Patents by Inventor Henry Koudys

Henry Koudys 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).

  • Portable filtration unit
    Patent number: 5433763
    Abstract: Portable vacuum and air filtration units including a plurality of separately transportable modules are disclosed. Some units include a mechanism for locking the modules together during use, an air inlet located in one of the modules, a debris screen and a mechanism for receiving debris stopped by the screen located in one of the modules, an electrostatic filter located in one of the modules, a bag filter assembly located in one of the modules, a HEPA filter assembly located in one of the modules, and a mechanism for drawing a substantial volume of air through the inlet, screen, electrostatic filter, bag filter assembly and HEPA filter assembly. Other units include a pliable, tubular mesh for filtering debris.
    Type: Grant
    Filed: July 26, 1993
    Date of Patent: July 18, 1995
    Assignee: Abatement Technologies
    Inventors: David M. Shagott, Gary E. Kruse, Daniel N. Sutherland, Blair L. Harber, Jr., Henry Koudys