Patents by Inventor James Christopher Edwards

James Christopher Edwards 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 element fixation for filter presses
    Patent number: 6932906
    Abstract: A method of making a filter by bonding two pieces of cloth to the flanges of a barrel-neck connector by locating a ring of bonding agent mixed with a metal powder between each flange and the adjacent surface of each cloth and using induction heating to heat the metal and thus cause the bonding agent to bond the cloth to the flanges. The bonding agent may comprise guide legs which allow its accurate location between the respective cloth and flange and/or the ring may be flexible allowing the ring to be flexed into position over the respective flange of the barrel-neck.
    Type: Grant
    Filed: May 23, 2001
    Date of Patent: August 23, 2005
    Assignee: Madison Filter Limited
    Inventors: Richard Patrick Lydon, James Christopher Edwards
  • Filter element fixation for filter presses
    Publication number: 20020153105
    Abstract: A method of making a filter by bonding two pieces of cloth to the flanges of a barrel-neck connector by locating a ring of bonding agent mixed with a metal powder between each flange and the adjacent surface of each cloth and using induction heating to heat the metal and thus cause the bonding agent to bond the cloth to the flanges. The bonding agent may comprise guide legs which allow its accurate location between the respective cloth and flange and/or the ring may be flexible allowing the ring to be flexed into position over the respective flange of the barrel-neck.
    Type: Application
    Filed: May 7, 2002
    Publication date: October 24, 2002
    Inventors: Richard Patrick Lydon, James Christopher Edwards