4FRONT ENGINEERED SOLUTIONS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E01D BRIDGES 441
 
  
 
E05D HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS, OR WINGS 1024
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 562
 
  
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 525
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 589
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 344
 
  
 
E06B FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES 342
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 243
 
  
 
A47H FURNISHINGS FOR WINDOWS OR DOORS 116
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9874214 Fan with fan blade mounting structureJan 28, 14Jan 23, 18[F04D]
9327922 Dock leveler sealing systemsJun 24, 15May 03, 16[B65G]
9212510 Sealing systems and associated devices for sealing loading dock doors and the likeJun 24, 13Dec 15, 15[E06B, E05D]
9073710 Dock leveler sealing systemsJul 19, 13Jul 07, 15[B65G]
8893764 Overhead door decelerators and associated devices, systems, and methodsAug 08, 12Nov 25, 14[E05D]
8869948 Wheel chocks and associated methods and systemsDec 01, 10Oct 28, 14[B60T, B65G]
8842000 Fire control systemsJul 17, 12Sep 23, 14[G08B]
8838279 Alternative power operation of loading docks and loading dock equipmentDec 16, 09Sep 16, 14[H02J, G06F, B65G]
8720112 Door leveling apparatuses and associated methods of manufacture and useApr 04, 11May 13, 14[E05F]
8510888 Dock leveler sealing systemsJan 03, 12Aug 20, 13[E01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0128,501 FAN BLADE TIPSAbandonedNov 22, 11May 24, 12[F01D]
2011/0203,059 LOADING DOCK LIGHTING SYSTEMS HAVING WARNING FEATURESAbandonedFeb 18, 11Aug 25, 11[H01K, B65G, E01D]
2009/0077,906 LOADING DOCK TRUCK SHELTERSAbandonedSep 24, 07Mar 26, 09[B65G, E04F, E04H]
2009/0045,649 OVER ROAD TRAILER DOOR HINGE GAP SEALSAbandonedAug 15, 07Feb 19, 09[B62D]
2007/0226,923 Vertically-storing dock leveler apparatus and methodAbandonedApr 10, 07Oct 04, 07[E01D]
2007/0017,043 Vertically-storing dock leveler apparatus and methodAbandonedSep 29, 06Jan 25, 07[E01D]
2006/0156,493 Vertically-storing dock leveler apparatus and methodAbandonedMar 09, 06Jul 20, 06[E01D]
6910239 Dock leveler having an inflatable memberExpiredMay 14, 04Jun 28, 05[E01D]
6711774 Dock leveler having an inflatable memberExpiredAug 16, 02Mar 30, 04[E01D]
6460212 Dock leveler having an inflatable memberExpiredDec 03, 01Oct 08, 02[E01D]
6317914 Dockleveler holdown mechanism and method for installing the sameExpiredSep 23, 99Nov 20, 01[E01D]
6170205 Dock seal and method of producing the sameExpiredNov 08, 99Jan 09, 01[E04C, E04H]
6119307 Overhead door with a plunger assembly having a wear indicator and improved panel constructionExpiredAug 07, 98Sep 19, 00[E05D]
6016637 Dock seal and method of producing the sameExpiredJun 12, 98Jan 25, 00[E04G]
5996156 Dock leveler raised by deflating an inflatable memberExpiredJun 08, 98Dec 07, 99[B65G]
5927368 Overhead door with a panel-carrier frame and replaceable panelsExpiredNov 26, 97Jul 27, 99[E05D]

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