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Class Information
Number: 250/326
Name: Radiant energy > Corona irradiation > Charging of objects
Description: Subject matter wherein electrons or ions from the corona are deposited on an object resulting in a residual charge on the object.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8323751 Process for producing roller for electrophotography Dec. 4, 2012
8239061 Specific gravity monitoring and sorting system Aug. 7, 2012
8193495 Tool for dicorotron wire assembly removal and storage Jun. 5, 2012
8095037 Corona wire cartridge, corona discharger, and image forming apparatus using the corona discharger Jan. 10, 2012
7822355 Method and device to prevent dust agglomeration on corona electrodes Oct. 26, 2010
7763853 Dicorotron having adjustable wire height Jul. 27, 2010
7432504 Dicorotron wire assembly removal and storage tool Oct. 7, 2008
7420169 Dicorotron wire assembly removal-insertion tool Sep. 2, 2008
7397032 Nano-structure coated coronodes for low voltage charging devices Jul. 8, 2008
7398035 Nanostructure-based solid state charging device Jul. 8, 2008
7342227 Coating for the breakdown of corona effluents Mar. 11, 2008
7264752 Conductive coatings for corona generating devices Sep. 4, 2007
7157704 Corona discharge electrode and method of operating the same Jan. 2, 2007
6900436 Corona wire tensioning mechanism May. 31, 2005
6787774 Corotron comprising a fixing elements on supports, an assembly with a power supply unit and an assembly for replacing a corotron wire Sep. 7, 2004
6740878 System and method for automatically tensioning wires and for retaining tensioned wires under tension May. 25, 2004
6653638 Ion generating apparatus Nov. 25, 2003
6649916 Ion monitoring Nov. 18, 2003
6624413 Corona treatment apparatus with segmented electrode Sep. 23, 2003
6603121 High-efficiency plasma treatment of paper Aug. 5, 2003
6466688 Apparatus and method for detecting and identifying organisms, especially pathogens, using the aura signature of the organism Oct. 15, 2002
6459870 Corona cartridge for charging photoreceptors in high-speed electrophotographic applications Oct. 1, 2002
6429595 Multi-mode treater with internal air cooling system Aug. 6, 2002
6310344 Wire type corona charger for electrophotographical manufacturing of CRTs Oct. 30, 2001
6303933 Apparatus and method of attaching corona wire to corona charger housing Oct. 16, 2001
6294782 Corona charger with a serpentine strung corona wire Sep. 25, 2001
6070033 Charging device for an electrophotographic imaging forming system utilizing thin film conducting members May. 30, 2000
6060709 Apparatus and method for depositing uniform charge on a thin oxide semiconductor wafer May. 9, 2000
6032513 Apparatus and method for measuring contaminants in semiconductor processing chemicals Mar. 7, 2000
6025594 Support mounting for a pin array corona generating device Feb. 15, 2000
5907155 Constant DC offset coronode voltage tracking circuit May. 25, 1999
5887233 Photographic developing apparatus and electrifying apparatus Mar. 23, 1999
5796103 Charging device and design method thereof Aug. 18, 1998
5781829 Low noise charging system Jul. 14, 1998
5742051 Micro sized ion generating device Apr. 21, 1998
5723863 Ion charging apparatus with light blocking capability Mar. 3, 1998
5709579 Electrostatic charger and process therefor Jan. 20, 1998
5659176 Scanning corotron Aug. 19, 1997
5594247 Apparatus and method for depositing charge on a semiconductor wafer Jan. 14, 1997
5587584 Apparatus for charging a film on the internal surface of a drum Dec. 24, 1996
5539205 Corona generating device and method of fabricating Jul. 23, 1996
5519217 Apparatus for charging an organic photoconductive layer for a CRT May. 21, 1996
5466938 Corona discharge device Nov. 14, 1995
5466938 Corona discharge device Nov. 14, 1995
5440375 Corona discharger displacing mechanism and grid electrode positioning mechanism Aug. 8, 1995
5424540 Corona charger wire tensioning mechanism Jun. 13, 1995
5412213 Charger for performing a corona discharge May. 2, 1995
5407639 Method of manufacturing a corona discharge device Apr. 18, 1995
5324942 Tunable scorotron for depositing uniform charge potential Jun. 28, 1994
5272414 Discharge element, method of producing the same and apparatus comprising the same Dec. 21, 1993

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