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David Mayfield

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  • South Bend, IN, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    CONDUCTOR RAIL
    • Publication number 20130098726
    • Publication date Apr 25, 2013
    • L.B. Foster Company
    • Korhan Ciloglu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Method and Apparatus For Manufacturing A Catalytic Converter
    • Publication number 20090282890
    • Publication date Nov 19, 2009
    • Hess Engineering, Inc.
    • David Mayfield
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SIZING OF MAT MATERIAL
    • Publication number 20080263866
    • Publication date Oct 30, 2008
    • David Mayfield
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VERTICAL SPINNER
    • Publication number 20080041201
    • Publication date Feb 21, 2008
    • Hess Engineering, Inc.
    • David Mayfield
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method and apparatus for manufacturing a catalytic converter
    • Publication number 20060085980
    • Publication date Apr 27, 2006
    • David Mayfield
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method and apparatus for manufacturing a catalytic converter
    • Publication number 20050005446
    • Publication date Jan 13, 2005
    • David Mayfield
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Method and apparatus for spinning to a constant length
    • Publication number 20040093922
    • Publication date May 20, 2004
    • David Mayfield
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method and apparatus for manufacturing a catalytic converter
    • Publication number 20030000088
    • Publication date Jan 2, 2003
    • David Mayfield
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...