Patents by Inventor Jeffrey Allen Canfield

Jeffrey Allen Canfield has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • MOLD ASSEMBLY FOR MAKING A BOTTOM END CAP IN A PLEATED FILTER CARTRIDGE AND RELATED METHOD
    Publication number: 20150108684
    Abstract: A mold assembly for forming a bottom end cap in a pleated filter cartridge includes a master mold component having a cup-shaped body including a bottom wall and an annular peripheral wall, an interior surface of the bottom wall having a radially outward portion tapered upwardly in a radial inward direction and a flat center section. An associated sleeve component includes a peripheral side wall and a bottom wall shaped to fit within the master mold component, an exterior surface of the bottom wall having a taper complementary to the radially outward tapered portion of the master mold component and a center opening alignable with the flat center section of the master mold component.
    Type: Application
    Filed: October 23, 2013
    Publication date: April 23, 2015
    Applicant: General Electric Company
    Inventors: Jeffrey Allen CANFIELD, Alfred Kam Wing LO
  • Filter core for use with pleated filter cartridges
    Patent number: 8523974
    Abstract: A filter core includes a tubular body that has a first end and a second end. The tubular body includes a plurality of surface features spaced longitudinally along the tubular body between the first and second ends. Each of the surface features includes a first portion for flow area and a second portion for bridging across an opening for strength.
    Type: Grant
    Filed: August 18, 2011
    Date of Patent: September 3, 2013
    Assignee: General Electric Company
    Inventors: Jason Mei, Charles Grant Carothers, Jeffrey Allen Canfield
  • FILTER CORE FOR USE WITH PLEATED FILTER CARTRIDGES
    Publication number: 20130042585
    Abstract: A filter core includes a tubular body that has a first end and a second end. The tubular body includes a plurality of surface features spaced longitudinally along the tubular body between the first and second ends. Each of the surface features includes a first portion for flow area and a second portion for bridging across an opening for strength.
    Type: Application
    Filed: August 18, 2011
    Publication date: February 21, 2013
    Inventors: Jason Mei, Charles Grant Carothers, Jeffrey Allen Canfield