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Composite railway sleeper
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Patent number 10,590,610
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Issue date Mar 17, 2020
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GREENRAIL GROUP S.R.L.
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Giovanni Maria De Lisi
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
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Composite railway sleeper
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Patent number 9,695,554
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Issue date Jul 4, 2017
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GREENRAIL S.R.L.
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Giovanni Maria De Lisi
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
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Composite load bearing structure
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Patent number 5,722,589
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Issue date Mar 3, 1998
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Green Track Inc.
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Denis C. Richards
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
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Rail-tie fastening systems
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Patent number 5,165,599
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Issue date Nov 24, 1992
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Kerr-McGee Chemical Corporation
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S. Hudson Owen
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Rail-tie fastening systems
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Patent number 5,078,319
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Issue date Jan 7, 1992
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Kerr-McGee Chemical Corporation
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S. Hudson Owen
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Rail-tie fastening assembly
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Patent number 4,874,128
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Issue date Oct 17, 1989
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Kerr-McGee Chemical Corporation
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S. Hudson Owen
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
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Structure for fixing a rail to a tie
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Patent number 4,566,629
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Issue date Jan 28, 1986
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Sonneville International Corporation
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Roger P. Sonneville
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Synthetic railroad crosstie
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Patent number 4,083,491
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Issue date Apr 11, 1978
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The Dow Chemical Company
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Albert A. Hill
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Composite railroad tie
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Patent number 4,034,913
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Issue date Jul 12, 1977
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David K. Hooper
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Composite railway tie
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Patent number 3,994,436
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Issue date Nov 30, 1976
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Roger Paul Sonneville
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3658247
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Patent number 3,658,247
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Issue date Apr 25, 1972
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3550850
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Patent number 3,550,850
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Issue date Dec 29, 1970
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3371866
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Patent number 3,371,866
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Issue date Mar 5, 1968
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B28 - WORKING CEMENT, CLAY, OR STONE
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3313486
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Patent number 3,313,486
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Issue date Apr 11, 1967
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3190607
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Patent number 3,190,607
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Issue date Jun 22, 1965
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B28 - WORKING CEMENT, CLAY, OR STONE
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3039695
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Patent number 3,039,695
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Issue date Jun 19, 1962
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2904361
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Patent number 2,904,361
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Issue date Sep 15, 1959
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2678166
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Patent number 2,678,166
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Issue date May 11, 1954
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2656115
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Patent number 2,656,115
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Issue date Oct 20, 1953
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES