PROMETRON TECHNICS CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8652437 Method of manufacturing artificial zeoliteExpiredAug 03, 07Feb 18, 14[C01B]
8568687 Method of manufacturing solid acid catalystExpiredJun 27, 06Oct 29, 13[C01B]
2009/0032,138 Vacuum attachment for rotary toolAbandonedAug 03, 07Feb 05, 09[B27G]
6745707 Method of disposing of combustible materialsExpiredJan 06, 03Jun 08, 04[F23B]
6520098 Apparatus and method for disposing of dam dirtExpiredSep 29, 00Feb 18, 03[F23G]
5992446 Stopper system for vessel orificeExpiredJun 24, 97Nov 30, 99[F16L]
5857888 Method of manufacturing a plasma torch eletrodeExpiredOct 28, 96Jan 12, 99[B23K]
5008002 Process for producing mold used for obtaining press molded glass articleExpiredJan 19, 90Apr 16, 91[C23C, B05D]

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