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INSITUFORM INT INC

Overview
  • Total Patents
    44
About

INSITUFORM INT INC has a total of 44 patent applications. Its first patent ever was published in 1977. It filed its patents most often in United States, EPO (European Patent Office) and Denmark. Its main competitors in its focus markets machines, mechanical elements and textiles and paper are UNDERGROUND SOLUTIONS TECHNOLOGIES GROUP INC, IND THERMO POLYMERS LTD and KWH PIPE AB OY.

Patent filings per year

Chart showing INSITUFORM INT INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wood Eric 26
#2 Smith Samuel 5
#3 Smith Peter 5
#4 Chick Douglas K 3
#5 Smith Paul Samuel 2
#6 Smith Edward Peter 2
#7 Wood E 2
#8 Samuel Smith 1
#9 Eritsuku Utsudo 1
#10 Smith Samuel P 1

Latest patents

Publication Filing date Title
EP0278466A1 Improved passageway lining material
EP0275060A1 Improvements relating to the lining of pipelines and passageways
BR8302305A Method and appliance for making openings in underground pipe coatings
BR8302117A Method for manufacturing and tubular laminates
GB8302722D0 Sewage handling
US4434115A Method for remote lining of side connections
EP0082212A1 Method for sealing pipes
US4401696A Lining of pipelines and passageways
US4385885A Lining of passageways
GB2092493A A method of cutting side connectors in the lining of an underground pipe
US4366012A Impregnation process
GB2095598A Device for cutting side connections in the lining of a pipe
GB2091611A Cutting of side connections in pipes
EP0025337A1 Method and apparatus for applying a coating to a sheet material
CA1134290A Manufacture of tubular laminates
EP0009402A1 A method of forming laminated hoses and laminated hoses obtained
DK224178A Procedure for the manufacturing of a flexible pipe into for lining of pipes and channels
NZ184730A Resin impregnated sheet lining passageways