Patents by Inventor David L. Walsh

David L. Walsh 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).

  • Pivoting tube brush
    Patent number: 10179352
    Abstract: Pivoting brush heads and associated machines in which cleaning of interior tube surfaces occurs by a forward non-cleaning pass of a pivoting brush head through a tube followed by a reverse cleaning pass where the pivoting brush head engages and cleans the interior surface. The pivoting brush head has a first position for the forward pass producing minimum engagement of interior tube surfaces, and a second position for the reverse pass of full cleaning engagement with the interior tube surfaces.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: January 15, 2019
    Assignee: Crossford International, LLC
    Inventors: Timothy J. Kane, George Cruz, David L. Walsh
  • Stand-alone chemical dispenser
    Patent number: 9950302
    Abstract: Systems, apparatus, and articles of manufacture for stand-alone chemical dispensers are provided.
    Type: Grant
    Filed: January 13, 2015
    Date of Patent: April 24, 2018
    Assignee: Crossford International, LLC
    Inventors: David L. Walsh, Joseph J. Franzino
  • Fire-tube boiler cleaner
    Patent number: 9517496
    Abstract: A tube cleaning machine in which cleaning interior tube surfaces occurs by a forward non-cleaning pass of cleaning implement through work tube followed by reverse cleaning pass where implement engages and cleans interior surface. Cleaning implement has first position for forward pass producing minimum engagement of interior fire-tube surface, and a second position for reverse pass of full cleaning engagement with interior fire-tube surface. A distance indicator enables operator to select distance of forward pass of cleaning implement to correspond with tube length.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: December 13, 2016
    Assignee: Crossford International, LLC
    Inventors: Timothy J. Kane, George Cruz, David L. Walsh
  • Portable coil cleaning and vacuum system
    Patent number: 9505037
    Abstract: Systems, methods, apparatus, and articles of manufacture for portable coil cleaning and vacuum systems are provided.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: November 29, 2016
    Assignee: Crossford International, LLC
    Inventors: Timothy J. Kane, Frank Intrieri, Jr., Pete Gentile, David L. Walsh
  • PIVOTING TUBE BRUSH
    Publication number: 20160263631
    Abstract: Pivoting brush heads and associated machines in which cleaning of interior tube surfaces occurs by a forward non-cleaning pass of a pivoting brush head through a tube followed by a reverse cleaning pass where the pivoting brush head engages and cleans the interior surface. The pivoting brush head has a first position for the forward pass producing minimum engagement of interior tube surfaces, and a second position for the reverse pass of full cleaning engagement with the interior tube surfaces.
    Type: Application
    Filed: May 25, 2016
    Publication date: September 15, 2016
    Inventors: Timothy J. Kane, George Cruz, David L. Walsh
  • FIRE-TUBE BOILER CLEANER
    Publication number: 20160221051
    Abstract: A tube cleaning machine in which cleaning interior tube surfaces occurs by a forward non-cleaning pass of cleaning implement through work tube followed by reverse cleaning pass where implement engages and cleans interior surface. Cleaning implement has first position for forward pass producing minimum engagement of interior fire-tube surface, and a second position for reverse pass of full cleaning engagement with interior fire-tube surface. A distance indicator enables operator to select distance of forward pass of cleaning implement to correspond with tube length.
    Type: Application
    Filed: November 12, 2015
    Publication date: August 4, 2016
    Inventors: Timothy J. Kane, George Cruz, David L. Walsh
  • PORTABLE COIL CLEANING AND VACUUM SYSTEM
    Publication number: 20160088986
    Abstract: Systems, methods, apparatus, and articles of manufacture for portable coil cleaning and vacuum systems are provided.
    Type: Application
    Filed: December 10, 2015
    Publication date: March 31, 2016
    Inventors: Timothy J. Kane, Frank Intrieri, JR., Pete Gentile, David L. Walsh