SHIVVERS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A01C PLANTING; SOWING; FERTILISING 129

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6923389 Uniform grain spreaderAug 27, 02Aug 02, 05[A01C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5784867 Variable force traction enhance systemsExpiredOct 03, 95Jul 28, 98[B60K]
5279376 Force neutralizing mechanism for a single lever controlExpiredApr 27, 92Jan 18, 94[B60K, B62D]
5131483 Single lever controlExpiredJan 28, 91Jul 21, 92[B60K, B62D]
5092819 Method and apparatus for qualitatively measuring characteristics of grain to be harvestedExpiredMay 17, 90Mar 03, 92[A01F]
4896506 Transmission with integrated gear reductionExpiredNov 18, 87Jan 30, 90[F16D]
4845949 Parking brake for integrated transmissionExpiredNov 18, 87Jul 11, 89[F16D]
4843817 Integrated hydraulic transmissionExpiredNov 18, 87Jul 04, 89[F16D]
4750273 Computer controlled grain dryingExpiredJul 14, 86Jun 14, 88[F26B]
4599809 Grain dryer systemExpiredSep 13, 84Jul 15, 86[F26B]

Top Inventors for This Owner

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