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Grooved rail
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Patent number 7,648,079
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Issue date Jan 19, 2010
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Thyssenkrupp GfT Gleistechnik GmbH
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Joachim Suess
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3756508
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Patent number 3,756,508
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Issue date Sep 4, 1973
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3089650
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Patent number 3,089,650
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Issue date May 14, 1963
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1719986
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Patent number 1,719,986
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Issue date Jul 9, 1929
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1499597
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Patent number 1,499,597
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Issue date Jul 1, 1924
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1343001
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Patent number 1,343,001
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Issue date Jun 8, 1920
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1260150
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Patent number 1,260,150
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Issue date Mar 19, 1918
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1104923
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Patent number 1,104,923
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Issue date Jul 28, 1914
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1091323
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Patent number 1,091,323
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Issue date Mar 24, 1914
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1089631
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Patent number 1,089,631
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Issue date Mar 10, 1914
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1077236
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Patent number 1,077,236
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Issue date Oct 28, 1913
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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920758
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Patent number 920,758
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Issue date May 4, 1909
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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652767
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Patent number 652,767
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Issue date Jul 3, 1900
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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565045
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Patent number 565,045
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Issue date Aug 4, 1896
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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535608
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Patent number 535,608
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Issue date Mar 12, 1895
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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517075
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Patent number 517,075
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Issue date Mar 27, 1894
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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498074
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Patent number 498,074
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Issue date May 23, 1893
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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497562
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Patent number 497,562
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Issue date May 16, 1893
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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496555
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Patent number 496,555
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Issue date May 2, 1893
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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495986
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Patent number 495,986
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Issue date Apr 25, 1893
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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486211
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Patent number 486,211
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Issue date Nov 15, 1892
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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482805
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Patent number 482,805
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Issue date Sep 20, 1892
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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477675
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Patent number 477,675
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Issue date Jun 28, 1892
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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466612
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Patent number 466,612
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Issue date Jan 5, 1892
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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427291
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Patent number 427,291
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Issue date May 6, 1890
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES