L. B. FOSTER COMPANY

Patent Owner

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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 517
 
  
 
1203 LOCOMOTIVES AND ROLLING STOCK FOR RAILWAYS AND ALL OTHER RAIL VEHICLES45
 
  
 
B60M POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES 29
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 122
 
  
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 129
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0016,754 DIRECT FIXATION FASTENERJul 12, 17Jan 18, 18[E01B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9891144 Fluid sampler with confirmation feedbackOct 14, 16Feb 13, 18[G01N]
9670623 Stray current resistant direct fixation fastenerSep 04, 14Jun 06, 17[E01B]
9505419 Signal bond plateDec 27, 12Nov 29, 16[B61L, B60M]
D756844 Curve blockMar 15, 13May 24, 16[1203]
9238419 Conductor railDec 30, 10Jan 19, 16[B60M]
9004372 Dual hardness bonded direct fixation fastenerAug 29, 12Apr 14, 15[E01B]
8985476 Rail cover and clip system for embedded track systemsApr 05, 12Mar 24, 15[E01B]
D724490 Third rail bracket and coverboardAug 04, 10Mar 17, 15[1203]
D702596 Third rail bracketJan 13, 12Apr 15, 14[1203]
8070073 Composite rail joint end postFeb 25, 10Dec 06, 11[E01B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6420014 Z-shaped sheet pilingExpiredDec 28, 99Jul 16, 02[E04C, E02D, B32B]
5595034 Grid assembly with improved form pan for use in grid reinforced concrete decks and method of manufacturing sameExpiredFeb 22, 95Jan 21, 97[E04F]
4773590 Separated end post jointExpiredMar 30, 87Sep 27, 88[E01B]
4265401 Adjustable guard rail structuresExpiredMar 09, 79May 05, 81[E01B]
4252444 Apparatus for agitating liquidsExpiredAug 28, 78Feb 24, 81[B01F]

Top Inventors for This Owner

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