Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for repairing heat exchanger tubing through partial tube replacement

Method for repairing heat exchanger tubing through partial tube replacement

US Patent 6247231 · Granted Jun 19, 2001

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus and method for precision excavation and welding of thick-walled compon2001
Method for repairing a shrink-fitted turbine disc2000
Apparatus and method for centering a laser welding probe within a tube using gas1999
Bore probe for tube inspection with guided waves and method therefor1998
Cobalt-free hardfacing alloys with improved welding characteristics1997
Method and apparatus for repairing damaged tubes by interior laser clad welding1997
Rotating fiber optic coupler for high power laser welding applications1997
Method of forming a clad weld on the interior surface of a tube with a synchrono1996
Rotating apparatus for repairing damaged tubes1996
Method of manufacturing welding electrode for underwater welding1995
Method and apparatus for repairing damaged tubes1995
Flux formulation for underwater wet flux-cored arc welding of nickel-based and a1993