Assignee
INSITUFORM NETHERLANDS BV
NL55 patents
Top patents by PatentIndex Score
US6708728B2Mar 23, 2004
Installation of cured in place liners with air and steam and installation apparatus
INSITUFORM NETHERLANDS BV66 citations96
US5624629AApr 29, 1997
Installation of lateral linings with sealing collar from the main pipeline out
INSITUFORM NETHERLANDS BV46 citations96
US5409561AApr 25, 1995
Lining of passageways
INSITUFORM NETHERLANDS BV55 citations96
US5393481AFeb 28, 1995
Lining of pipelines or passageways
INSITUFORM NETHERLANDS BV81 citations96
US5374174ADec 20, 1994
Apparatus for/installing a liner within a service pipe or the like
INSITUFORM NETHERLANDS BV74 citations96
US5358359AOct 25, 1994
Apparatus for everting a tube
INSITUFORM NETHERLANDS BV59 citations96
US6969216B2Nov 29, 2005
Pressurized bladder canister for installation of cured in place pipe
INSITUFORM NETHERLANDS BV34 citations95
US6679293B2Jan 20, 2004
Pressurized bladder canister for installation of cured in place pipe
INSITUFORM NETHERLANDS BV44 citations95
US6539979B1Apr 1, 2003
Pressurized bladder canister for installation of cured in place pipe
INSITUFORM NETHERLANDS BV71 citations95
US6068725AMay 30, 2000
Method of installation of a flexible cured in place lateral seal in an existing main pipeline
INSITUFORM NETHERLANDS BV135 citations95
US5915419AJun 29, 1999
Cured in place lateral seal for relining of pipelines and method of manufacture
INSITUFORM NETHERLANDS BV100 citations95
US5778938AJul 14, 1998
Method of installation of dual containment pipe rehabilitation system
INSITUFORM NETHERLANDS BV82 citations95
US5546992AAug 20, 1996
Dual containment pipe rehabilitation system
INSITUFORM NETHERLANDS BV61 citations95
US6029726AFeb 29, 2000
Apparatus for installing a flexible cured in place lateral seal in an existing main pipeline
INSITUFORM NETHERLANDS BV56 citations94
US6899832B2May 31, 2005
Installation of flexible lining with flexible collar for lining lateral pipelines
INSITUFORM NETHERLANDS BV20 citations93
US6708729B1Mar 23, 2004
Fiber reinforced composite liner for lining an existing conduit and method of manufacture
INSITUFORM NETHERLANDS BV82 citations93
US6354330B1Mar 12, 2002
Lining of pipelines with a flexible lining including a heat curable resin by curling in stages
INSITUFORM NETHERLANDS BV40 citations93
US6337114B1Jan 8, 2002
Flexible lining with flexible collar for lining lateral pipelines
INSITUFORM NETHERLANDS BV28 citations93
US5975878ANov 2, 1999
Apparatus for installation of lining with sealing collar
INSITUFORM NETHERLANDS BV24 citations93
US5706861AJan 13, 1998
Rehabilitation of pipelines and passageways with a flexible liner using an inflatible bladder
INSITUFORM NETHERLANDS BV94 citations93
US5692543ADec 2, 1997
Lining of lateral pipelines with a liner having a sealing collar
INSITUFORM NETHERLANDS BV51 citations93
US7360559B2Apr 22, 2008
Steam cure of cured in place liner
INSITUFORM NETHERLANDS BV27 citations92
US7261788B1Aug 28, 2007
Preparation of cured in place liner with integral inner impermeable layer
INSITUFORM NETHERLANDS BV23 citations92
US7108456B2Sep 19, 2006
Steam cure of cured in place liner
INSITUFORM NETHERLANDS BV19 citations92
US5927341AJul 27, 1999
Lining of "Tees" and "Wyes" in pipelines or passageways
INSITUFORM NETHERLANDS BV112 citations92
US5656117AAug 12, 1997
Method of lining passageways by applying a pre-liner sleeve and hardenable composition
INSITUFORM NETHERLANDS BV63 citations91
US6123110ASep 26, 2000
Dual containment pipe system and a manhole system
INSITUFORM NETHERLANDS BV52 citations90
US6117507ASep 12, 2000
Sealed inversion liner for lining an existing pipeline or conduit
INSITUFORM NETHERLANDS BV47 citations90
US6093363AJul 25, 2000
Method of lining pipelines with flow-through apparatus and liner
INSITUFORM NETHERLANDS BV25 citations90
US5960882AOct 5, 1999
Dual-ended apparatus for cutting openings in lined conduits
INSITUFORM NETHERLANDS BV52 citations90
US5919327AJul 6, 1999
Method and apparatus for sealed end for cured in place pipe liners
INSITUFORM NETHERLANDS BV25 citations90
US5736166AApr 7, 1998
Flow-through apparatus for lining of pipelines
INSITUFORM NETHERLANDS BV19 citations90
US5407630AApr 18, 1995
Lining of pipelines or passageways
INSITUFORM NETHERLANDS BV27 citations90
US5384086AJan 24, 1995
Lining of pipelines or passageways
INSITUFORM NETHERLANDS BV31 citations90
US6520719B1Feb 18, 2003
Apparatus for installing a flexible cured in place lateral seal in an existing main pipeline
INSITUFORM NETHERLANDS BV28 citations89
USRE35944ENov 3, 1998
Method of everting a tube
INSITUFORM NETHERLANDS BV28 citations89
US6923217B2Aug 2, 2005
Fiber reinforced composite liner for lining an existing conduit and method of manufacture
INSITUFORM NETHERLANDS BV26 citations88
US6932116B2Aug 23, 2005
Fiber reinforced composite liner for lining an existing conduit and method of manufacture
INSITUFORM NETHERLANDS BV42 citations87
US6682668B1Jan 27, 2004
Installation of cured in place liners with an endless reusable inflation bladder and installation apparatus
INSITUFORM NETHERLANDS BV39 citations87
US5737822AApr 14, 1998
Corporation stop assembly
INSITUFORM NETHERLANDS BV28 citations87
US6001212ADec 14, 1999
Method for lining of lateral pipelines with flow-through apparatus
INSITUFORM NETHERLANDS BV57 citations86
US5971029AOct 26, 1999
Dual containment pipe system and method of installation
INSITUFORM NETHERLANDS BV38 citations86
US5942183AAug 24, 1999
Method for everting a liner using a compact apparatus
INSITUFORM NETHERLANDS BV18 citations86
US5597353AJan 28, 1997
Compact apparatus for everting a liner and method
INSITUFORM NETHERLANDS BV41 citations86
US6612340B1Sep 2, 2003
Turnback protection for installation of cured in place liners
INSITUFORM NETHERLANDS BV60 citations85
US7238251B1Jul 3, 2007
Method of preparing cured in place liner using resin impregnation tower
INSITUFORM NETHERLANDS BV10 citations84
US5285741AFeb 15, 1994
Method of producing a flexible tubular lining
INSITUFORM NETHERLANDS BV20 citations84
US7112254B1Sep 26, 2006
Installation of cured in place liner with inner impermeable layer and apparatus
INSITUFORM NETHERLANDS BV14 citations83
USD373408SSep 3, 1996
Collar for a pipe inlet
INSITUFORM NETHERLANDS BV11 citations74
US5494118AFeb 27, 1996
Placement of pipes in the ground
INSITUFORM NETHERLANDS BV9 citations74
Showing the top 50 of 55 patents by PatentIndex Score.