 19, 2013
8171610 Recycling system and disassembling and classifying method May. 8, 2012
7899153 Automated x-ray fluorescence analysis Mar. 1, 2011
7763820 Sorting pieces of material based on photonic emissions resulting from multiple sources of stimuli Jul. 27, 2010
7737379 System and method for sorting larvae cocoons Jun. 15, 2010
7290666 Method and apparatus for sorting article Nov. 6, 2007
7170970 Fluorescent X-ray analysis method and fluorescent X-ray analysis apparatus Jan. 30, 2007
7170023 System and method for processing mail Jan. 30, 2007
7143000 Computer-assisted method for calculating the temperature of a solid body Nov. 28, 2006
7099433 Method and apparatus for sorting materials according to relative composition Aug. 29, 2006
7071437 System for detecting the presence of harmful materials in an incoming mail stream Jul. 4, 2006
6812426 Automatic reject unit spacer and diverter Nov. 2, 2004
6778681 Analysis and presentation of internal features of logs Aug. 17, 2004
6653588 Auto reject unit Nov. 25, 2003
6324253 Tablet inspection apparatus Nov. 27, 2001
6233051 Measurement apparatus for measuring internal quality of object May. 15, 2001
6137581 Measurement apparatus for measuring internal quality of object Oct. 24, 2000
6122343 Method and an apparatus for analyzing a material Sep. 19, 2000
6096991 Method of and apparatus for sorting a particulate material Aug. 1, 2000
RE36537 Method and apparatus for sorting materials using electromagnetic sensing Feb. 1, 2000
5936255 X-ray, neutron or electron diffraction method using an imaging plate and apparatus therefor Aug. 10, 1999
5794788 Method and device for sorting materials Aug. 18, 1998
5738224 Method and apparatus for the separation of materials using penetrating electromagnetic radiation Apr. 14, 1998
5667079 Automated multi-grade wastepaper recycle center sorting system Sep. 16, 1997
5628410 Classifying or sorting May. 13, 1997
5603414 Detecting diamonds in a rock sample Feb. 18, 1997
5564573 Process and apparatus for the machine sorting of sawn timber according to strength Oct. 15, 1996
5518124 Method and apparatus for the separation of materials using penetrating electromagnetic radiation May. 21, 1996
5505313 Method and apparatus for detecting diamonds in a plurality of objects Apr. 9, 1996
5464973 Device for identifying an object by means of an insert incorporated into that object Nov. 7, 1995
5416330 Radiation monitoring system for containers, livestock, and foodstuff May. 16, 1995
5414195 System and method for on-line monitoring and control of heavy metal contamination in soil washing process May. 9, 1995
5339962 Method and apparatus for sorting materials using electromagnetic sensing Aug. 23, 1994
5314072 Sorting plastic bottles for recycling May. 24, 1994
5260576 Method and apparatus for the separation of materials using penetrating electromagnetic radiation Nov. 9, 1993
5236092 Method of an apparatus for X-radiation sorting of raw materials Aug. 17, 1993
5206699 Sensing a narrow frequency band of radiation and gemstones Apr. 27, 1993
5193685 Gemstone sorting apparatus and methods Mar. 16, 1993
5149175 Thin seam mining and related sorting method Sep. 22, 1992
5141110 Method for sorting plastic articles Aug. 25, 1992
5076502 System for discriminating radiation-contaminated fragments and apparatus for measuring radioactivity of fragments Dec. 31, 1991
5067616 Methods of discriminating between contaminated and uncontaminated containers Nov. 26, 1991
5002072 Cigarette manufacture Mar. 26, 1991
4884696 Method and apparatus for automatically inspecting and classifying different objects Dec. 5, 1989
4858771 Particle distributing and sorting method and apparatus Aug. 22, 1989
4858768 Method for discrimination between contaminated and uncontaminated containers Aug. 22, 1989
4848590 Apparatus for the multisorting of scrap metals by x-ray analysis Jul. 18, 1989
4830193 Gold ore sorting May. 16, 1989

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