Stephen A. Coughlin

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Ballwin, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and systems for fabricating spiral welded cylinders
- Patent number 6,875,942
- Issue date Apr 5, 2005
- American Railcar Industries, Inc.
- Stephen A. Coughlin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Methods and systems for fabricating spiral welded cylinders
- Patent number 6,717,093
- Issue date Apr 6, 2004
- American Railcar Industries, Inc.
- Stephen A. Coughlin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Welding method for pneumatic outlet bottom cover assembly
- Patent number 5,178,317
- Issue date Jan 12, 1993
- ACF Industries, Incorporated
- Richard H. Dugge
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Arc-spot welding method and apparatus
- Patent number 4,347,426
- Issue date Aug 31, 1982
- ACF Industries, Incorporated
- Don A. Ware
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Methods and systems for fabricating spiral welded cylinders
- Publication number 20040140340
- Publication date Jul 22, 2004
- Stephen A. Coughlin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Methods and systems for fabricating spiral welded cylinders
- Publication number 20020088785
- Publication date Jul 11, 2002
- Stephen A. Coughlin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...