Patents Assigned to National Heat Exchange Cleaning Corp.
  • Method and system for cleaning heat exchanger tube bundles
    Patent number: 7575641
    Abstract: A method and system utilizing a mobile cleaning unit for providing cleaning of heat exchanger tube bundles. The mobile cleaning unit utilizes a pressurized seal positioned about top door of the cleaning enclosure to provide a fluid and vapor lock of the cleaning enclosure. An oxygen purging system of the cleaning enclosure, the cleaning fluid reservoir, and the control panels provides additional safety. The mobile cleaning unit can use cleaning fluid produced at the facility site and return the cleaning fluid to the facility site for reprocessing after the heat exchanger tube bundles are cleaned.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: August 18, 2009
    Assignee: National Heat Exchange Cleaning Corp.
    Inventor: Carroll E. Joseph
  • METHOD AND SYSTEM FOR CLEANING HEAT EXCHANGER TUBE BUNDLES
    Publication number: 20060185691
    Abstract: A method and system utilizing a mobile cleaning unit for providing cleaning of heat exchanger tube bundles. The mobile cleaning unit utilizes a pressurized seal positioned about top door of the cleaning enclosure to provide a fluid and vapor lock of the cleaning enclosure. An oxygen purging system of the cleaning enclosure, the cleaning fluid reservoir, and the control panels provides additional safety. The mobile cleaning unit can use cleaning fluid produced at the facility site and return the cleaning fluid to the facility site for reprocessing after the heat exchanger tube bundles are cleaned.
    Type: Application
    Filed: February 24, 2006
    Publication date: August 24, 2006
    Applicant: National Heat Exchange Cleaning Corp.
    Inventor: Carroll Joseph
  • Dart having bristles and a scraper
    Patent number: D831910
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: October 23, 2018
    Assignee: National Heat Exchange Cleaning Corp.
    Inventors: Brian D. Antal, Carroll E. Joseph