TRINITY RAIL GROUP, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B61D BODY DETAILS OR KINDS OF RAILWAY VEHICLES 521
 
  
 
B61G COUPLINGS SPECIALLY ADAPTED FOR RAILWAY VEHICLES; DRAUGHT OR BUFFING APPLIANCES SPECIALLY ADAPTED FOR RAILWAY VEHICLES216
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
B61F RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES, ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING; WHEELS GUARDS; OBSTRUCTION REMOVERS OR THE LIKE 121
 
  
 
B61L GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC 125
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 144
 
  
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 121
 
  
 
G07C TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS, OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE 146

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0022,366 SECURE STORAGE BOX FOR AUTORACK CARJul 18, 17Jan 25, 18[B61L, G07C, B61D]
2018/0001,910 RAILCAR SAFETY APPLIANCESJun 01, 17Jan 04, 18[B61D]
2018/0001,911 RAILCAR SAFETY APPLIANCESJun 01, 17Jan 04, 18[B61D]
2018/0001,915 RAILCAR WELDING TECHNIQUEJun 30, 17Jan 04, 18[B23K, B61F, E01B, C21D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6129227 Lightweight knuckle for a railroad car couplerApr 22, 96Oct 10, 00[B61G]
6062406 Pivot pin and retention clip assembly for a railroad car couplerMar 26, 98May 16, 00[B61G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2018/0001,908 RAILCAR SAFETY APPLIANCESAbandonedJun 01, 17Jan 04, 18[B61D]
5954212 Lightweight knuckle for a railroad car couplerExpiredJan 20, 98Sep 21, 99[B61G]
5507400 Slackless drawbar or coupler with swivel mountingExpiredJun 01, 94Apr 16, 96[B61G]
5139161 Automatic actuator for coupler knuckle-assembly of a railway passenger carExpiredApr 25, 91Aug 18, 92[B61G]
5131548 Slackless, resilient drawbar system for a railway carExpiredMay 23, 91Jul 21, 92[B61G]

Top Inventors for This Owner

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