Ameren Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 122
 
  
 
E04G SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS121
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H04M TELEPHONIC COMMUNICATION 1162

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8851789 Systems and methods for venting gas in the event of an explosion in a space covered by a manhole coverOct 11, 11Oct 07, 14[E02D]
8282331 Method of remediating a contaminated waste siteSep 28, 09Oct 09, 12[E04G]
8128063 Erosion resistant power generation componentsApr 03, 08Mar 06, 12[F16K]
7926751 Systems and methods for grinding coal with secondary air bias and bowl pressure control loops and perforation platesSep 08, 08Apr 19, 11[B02C]
7312694 Capacitive couplers and methods for communicating data over an electrical power delivery systemMar 15, 04Dec 25, 07[H04M]
6327541 Electronic energy management systemJun 30, 98Dec 04, 01[G06F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0156,354 SYSTEM AND METHOD FOR CLEANING CATALYTIC CONVERTERAbandonedDec 13, 07Jul 03, 08[B08B, F16B]
6774803 Fault trip indicator and maintenance method for a circuit breakerExpiredMay 31, 02Aug 10, 04[G08B]

Top Inventors for This Owner

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