RICHWOOD INDUSTRIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 1255
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3117
 
  
 
C08H DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS 312
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 2100
 
  
 
E04C STRUCTURAL ELEMENTS; BUILDING MATERIALS 224
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197
 
  
 
1205 ELEVATORS AND HOISTS FOR LOADING OR CONVEYING118

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9670003 Snub idler for conveyorMay 20, 16Jun 06, 17[B65G]
9611101 Return belt tracking idler for conveyor belt systemFeb 24, 16Apr 04, 17[B65G]
9415946 Replaceable blade for reversible belt scraperFeb 20, 14Aug 16, 16[B65G]
8556064 Double edged belt scraper bladeMay 21, 10Oct 15, 13[B65G]
D543002 Tread pattern for pulley laggingFeb 14, 06May 15, 07[1205]
D524009 Scalper blade for a conveyor belt cleanerDec 17, 04Jun 27, 06[]
7051862 Conveyor belt cleaner assembly including scalper bladeDec 17, 04May 30, 06[B65G]
7004304 Conveyor belt cleaner assembly including adjustment mechanismDec 17, 04Feb 28, 06[B65G]
6991088 Conveyor belt cleaner assembly including blade support assemblyDec 17, 04Jan 31, 06[B65G]
6695123 Conveyor belt cleaner bladeDec 19, 02Feb 24, 04[B65G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6928944 Protective bumper for towboatsExpiredAug 28, 03Aug 16, 05[B63B]
5267642 Skirt board and impact saddle assembly for conveyor beltsExpiredOct 15, 92Dec 07, 93[B65G]
5140086 Isocyanate modified cellulose products and method for their manufactureExpiredNov 27, 90Aug 18, 92[C08H, C08G, B32B]
5090870 Method for fluent mass surface texturing a turbine vaneExpiredOct 20, 89Feb 25, 92[B24B, F01D]
5038924 Impact saddle for conveyor beltsExpiredOct 09, 90Aug 13, 91[B65G]
4969553 Belt scraper with gear adjustmentExpiredFeb 08, 90Nov 13, 90[B65G]
4696388 Conveyor belt scraper blade assembly with contoured surfaceExpiredDec 03, 85Sep 29, 87[B65G]
4402394 Conveyor belt scraperExpiredJul 27, 81Sep 06, 83[B65G]
4215776 Belt conveyor idlerExpiredNov 10, 77Aug 05, 80[B65G]

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