Herzog Contracting Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 913
 
  
 
B61D BODY DETAILS OR KINDS OF RAILWAY VEHICLES 620
 
  
 
B61L GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC 224
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 265
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 2103
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 282
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
B60P VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS 137
 
  
 
E02F DREDGING; SOIL-SHIFTING 144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9676397 Clamp assemblyMar 11, 14Jun 13, 17[B61D, B60P, E01B]
8607712 System for guiding rails on a rail trainFeb 09, 11Dec 17, 13[B61D, E01B]
8590454 Clamp assemblyJan 11, 11Nov 26, 13[E01B]
8181577 Rail trainAug 21, 09May 22, 12[E01B]
8096384 Safety line anchorDec 11, 08Jan 17, 12[E06C]
7765935 Rail threading mechanismDec 15, 08Aug 03, 10[E01B]
7707943 Self-propelled rail unloading machineDec 19, 06May 04, 10[E01B]
7707944 Method and apparatus for applying railway ballastDec 04, 06May 04, 10[B61L, E01B]
7437997 Method for delivering replacement rail ties using GPS techniquesMar 20, 08Oct 21, 08[E01B]
7152347 Method and apparatus for applying railway ballastJun 17, 04Dec 26, 06[E02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0145,032 RAIL TRAINAbandonedFeb 21, 12Jun 14, 12[E01B]
2010/0107,925 METHOD AND APPARATUS FOR APPLYING RAILWAY BALLASTAbandonedJan 14, 10May 06, 10[B61D, G01C, E01B]
2009/0193,950 Automatic Rail SawAbandonedApr 08, 09Aug 06, 09[B27B]
2005/0235,864 Method for delivering replacement rail ties using GPS techniquesAbandonedApr 22, 04Oct 27, 05[E01B]
2005/0223,833 Transmission with top mounted shift mechanismAbandonedMar 31, 04Oct 13, 05[F16H]
2005/0216,142 Logistics System and Method With Position ControlAbandonedMay 26, 05Sep 29, 05[G06F]
2004/0015,275 Automatic control system for trainsAbandonedJul 18, 02Jan 22, 04[G06F]
2003/0205,162 Railway maintenance machine with multiple function capabilityAbandonedMay 01, 02Nov 06, 03[E01B]
6561742 Loading and unloading apparatus for railcarsExpiredJun 17, 99May 13, 03[B65G]
5628606 Loading/unloading apparatus for railroad carsExpiredFeb 20, 96May 13, 97[B65G]
5386727 Dynamic rail longitudinal stress measuring systemExpiredMar 03, 93Feb 07, 95[G01N]
5289780 Material handling railroad freightcar-mounted gantry and crane with toppling prevention and supplemental support upon derailmentExpiredDec 03, 92Mar 01, 94[B61F]
5275506 Perforated drainpipe for railway decksExpiredJan 08, 93Jan 04, 94[E02B]
5191723 Apparatus and method for recovering spent lime for use as a nutritional flowing agent for poultry and animal feedsExpiredJan 09, 91Mar 09, 93[F26B]
4921732 Railroad tie service vehicle and method for spray application of a preservativeExpiredMay 31, 88May 01, 90[B05D]
4190394 Method for loading and unloading railroad carsExpiredApr 28, 78Feb 26, 80[B65G]

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