KNIGHT INDUSTRIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B66D CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS 318
 
  
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 220
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 190

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6138574 Overhead trolley--rail system for conveyorsJun 26, 98Oct 31, 00[E01B]
5784965 Interlock mechanism for an overhead trackway systemApr 16, 97Jul 28, 98[E01B]
5772184 Load support mounted control arrangement for fluid pressure operated hoistMay 12, 97Jun 30, 98[B66D]
5593138 Air balancing hoist combinationJun 14, 95Jan 14, 97[B66D]
5553832 Safety device for an air balancing hoistAug 02, 94Sep 10, 96[F16D, B66D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5921368 Linked carrier gravity conveyorExpiredFeb 25, 97Jul 13, 99[B65G]
5915840 Linear guideway arrangementExpiredOct 20, 94Jun 29, 99[F16C]
5771816 Lift tableExpiredOct 26, 94Jun 30, 98[A47B]
5649491 Tilt tableExpiredDec 13, 95Jul 22, 97[A47F]
5644821 Arrangement for attachment of a stop element to a hoist cable or chainExpiredJun 07, 95Jul 08, 97[F16G]
5645180 Floor mounted rotatable jib craneExpiredOct 26, 94Jul 08, 97[B66C]
5611522 Hydraulically actuated portable hoistExpiredApr 01, 96Mar 18, 97[F01B, B66D]
5598785 Hanger bracket for track railsExpiredNov 06, 95Feb 04, 97[E01B]
5590756 Gravity conveyor with returnExpiredJul 05, 95Jan 07, 97[B65G]
5549192 Return mechanism for gravity conveyorExpiredJan 31, 95Aug 27, 96[B65G]
5511492 Tilt tableExpiredOct 26, 94Apr 30, 96[A47F]
5492306 Air balance hoist with load position indicatorExpiredMar 21, 94Feb 20, 96[B66D]
4842277 Multi-purpose batonExpiredMay 20, 87Jun 27, 89[A63B]

Top Inventors for This Owner

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