HARPER INDUSTRIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
A01D HARVESTING; MOWING141
 
 
 
E01H STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; CLEANING LAND; DISPERSING FOG IN GENERAL 118

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7,191,485 Lawn waste sweeper with recirculating airstreamApr 05, 04Mar 20, 07[E01H]
5,161,353 Slope mower with improved blade housing floatationAug 21, 91Nov 10, 92[A01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6,099,227 Telescoping flat bed gripping and lift assemblyExpiredDec 08, 98Aug 08, 00[B66F]
5,934,578 Rotary drum bale cutter with reprocessing chamberExpiredFeb 09, 98Aug 10, 99[B02C]
5,588,325 Auxiliary power take off assembly and methodExpiredMay 30, 95Dec 31, 96[F16H, B60K]
5,368,238 Adjustable rotary drum bale cutter apparatus and methodExpiredOct 25, 93Nov 29, 94[B02C]
5,340,042 Reciprocating blade bale cutterExpiredJun 01, 93Aug 23, 94[B02C]
5,085,042 Slope mower with rear drive assemblyExpiredJan 25, 91Feb 04, 92[A01D]
5,038,868 Ground cultivatorExpiredMay 07, 90Aug 13, 91[A01B]
5,012,631 Bale wrapperExpiredDec 27, 89May 07, 91[B65B]
4,971,504 Bale pickup transfer and stacking apparatusExpiredSep 29, 89Nov 20, 90[B60P, A01D]
4,869,054 Slope mower with side framesExpiredNov 24, 87Sep 26, 89[A01D]
4,707,971 Slope mowerExpiredApr 21, 86Nov 24, 87[B60R, A01D]
4,621,776 Round bale handlerExpiredMar 22, 85Nov 11, 86[B02C]
4,594,041 Truck bed bale liftExpiredJan 22, 85Jun 10, 86[B65H]
4,519,325 Grain drill suspension systemExpiredNov 08, 82May 28, 85[A01C]
4,411,572 Bale transfer carrierExpiredAug 20, 81Oct 25, 83[A01D]

Top Inventors for This Owner

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