WHITEMAN INDUSTRIES, INC., AN IDAHO CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E01C CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR 128

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5816740 Hydraulically controlled steering for power trowelJan 23, 97Oct 06, 98[E01C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5550333 Reduced noise trailerable engineExpiredJan 10, 95Aug 27, 96[F01N]
RE34505 Motar mixing drumExpiredSep 09, 91Jan 11, 94[B28C]
5118198 Cement mixing apparatus with cradle support assemblyExpiredJun 07, 90Jun 02, 92[B28C]
4943264 Centrifugal clutch with belt tightening spacer assemblyExpiredNov 02, 89Jul 24, 90[F16H]
4895277 Foot operated mortar drum latch assemblyExpiredFeb 03, 89Jan 23, 90[B28C, B01F, B67D]
4878779 Riding power trowelExpiredFeb 03, 89Nov 07, 89[E01C]
4877327 Mortar mixing drumExpiredFeb 27, 89Oct 31, 89[B28C]
4850723 Bearing and seal assembly for motor mixerExpiredFeb 03, 89Jul 25, 89[B28C, F16C, B01F]
4811617 Unidirectional to bidirectional angular displacement conversion apparatusExpiredFeb 01, 88Mar 14, 89[F16H]
4743221 Centrifugal clutch belt tightening assemblyExpiredMar 20, 87May 10, 88[F16H]
4527351 Levitated ball toyExpiredNov 25, 81Jul 09, 85[A63H]
4473221 Paper feeding rollerExpiredSep 11, 81Sep 25, 84[B65H]
4312603 Twin trowel cement finishing machineExpiredJun 13, 80Jan 26, 82[E01C]

Top Inventors for This Owner

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