Patents by Inventor Randy Rowley

Randy Rowley 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).

  • Patent number: 7297188
    Abstract: Sanding and screening are steps in floor finishing that produce large quantities of fine dust which is difficult to remove and which plugs porous filter elements of dust collection systems. Dust collection is enhanced with a floor screening attachment for a floor machine. A vacuum system with a liquid filtering medium is provided to collect dust produced during screening. A dust collection unit is also disclosed to collect and separate sawdust produced by sanding which can cause foaming of a liquid filter medium.
    Type: Grant
    Filed: November 3, 2004
    Date of Patent: November 20, 2007
    Inventors: Larry Nielsen, Randy Rowley
  • Publication number: 20050060836
    Abstract: Sanding and screening are steps in floor finishing that produce large quantities of fine dust which is difficult to remove and which plugs porous filter elements of dust collection systems. Dust collection is enhanced with a floor screening attachment for a floor machine. A vacuum system with a liquid filtering medium is provided to collect dust produced during screening. A dust collection unit is also disclosed to collect and separate sawdust produced by sanding which can cause foaming of a liquid filter medium.
    Type: Application
    Filed: November 3, 2004
    Publication date: March 24, 2005
    Inventors: Larry Nielsen, Randy Rowley
  • Patent number: 6866705
    Abstract: Sanding and screening are steps in floor finishing that produce large quantities of fine dust which is difficult to remove and which plugs porous filter elements of dust collection systems. Dust collection is enhanced with a floor screening attachment for a floor machine. A vacuum system with a liquid filtering medium is provided to collect dust produced during screening. A dust collection unit is also disclosed to collect and separate sawdust produced by sanding which can cause foaming of a liquid filter medium.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: March 15, 2005
    Inventors: Larry Nielsen, Randy Rowley
  • Publication number: 20020193056
    Abstract: Sanding and screening are steps in floor finishing that produce large quantities of fine dust which is difficult to remove and which plugs porous filter elements of dust collection systems. Dust collection is enhanced with a floor screening attachment for a floor machine. A vacuum system with a liquid filtering medium is provided to collect dust produced during screening. A dust collection unit is also disclosed to collect and separate sawdust produced by sanding which can cause foaming of a liquid filter medium.
    Type: Application
    Filed: June 15, 2001
    Publication date: December 19, 2002
    Inventors: Larry Nielsen, Randy Rowley