British Railways Board

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

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 121

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5598782 Methods of railway track maintenanceNov 15, 94Feb 04, 97[E01B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5011077 RailwaysExpiredSep 18, 89Apr 30, 91[E01B]
4583464 Suspension arrangements for four-wheeled railway vehiclesExpiredOct 19, 84Apr 22, 86[B61F]
4442709 Measuring vehicles for roadwaysExpiredSep 01, 81Apr 17, 84[B60D, E01B]
4386570 Maintenance of railway trackExpiredNov 27, 81Jun 07, 83[E01B]
4353309 Motorized railway vehicle truckExpiredAug 08, 80Oct 12, 82[B61C]
4332201 Steering railway vehicle trucksExpiredMay 21, 79Jun 01, 82[B61F]
4262845 Concrete slab structure for railway trackExpiredMar 21, 79Apr 21, 81[E01B]
4247768 Vehicle velocity related measuring systemsExpiredNov 30, 78Jan 27, 81[G01D]
4216816 Aluminothermic welding of austenitic manganese steelExpiredNov 08, 78Aug 12, 80[B23K]
4215403 Active suspensions for vehiclesExpiredAug 23, 78Jul 29, 80[B60G, G05B]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.