-
Gauge plate insulator
-
Patent number 12,037,750
-
Issue date Jul 16, 2024
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Koppers Delaware, Inc.
-
Steven D. Singleton
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
-
-
-
Center supported bond joint
-
Patent number 11,041,274
-
Issue date Jun 22, 2021
-
Koppers Delaware, Inc.
-
W. Thomas Urmson
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
-
Anti-rail rollover device
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Patent number D885977
-
Issue date Jun 2, 2020
-
Koppers Delaware, Inc.
-
Steven D. Singleton
-
D12 - Transportation
-
Single bend rail
-
Patent number 9,328,464
-
Issue date May 3, 2016
-
Koppers Delaware, Inc.
-
William Thomas Urmson
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
Modular insulated tie plate
-
Patent number 9,103,074
-
Issue date Aug 11, 2015
-
Koppers Delaware, Inc.
-
William Thomas Urmson
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
-
Lap joint
-
Patent number 8,777,121
-
Issue date Jul 15, 2014
-
Koppers Delaware, Inc.
-
W. Thomas Urmson
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
-
-
Lap joint
-
Patent number 8,113,441
-
Issue date Feb 14, 2012
-
Koppers Delaware, Inc.
-
W. Thomas Urmson, Jr.
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
Notched tie plate insulator
-
Patent number 8,042,747
-
Issue date Oct 25, 2011
-
Koppers Delaware, Inc.
-
John W. Mospan
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
-
-
-
Rail Brace Assembly
-
Publication number 20240167231
-
Publication date May 23, 2024
-
KOPPERS DELAWARE, INC.
-
Steven D. Singleton
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
-
End Post Gap Fill Assembly
-
Publication number 20230110305
-
Publication date Apr 13, 2023
-
KOPPERS DELAWARE, INC.
-
Steven D. Singleton
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
-
-
-
Gauge Plate Insulator
-
Publication number 20210148058
-
Publication date May 20, 2021
-
KOPPERS DELAWARE, INC.
-
Steven D. Singleton
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
-
-
Gauge Plate
-
Publication number 20180320323
-
Publication date Nov 8, 2018
-
KOPPERS DELAWARE, INC.
-
Steven D. Singleton
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
Center Supported Bond Joint
-
Publication number 20180119362
-
Publication date May 3, 2018
-
KOPPERS DELAWARE, INC.
-
W. Thomas Urmson
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
Center Supported Bond Joint
-
Publication number 20120223151
-
Publication date Sep 6, 2012
-
KOPPERS DELAWARE, INC.
-
W. Thomas Urmson, JR.
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
Lap Joint
-
Publication number 20120111958
-
Publication date May 10, 2012
-
KOPPERS DELAWARE, INC.
-
W. Thomas Urmson, JR.
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
97604262 - CPRO WATERBORNE CARBON COATING
-
Serial number 97604262
-
Filing date Sep 23, 2022
-
Koppers Delaware, Inc.
-
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
-
97573318 - C-PRO
-
Serial number 97573318
-
Filing date Aug 31, 2022
-
Koppers Delaware, Inc.
-
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
-
90865105 - KOPPERS
-
Serial number 90865105
-
Registration number 7147818
-
Filing date Aug 4, 2021
-
Koppers Delaware, Inc.
-
37 - Building construction
-
90864962 - KOPPERS
-
Serial number 90864962
-
Registration number 7102876
-
Filing date Aug 4, 2021
-
Koppers Delaware, Inc.
-
37 - Building construction
-
-
87927669 - KOPPERS
-
Serial number 87927669
-
Registration number 6217110
-
Filing date May 18, 2018
-
Koppers Delaware, Inc.
-
44 - Medical services
-
87927672 - KOPPERS
-
Serial number 87927672
-
Registration number 5846519
-
Filing date May 18, 2018
-
Koppers Delaware, Inc.
-
39 - Transport
-
87927704 - KOPPERS
-
Serial number 87927704
-
Registration number 6119486
-
Filing date May 18, 2018
-
Koppers Delaware, Inc.
-
35 - Advertising
-
87927719 - KOPPERS
-
Serial number 87927719
-
Registration number 6217112
-
Filing date May 18, 2018
-
Koppers Delaware, Inc.
-
37 - Building construction
-
87927683 - KOPPERS
-
Serial number 87927683
-
Registration number 6014231
-
Filing date May 18, 2018
-
Koppers Delaware, Inc.
-
42 - Scientific and technological services and research and design relating thereto
-
87927699 - KOPPERS
-
Serial number 87927699
-
Registration number 5846521
-
Filing date May 18, 2018
-
Koppers Delaware, Inc.
-
39 - Transport
-
87927695 - KOPPERS
-
Serial number 87927695
-
Registration number 6037730
-
Filing date May 18, 2018
-
Koppers Delaware, Inc.
-
44 - Medical services
-
87927716 - KOPPERS
-
Serial number 87927716
-
Registration number 6329181
-
Filing date May 18, 2018
-
Koppers Delaware, Inc.
-
42 - Scientific and technological services and research and design relating thereto
-
87927676 - KOPPERS
-
Serial number 87927676
-
Registration number 5846520
-
Filing date May 18, 2018
-
Koppers Delaware, Inc.
-
19 - Building materials (non-metallic)
-
87927690 - KOPPERS
-
Serial number 87927690
-
Registration number 6217111
-
Filing date May 18, 2018
-
Koppers Delaware, Inc.
-
37 - Building construction
-
87927694 - KOPPERS
-
Serial number 87927694
-
Registration number 6008563
-
Filing date May 18, 2018
-
Koppers Delaware, Inc.
-
35 - Advertising
-
87927723 - KOPPERS
-
Serial number 87927723
-
Registration number 5846522
-
Filing date May 18, 2018
-
Koppers Delaware, Inc.
-
19 - Building materials (non-metallic)
-
-
86958263 - SAP
-
Serial number 86958263
-
Filing date Mar 30, 2016
-
Koppers Delaware, Inc.
-
6 - Common metals and their alloys
-
86260379 - CENTER LINER
-
Serial number 86260379
-
Registration number 4774423
-
Filing date Apr 23, 2014
-
Koppers Delaware, Inc.
-
6 - Common metals and their alloys
-
85673152 - KOPPERS
-
Serial number 85673152
-
Registration number 4409596
-
Filing date Jul 10, 2012
-
Koppers Delaware, Inc.
-
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
-
78711856 - KFOAM
-
Serial number 78711856
-
Registration number 3313879
-
Filing date Sep 13, 2005
-
Koppers Delaware, Inc.
-
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
-
78611936 - KOPPERS
-
Serial number 78611936
-
Registration number 3156761
-
Filing date Apr 19, 2005
-
Koppers Industries of Delaware, Inc.
-
40 - Treatment of materials
-
76504825 - KOPPERS
-
Serial number 76504825
-
Registration number 3085821
-
Filing date Apr 7, 2003
-
Koppers Industries of Delaware, Inc.
-
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
-
85656371 - KOPPERS
-
Koppers Delaware, Inc.
-
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes