Assignee
PERMA PIPE INC
US·6 granted patents·2 pending applications·184 citations·filing 1993–2019
Top patents by PatentIndex Score
8 records- 0195US5410255AMethod and apparatus for detecting and distinguishing leaks using reflectometry and conductivity testsPERMA PIPE INC·Filed 1993·Granted Apr 25, 1995·126 cites·14 claims
- 0286US5355720ACorrosion resistant cablePERMA PIPE INC·Filed 1993·Granted Oct 18, 1994·43 cites·35 claims
- 0376US7824595B2Method and system for cast molding a fluid conduitPERMA PIPE INC·Filed 2005·Granted Nov 2, 2010·12 cites·28 claims
- 0467US7525444B2Sensor for detecting hydrocarbonsPERMA PIPE INC·Filed 2006·Granted Apr 28, 2009·3 cites·19 claims
- 0549US8049638B2Sensor for detecting hydrocarbonsPERMA PIPE INC·Filed 2007·Granted Nov 1, 2011·0 cites·22 claims
- 0647US2008072988A1Glass Syntactic Polyurethane Insulated ProductPERMA PIPE INC·Filed 2007·Application pending·0 cites
- 0740US12276366B2System and method for producing spray foam insulated pipe with channels, tubes or conduitsPERMA PIPE INC·Filed 2019·Granted Apr 15, 2025·0 cites·21 claims
- 0836US2016003405A1Shear increasing systemPERMA PIPE INC·Filed 2015·Application pending·0 cites
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →