Douglas M. Jenkins

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Commodore, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Railcar cold formed center sill with stiffness enhancing structure
- Patent number 11,945,476
- Issue date Apr 2, 2024
- JAC Operations, Inc.
- Douglas M. Jenkins
- B61 - RAILWAYS
Information Patent Grant
Railcar having cold formed center sill with stiffness enhancing str...
- Patent number 11,338,831
- Issue date May 24, 2022
- JAC Operations, Inc.
- Douglas M. Jenkins
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MODIFYING ALUMINUM BODY RAILCARS, MODIFIED RAILCARS FORME...
- Publication number 20240140496
- Publication date May 2, 2024
- JAC OPERATIONS, INC.
- Michael H. Kress
- B61 - RAILWAYS
Information Patent Application
METHOD OF REPURPOSING SMALL CUBE COVERED HOPPER RAILCARS AND MODIFI...
- Publication number 20240140497
- Publication date May 2, 2024
- JAC OPERATIONS, INC.
- Michael H. Kress
- B61 - RAILWAYS
Information Patent Application
RAILCAR COLD FORMED CENTER SILL WITH STIFFNESS ENHANCING STRUCTURE
- Publication number 20220258775
- Publication date Aug 18, 2022
- JAC OPERATIONS, INC.
- Douglas M. Jenkins
- B61 - RAILWAYS
Information Patent Application
RAILCAR HAVING COLD FORMED CENTER SILL WITH STIFFNESS ENHANCING STR...
- Publication number 20200239043
- Publication date Jul 30, 2020
- JAC OPERATIONS, INC.
- Douglas M. Jenkins
- B61 - RAILWAYS
Information Patent Application
Open Top Hopper Railcar with Lading Shedding Top Chord and Corner C...
- Publication number 20180001905
- Publication date Jan 4, 2018
- JAC OPERATIONS, INC.
- Christopher S. Wissinger
- B61 - RAILWAYS