Patents by Inventor Ian Colin Chisem

Ian Colin Chisem 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).

  • Publication number: 20220134268
    Abstract: The invention relates to a ceramic modular filter element comprising a first elongate hollow body, a second elongate body and a sleeve for coupling the first elongate body to the second elongate body, wherein the first elongate hollow body comprises a frustoconical section, the second elongate hollow body is configured to receive the frustoconical section of the first elongate hollow body and the sleeve comprises projections for engaging with a surface of the first elongate hollow body and/or the second elongate hollow body.
    Type: Application
    Filed: December 10, 2019
    Publication date: May 5, 2022
    Applicant: MADISON FILTER 981 LIMITED
    Inventors: Detlef Hega, Purv Purohit, Ian Colin Chisem
  • Publication number: 20150336036
    Abstract: An apparatus for retaining filter cloths (11) on a drum filter comprising a body (14) provided on the side of the filter cloth aperture to face the inside of the drum. The body is received in a recess in the drum. The apparatus further comprises a resilient element (18) to be located on the remote side of the cloth (11) to the body (14) for urging the body (14) into the recess.
    Type: Application
    Filed: January 7, 2014
    Publication date: November 26, 2015
    Inventors: Shireesh Pankaj, Ian Colin Chisem, David Michael Fogg