Assignee
PERMA PIPE INC
US6 patents
Top patents by PatentIndex Score
US5410255AApr 25, 1995
Method and apparatus for detecting and distinguishing leaks using reflectometry and conductivity tests
PERMA PIPE INC126 citations95
US5355720AOct 18, 1994
Corrosion resistant cable
PERMA PIPE INC43 citations90
US7824595B2Nov 2, 2010
Method and system for cast molding a fluid conduit
PERMA PIPE INC12 citations69
US7525444B2Apr 28, 2009
Sensor for detecting hydrocarbons
PERMA PIPE INC3 citations55
US8049638B2Nov 1, 2011
Sensor for detecting hydrocarbons
PERMA PIPE INC0 citations45
US12276366B2Apr 15, 2025
System and method for producing spray foam insulated pipe with channels, tubes or conduits
PERMA PIPE INC0 citations41