RICKEY E. WARK

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 233
 
  
 
B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL 219
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 254
 
  
 
B04C APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES 112
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS173
 
  
 
F23D BURNERS 131

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6257415 Multi-outlet diffuser system for classifier conesNov 15, 99Jul 10, 01[B04C]
6004097 Coal mill exhauster fanSep 26, 97Dec 21, 99[F04D]
5957300 Classifier vane for coal millsSep 16, 97Sep 28, 99[B07B]
5873156 Coal pulverizer and method of improving flow thereinNov 01, 96Feb 23, 99[B02C, B23P]
5819947 Classifier cage for rotating mill pulverizersJan 29, 96Oct 13, 98[B07B]
5386619 Coal pulverizer and method of improving flow thereinOct 13, 93Feb 07, 95[B02C, B23P]
5215259 Replaceable insert burner nozzleAug 13, 91Jun 01, 93[F23D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6234090 Linear diffuser for balancing coal flowExpiredNov 03, 99May 22, 01[F23K]
6186079 Linear diffuser for balancing coal flowExpiredAug 31, 99Feb 13, 01[F23K]
6055914 Pre-riffle box mixing device for coal-fired power plantExpiredDec 09, 97May 02, 00[F23K]
5833126 Apparatus and method for resurfacing mill componentsExpiredSep 18, 96Nov 10, 98[B23K]
5363776 Exhauster inlet venturiExpiredAug 24, 93Nov 15, 94[F23K]
5310065 Self-cleaning coal bypass and debris separation grid assembly with rotary clearing mechanismExpiredMar 31, 92May 10, 94[B07C]
5186404 Adjustable flow rate device for rotating vane pulverizerExpiredAug 06, 91Feb 16, 93[B02C]
5133852 Coal sizing gridExpiredJul 30, 90Jul 28, 92[B07B]
5090631 Air flow rate control device for pulverizer vane wheelExpiredOct 15, 90Feb 25, 92[B02C]
4966689 Self-cleaning grate assemblyExpiredJan 13, 89Oct 30, 90[B07B]
4907751 Rotating throat for coal pulverizerExpiredOct 03, 88Mar 13, 90[B02C]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.