Wahlco, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133
 
  
 
C01C AMMONIA; CYANOGEN; COMPOUNDS THEREOF 113

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9586831 Urea to ammonia processJun 09, 14Mar 07, 17[C01C, B01J, B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5582802 Catalytic sulfur trioxide flue gas conditioningExpiredJul 05, 94Dec 10, 96[F01N]
5540755 Catalytic sulfur trioxide flue gas conditioningExpiredSep 12, 95Jul 30, 96[B03C]
5538539 Catalytic sulfur trioxide flue gas conditioningExpiredJan 20, 95Jul 23, 96[B03C]
5524557 Catalytic sulfur trioxide flue gas conditioningExpiredDec 05, 94Jun 11, 96[F23J]
5008628 Measurement of electrical resistivity of particulate entrained in a gas streamExpiredJun 05, 89Apr 16, 91[G01R]
4573638 Injection probeExpiredJun 15, 84Mar 04, 86[B05B]
4400662 Method and apparatus for energizing an electrostatic precipitatorExpiredNov 04, 81Aug 23, 83[B03C, G05B]

Top Inventors for This Owner

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