PL

Patrick R. Ledoux

PL Pipe Liners: 7 patents #1 of 5Top 20%
Overall (All Time): #665,942 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6299803 Method for forming and sealing pipe liners 2001-10-09
5342570 Method and apparatus for deforming reformable tubular pipe liners Luc R. Fourgaut 1994-08-30
5112211 Pipe lining apparatus Luc R. Fourgaut 1992-05-12
5091137 Pipe lining process 1992-02-25
4998871 Apparatus for deforming plastic tubing for lining pipe 1991-03-12
4986951 Pipe liner process Luc R. Fourgaut 1991-01-22
4985196 Pipe liner process Lue Fourgaut 1991-01-15
4863365 Method and apparatus for deforming reformable tubular pipe liners Luc R. Fourgaut 1989-09-05