ERTH Technologies, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B04B CENTRIFUGES 126

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5944648 Concentric tubular centrifugeOct 14, 97Aug 31, 99[B04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7531148 Oxidation reactorExpiredMar 13, 07May 12, 09[B04B, B01J, B01D]
2008/0009,401 CENTRIFUGEAbandonedJul 09, 07Jan 10, 08[B01D]
7241256 CentrifugeExpiredApr 21, 06Jul 10, 07[B04B]
7189196 Method of separating materials with a concentric tubular centrifugeExpiredNov 26, 03Mar 13, 07[B04B]
6966874 Concentric tubular centrifugeExpiredApr 06, 01Nov 22, 05[B04B]
2005/0054,507 Concentric tubular centrifugeAbandonedAug 30, 04Mar 10, 05[B04B]
6808481 Concentric tubular centrifugeExpiredNov 06, 00Oct 26, 04[B04B]
6142924 Concentric tubular centrifugeExpiredApr 23, 99Nov 07, 00[B04B]

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