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Electrophotography

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
399130000 IMAGE FORMATION 3855
399038000 CONTROL OF ELECTROPHOTOGRAPHY PROCESS 2133
399107000 HAVING PARTICULAR STRUCTURE 1327
399009000 DIAGNOSTICS 1046
399091000 INTERNAL MACHINE ENVIRONMENT 691
399361000 DOCUMENT HANDLING 683
399075000 MACHINE OPERATION 470
399343000 CLEANING OF IMAGING SURFACE 333
399008000 REMOTE MONITORING 34
399127000 SUPPLEMENTAL ELECTROPHOTOGRAPHIC PROCESS 30
399001000 COMBINED WITH DIVERSE SUBJECT MATTER 8

Patent applications in class Electrophotography

Patent applications in all subclasses Electrophotography