CMI CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 240
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
B28C PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER 114
 
  
 
B67D DISPENSING, DELIVERING, OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR 141
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS123

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6446887 Portable medical waste plantApr 24, 00Sep 10, 02[B02C]
5588776 Paving machine having automatic metering screed controlJun 06, 95Dec 31, 96[E01K]
5383725 Asphalt/dust/rubber processing equipmentSep 20, 90Jan 24, 95[B28C, B01F]
5201839 Countercurrent drum mixer with second heat sourceSep 19, 91Apr 13, 93[B01F]
5190454 Electronic combustion control systemJul 15, 91Mar 02, 93[F27B]
5108010 Storage silo with improved material flowJun 27, 91Apr 28, 92[B67D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6267493 Drum mixer having a plurality of isolated aggregate transport channelsExpiredJun 02, 99Jul 31, 01[B28C]
6110430 Decontamination plant including an indirectly heated desorption systemExpiredApr 06, 98Aug 29, 00[B01D]
5881959 Materials grinder with infeed conveyor and anvilExpiredJan 11, 96Mar 16, 99[B02C]
5425923 Thermal soil remediation systemExpiredOct 27, 92Jun 20, 95[B01J]
5422485 Infrared breath analyzer with calibration provisions and related methodExpiredJul 09, 93Jun 06, 95[G01N, G01D]
5405212 Paving machine with drop-then-stop dowel bar insertionExpiredMar 07, 94Apr 11, 95[E01C]
5209563 Dust return systemExpiredOct 02, 89May 11, 93[B28C, B01F]
5157601 Method for estimating body alcohol concentrationExpiredJan 05, 90Oct 20, 92[G06F]
5000615 System for reclaiming and relaying pavement in placeExpiredJan 09, 90Mar 19, 91[E01C]
4995758 Center bar inserterExpiredJul 31, 89Feb 26, 91[E01C]
4989986 Double counter flow drum mixerExpiredMay 15, 89Feb 05, 91[B28C]
4982832 Ceramic tile conveyorExpiredFeb 13, 89Jan 08, 91[B65G]
4957221 Air tight storage siloExpiredJan 03, 89Sep 18, 90[B65D]
4957433 Drum baffleExpiredMay 15, 89Sep 18, 90[F27B]
4928890 Apparatus and method for producing cold mix asphaltExpiredJan 14, 85May 29, 90[B02C]
4917560 Twin bin self erect siloExpiredJan 19, 89Apr 17, 90[B65G]
4910540 Countercurrent asphalt drum dryer/mixerExpiredMay 12, 89Mar 20, 90[B28C]
4900186 Three-track zero clearance paverExpiredOct 31, 88Feb 13, 90[E01C]
4784216 Heating and/or drying apparatusExpiredSep 08, 86Nov 15, 88[F26B, F25B, E01C]
4700804 Seismic energy sourceExpiredDec 30, 85Oct 20, 87[G01V]

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