LEONARDI MANUFACTURING CO., INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A01G HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS, OR SEAWEED; FORESTRY; WATERING 1319
 
  
 
A01D HARVESTING; MOWING338
 
  
 
B27C PLANING, DRILLING, MILLING, TURNING, OR UNIVERSAL MACHINES 310
 
  
 
B27G ACCESSORY MACHINES OR APPARATUS; TOOLS 212
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING138
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 1153

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0332,614 Various Improvements to Stump Cutting Tool DiscsJul 28, 14Nov 13, 14[B02C, A01G]
2013/0180,625 STUMP CUTTING TOOTH ASSEMBLYMar 06, 13Jul 18, 13[A01G]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9861042 Stump cutting tooth assemblyMar 06, 13Jan 09, 18[A01G]
9743594 Wood chip collection systemFeb 18, 14Aug 29, 17[B02C, A01G]
9137954 Stump grinding tooth assemblyMay 07, 08Sep 22, 15[A01G, B27G, B23D]
8789566 Various improvements to stump cutting tool discsMar 02, 10Jul 29, 14[B27C]
8678052 Wood chip collection systemJul 14, 08Mar 25, 14[B27M, A01G]
8672001 Tooth assembly and cutting bits for stump grinderAug 19, 09Mar 18, 14[B27C]
8584717 Stump cutting tooth assemblyOct 29, 07Nov 19, 13[A01G]
8408258 Shock absorbing system for stump grinding apparatusOct 29, 07Apr 02, 13[A01G]
8186135 Electrically-powered combination lawn mower, trimmer and edgerJun 28, 10May 29, 12[A01D]
6550504 Stump grinding wheelNov 03, 00Apr 22, 03[A01G]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5048278 Rotary cutting member for use with lawn mowers and the likeExpiredSep 18, 89Sep 17, 91[A01D]
4962635 Apparatus for trimming lawns and the likeExpiredOct 17, 89Oct 16, 90[A01D]
4962630 Rotary cutting member with flexible filaments for use with lawnmowers and the likeExpiredMay 26, 88Oct 16, 90[A01D]
D309903 Housing for lawn trimmers or the likeExpiredFeb 05, 88Aug 14, 90[]
D309311 Lawn mower housing or the likeExpiredNov 23, 88Jul 17, 90[]
4909024 Apparatus for trimming lawnsExpiredFeb 14, 89Mar 20, 90[A01D]
4905465 Rotary cutting member for use with lawn mowers and the likeExpiredMay 08, 89Mar 06, 90[B26B, A01D]
4894980 Apparatus for trimming lawns and the likeExpiredApr 29, 88Jan 23, 90[A01D]
4854115 Apparatus for cutting grass and the likeExpiredSep 16, 88Aug 08, 89[A01D]

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