Patents by Inventor Alan Leslie Udall

Alan Leslie Udall 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: 6804856
    Abstract: Apparatus for cleaning a surface, comprising brush means including a body (16) which carries bristles (17) engageable with the surface; means for effecting movement of the bristles relative to the surface, to provide an agitating cleaning action thereon; said bristle-carrying body further being provided with steam delivery means (20, 21) for applying steam to said surface in a region thereof engaged by said bristles. The apparatus may be for cleaning a conveyor belt (10), with the brush in the form of a drum (16) rotatable about an axis (18) parallel to the conveyor belt with the steam passing through the drum and emerging through peripheral apertures (21), the brush being disposed within a hood (15) with an extraction system for loosened dirt and water.
    Type: Grant
    Filed: September 17, 2002
    Date of Patent: October 19, 2004
    Assignee: Duplex Cleaning Machines (UK) Limited
    Inventor: Alan Leslie Udall
  • Publication number: 20030041880
    Abstract: Apparatus for cleaning a surface, comprising brush means including a body (16) which carries bristles (17) engageable with the surface; means for effecting movement of the bristles relative to the surface, to provide an agitating cleaning action thereon; said bristle-carrying body further being provided with steam delivery means (20, 21) for applying steam to said surface in a region thereof engaged by said bristles. The apparatus may be for cleaning a conveyor belt (10), with the brush in the form of a drum (16) rotatable about an axis (18) parallel to the conveyor belt with the steam passing through the drum and emerging through peripheral apertures (21), the brush being disposed within a hood (15) with an extraction system for loosened dirt and water.
    Type: Application
    Filed: September 17, 2002
    Publication date: March 6, 2003
    Inventor: Alan Leslie Udall