PRECISION RAIL AND MFG., INC.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B61K OTHER AUXILIARY EQUIPMENT FOR RAILWAYS 76
 
  
 
B60T VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL 271
 
  
 
B61H BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES; ARRANGEMENTS OR DIS-POSITIONS OF BRAKES OR OTHER RETARDING APPARATUS IN RAIL VEHICLES 115
 
  
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 121
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 190

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0258,972 Systems for Retarding the Speed of a RailcarNov 26, 14Sep 17, 15[B61H, B60T]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9862368 Systems for retarding the speed of a railcarNov 26, 14Jan 09, 18[B61K, B61H, B60T, F16D]
9260120 Devices, systems and methods for engaging and disengaging railcar wheels and for controlling travel of railcarJul 03, 13Feb 16, 16[B61K]
8899385 Systems for retarding the speed of a railcarMay 27, 11Dec 02, 14[B61K]
8499900 Electro-hydraulic railcar retarders for controlling the speed of a railcarJan 07, 09Aug 06, 13[B61K]
8485105 Devices and systems for stopping travel of a railcarMar 26, 10Jul 16, 13[B61K]
8485107 Devices and systems for controlling travel of a railcarNov 14, 11Jul 16, 13[B61K]
8079309 Devices and systems for controlling travel of a railcarOct 08, 08Dec 20, 11[B61K]
7530432 Bladder-actuated railroad retarderApr 05, 06May 12, 09[B61K]
7140698 Hydraulic control and operation system for a railroad car retarderJul 01, 04Nov 28, 06[B60T]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7392887 Bladder actuator for a railroad retarderExpiredApr 12, 05Jul 01, 08[F16D]
7325567 Pneumatic retarder acutator valveExpiredJul 08, 04Feb 05, 08[F16K]
7306077 Fail-safe, weight-responsive skate retarderExpiredMay 19, 05Dec 11, 07[B61K]

Top Inventors for This Owner

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