Patents Represented by Attorney Richard A. Kilpatrick & Cody Clegg

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  • Portable filtration unit
    Patent number: 5593470
    Abstract: A modular filtration system for cleaning HVAC ductwork includes first and second modular assemblies containing a plurality of filters. The modules can be easily transported into a site and connected to one another and to the ductwork. The system includes a plurality of wheels and external assembly protruding from the housing to assist in wheeling the housing up and down stairs.
    Type: Grant
    Filed: April 6, 1995
    Date of Patent: January 14, 1997
    Assignee: Abatement Technologies, Inc.
    Inventors: David M. Shagott, Gary E. Kruse, Blair L. Harber, Jr., Daniel N. Sutherland, Terrell F. Travis
  • Methods of using a portable filtration unit
    Patent number: 5588985
    Abstract: A method is disclosed for cleaning HVAC ductwork, including the steps of transporting first and second modular filter assemblies to a site, connecting them in sealed fluid communication with one another and to the ductwork, drawing fluid through the filtration system from the HVAC ductwork, exhausting filtered fluid from the filtration system and tilting the housing so that any stairs present at the site bear against a bearing surface of an external conveyance assembly as the modules are transported up and down stairs.
    Type: Grant
    Filed: April 6, 1995
    Date of Patent: December 31, 1996
    Assignee: Abatement Technologies, Inc.
    Inventors: David M. Shagott, Gary E. Kruse, Blair L. Harber, Jr., Daniel N. Sutherland, Terrell F. Travis