Patents by Inventor Trence Roy Johnson

Trence Roy Johnson 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).

  • FINE BUBBLE AIRLIFT DEVICE
    Publication number: 20110220732
    Abstract: The present invention relates to an aeration device for use in a liquid medium. The device includes a housing adapted to float within the medium such that a top portion thereof remains above a top surface of the medium. The housing has a bottom portion and an open side portion. The device further includes a hose affixed to the bottom portion of the housing substantially parallel to the surface of the liquid medium. The hose has a wall with a plurality of pores formed therein. The device further includes a gas-supplying pipe affixed to the hose and means for supplying a gas to the pipe such that the gas passes through the pipe and into the hose.
    Type: Application
    Filed: May 25, 2011
    Publication date: September 15, 2011
    Applicant: Tekni-Plex, Inc.
    Inventors: William S. MITCHELL, Trence Roy Johnson
  • Fine bubble airlift device
    Publication number: 20080000823
    Abstract: The present invention relates to an aeration device for use in a liquid medium. The device includes a housing adapted to float within the medium such that a top portion thereof remains above a top surface of the medium. The housing has a bottom portion and an open side portion. The device further includes a hose affixed to the bottom portion of the housing substantially parallel to the surface of the liquid medium. The hose has a wall with a plurality of pores formed therein. The device further includes a gas-supplying pipe affixed to the hose and means for supplying a gas to the pipe such that the gas passes through the pipe and into the hose.
    Type: Application
    Filed: June 30, 2006
    Publication date: January 3, 2008
    Applicant: Tekni-Plex, Inc.
    Inventors: William S. Mitchell, Roland Schmidt, Trence Roy Johnson
  • Fine bubble airlift device
    Publication number: 20080000841
    Abstract: The present invention relates to an aeration device for use in a liquid medium. The device includes a housing adapted to float within the medium such that a top portion thereof remains above a top surface of the medium. The housing has a bottom portion and an open side portion. The device further includes a hose affixed to the bottom portion of the housing substantially parallel to the surface of the liquid medium. The hose has a wall with a plurality of pores formed therein. The device further includes a gas-supplying pipe affixed to the hose and means for supplying a gas to the pipe such that the gas passes through the pipe and into the hose.
    Type: Application
    Filed: February 26, 2007
    Publication date: January 3, 2008
    Applicant: Tekni-Plex, Inc.
    Inventors: William S. Mitchell, Trence Roy Johnson