Chad H. Sperling

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Canton, OH, US

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Patents Grantslast 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

Patents Applicationslast 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