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Sperling Railway Services, Inc.
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Canton, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for retrieving and placing tie plates
Patent number
12,084,816
Issue date
Sep 10, 2024
Sperling Railway Services, Inc.
Fred S. Sperling
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Method and apparatus for retrieving and placing tie plates
Patent number
11,982,057
Issue date
May 14, 2024
Sperling Railway Services, Inc.
Fred S. Sperling
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Method and apparatus for retrieving and placing tie plates
Patent number
11,015,298
Issue date
May 25, 2021
Sperling Railway Services, Inc.
Fred S. Sperling
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Method and apparatus for retrieving and placing tie plates
Patent number
11,015,299
Issue date
May 25, 2021
Sperling Railway Services, Inc.
Fred S. Sperling
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Method and apparatus for retrieving and placing tie plates
Patent number
10,982,394
Issue date
Apr 20, 2021
Sperling Railway Services, Inc.
Fred S. Sperling
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Method and apparatus for retrieving and placing tie plates
Patent number
8,220,397
Issue date
Jul 17, 2012
Sperling Railway Services, Inc.
Fred S. Sperling
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Railway scrap recovery vehicle
Patent number
7,926,426
Issue date
Apr 19, 2011
Sperling Railway Services, Inc.
Fred S. Sperling
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Device for removing metallic objects from a railway bed
Patent number
7,244,089
Issue date
Jul 17, 2007
Sperling Railway Services, Inc.
Fred S. Sperling
B61 - RAILWAYS
Information
Patent Grant
Hopper door assembly and method for feeding bulk metal objects from...
Patent number
6,622,849
Issue date
Sep 23, 2003
Sperling Railway Services, Inc.
Fred S. Sperling
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR RETRIEVING AND PLACE TIE PLATES
Publication number
20210087753
Publication date
Mar 25, 2021
Sperling Railway Services, Inc.
Fred S. Sperling
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
METHOD AND APPARATUS FOR RETRIEVING AND PLACING TIE PLATES
Publication number
20200131714
Publication date
Apr 30, 2020
Sperling Railway Services, Inc.
Fred S. Sperling
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
METHOD AND APPARATUS FOR RETRIEVING AND PLACING TIE PLATES
Publication number
20200131715
Publication date
Apr 30, 2020
Sperling Railway Services, Inc.
Fred S. Sperling
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
METHOD AND APPARATUS FOR RETRIEVING AND PLACING TIE PLATES
Publication number
20200131713
Publication date
Apr 30, 2020
Sperling Railway Services, Inc.
Fred S. Sperling
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
METHOD AND APPARATUS FOR RETRIEVING AND PLACING TIE PLATES
Publication number
20110308058
Publication date
Dec 22, 2011
Sperling Railway Services, Inc.
FRED S. SPERLING
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
METHOD AND APPARATUS FOR CUTTING RAILROAD RAILS
Publication number
20110132226
Publication date
Jun 9, 2011
Sperling Railway Services, Inc.
Fred S. Sperling
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Railway scrap recovery vehicle
Publication number
20090188406
Publication date
Jul 30, 2009
Sperling Railway Services, Inc.
Fred S. Sperling
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Trademark
last 30 trademarks
Information
Trademark
75361078 - QUADRILL
Serial number
75361078
Registration number
2373322
Filing date
Sep 22, 1997
SPERLING RAILWAY SERVICES, INC.
12 - Vehicles