Craig A. Willkens

Person

  • Worcester, MA, US

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Ceramic Heating Device

    • Publication number 20110253696
    • Publication date Oct 20, 2011
    • Michael J. Hanagan
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Ceramic igniters

    • Publication number 20080314890
    • Publication date Dec 25, 2008
    • Saint-Gobain Ceramics & Plastics, Inc.
    • Craig A. Willkens
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Injection molding of ceramic elements

    • Publication number 20080145672
    • Publication date Jun 19, 2008
    • Saint-Gobain Ceramics & Plastics, Inc.
    • Craig A. Willkens
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    Injection molding of ceramic elements

    • Publication number 20080116192
    • Publication date May 22, 2008
    • Saint-Gobain Ceramics & Plastics, Inc.
    • Suresh Annavarapu
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Ceramic heating elements

    • Publication number 20070295709
    • Publication date Dec 27, 2007
    • Saint-Gobain Ceramics & Plastics, Inc.
    • Craig A. Willkens
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Ceramic igniters

    • Publication number 20060201925
    • Publication date Sep 14, 2006
    • Saint-Gobain Ceramics & Plastics, Inc.
    • Taehwan Yu
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Particulate filter for purifying exhaust gases of internal combusti...

    • Publication number 20040025500
    • Publication date Feb 12, 2004
    • Sebastien Bardon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Compositions for ceramic igniters

    • Publication number 20030160220
    • Publication date Aug 28, 2003
    • Saint-Gobain Industrial Ceramics, Inc.
    • Roger J. Lin
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Ceramic igniters

    • Publication number 20020150851
    • Publication date Oct 17, 2002
    • Craig A. Willkens
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    MULTIPLE HOT ZONE IGNITERS

    • Publication number 20020113051
    • Publication date Aug 22, 2002
    • Craig A. Willkens
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    Aging resistant, porous silicon carbide ceramic igniter

    • Publication number 20020010067
    • Publication date Jan 24, 2002
    • Craig A. Willkens
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES