Patents by Inventor John Franklin Pearson

John Franklin Pearson 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).

  • Filter bag assembly
    Patent number: 7090772
    Abstract: A filter bag assembly includes an outer bag having an open end, a closed end opposite the open end, and a longitudinal axis. The open end of the outer bag is sized and shaped for receiving liquid to be filtered. A filter member is loosely mounted in the outer bag and has a pair of opposed open ends and a plurality of longitudinally extending pleats. Each of the pleats projects generally outwardly in a radial direction.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: August 15, 2006
    Assignee: Eaton Corporation
    Inventors: John Franklin Pearson, Wald Lodewyckx
  • Filter bag assembly
    Patent number: 6872309
    Abstract: A filter bag assembly includes an outer bag having an open end, a closed end opposite the open end, and a longitudinal axis. The open end of the outer bag is sized and shaped for receiving liquid to be filtered. A filter member is loosely mounted in the outer bag and has a pair of opposed open ends and a plurality of longitudinally extending pleats. Each of the pleats projects generally outwardly in a radial direction.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: March 29, 2005
    Assignee: Hayward Filtration, LLC
    Inventors: John Franklin Pearson, Wald Lodewyckx
  • Filter bag assembly
    Publication number: 20040065605
    Abstract: A filter bag assembly includes an outer bag having an open end, a closed end opposite the open end, and a longitudinal axis. The open end of the outer bag is sized and shaped for receiving liquid to be filtered. A filter member is loosely mounted in the outer bag and has a pair of opposed open ends and a plurality of longitudinally extending pleats. Each of the pleats projects generally outwardly in a radial direction.
    Type: Application
    Filed: October 4, 2002
    Publication date: April 8, 2004
    Applicant: H-TECH, INC.
    Inventors: John Franklin Pearson, Wald Lodewyckx