Assignee
FOSTER CO L B
US·18 granted patents·2 pending applications·176 citations·filing 1974–2025
Top patents by PatentIndex Score
20 records- 0182US4126007ACompaction of soilFOSTER CO L B·Filed 1977·Granted Nov 21, 1978·53 cites·29 claims
- 0274US10519610B2Apparatus and method for rail head improvementFOSTER CO L B·Filed 2017·Granted Dec 31, 2019·1 cites·4 claims
- 0370US12060089B2Spraying apparatus for applying friction modifying material to railroad railFOSTER CO L B·Filed 2020·Granted Aug 13, 2024·1 cites·18 claims
- 0469US6494008B1Dual section sound wall panel and method of manufactureFOSTER CO L B·Filed 2001·Granted Dec 17, 2002·23 cites·31 claims
- 0557US3958613ATree and stump extractionFOSTER CO L B·Filed 1974·Granted May 25, 1976·17 cites·8 claims
- 0655US11795627B2High-resilient special trackwork rail fastenerFOSTER CO L B·Filed 2020·Granted Oct 24, 2023·0 cites·22 claims
- 0755US5971669AMechnically stabilized retaining wall system having adjustable connection means for connecting precast concrete facing panels theretoFOSTER CO L B·Filed 1998·Granted Oct 26, 1999·17 cites·21 claims
- 0852US6420014B1Z-shaped sheet pilingFOSTER CO L B·Filed 1999·Granted Jul 16, 2002·28 cites·9 claims
- 0947US10753047B2Direct fixation fastenerFOSTER CO L B·Filed 2017·Granted Aug 25, 2020·0 cites·16 claims
- 1047US2025237020A1High resilient direct fixation fastener in standard footprintFOSTER CO L B·Filed 2025·Application pending·0 cites
- 1146US12139857B2Curved insulated rail joint bar and methods for making sameFOSTER CO L B·Filed 2020·Granted Nov 12, 2024·0 cites·20 claims
- 1245US11639584B2Composite rail joint end postFOSTER CO L B·Filed 2018·Granted May 2, 2023·0 cites·14 claims
- 1343US2017299476A1Automatic fluid sampling system with confirmation feedbackFOSTER CO L B·Filed 2017·Application pending·0 cites
- 1440USD616791SRailroad tie hybrid extender/conductor rail support insulatorFOSTER CO L B·Filed 2009·Granted Jun 1, 2010·5 cites·1 claims
- 1539USD756844SCurve blockFOSTER CO L B·Filed 2013·Granted May 24, 2016·5 cites·1 claims
- 1639US4265401AAdjustable guard rail structuresFOSTER CO L B·Filed 1979·Granted May 5, 1981·13 cites·6 claims
- 1736US4252444AApparatus for agitating liquidsFOSTER CO L B·Filed 1978·Granted Feb 24, 1981·8 cites·2 claims
- 1834US9891144B2Fluid sampler with confirmation feedbackFOSTER CO L B·Filed 2016·Granted Feb 13, 2018·0 cites·2 claims
- 1931US4061196AResilient yoke mountings for vibratory pile drivers and extractorsFOSTER CO L B·Filed 1976·Granted Dec 6, 1977·5 cites·7 claims
- 2028USD897896SDirect fixation fastenerFOSTER CO L B·Filed 2019·Granted Oct 6, 2020·0 cites·1 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →