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VSL CORP

Overview
  • Total Patents
    11
About

VSL CORP has a total of 11 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, machines and packaging and shipping are LOSINGER AG, CONCRETE FORM HIRE PTY LTD and FORM SCAFF PTY LTD.

Patent filings in countries

World map showing VSL CORPs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 2

Patent filings per year

Chart showing VSL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Davis Edgar A 6
#2 Swanson David T 2
#3 Davis Edgar 2
#4 Dexter Rose M 1
#5 Mccarthy John D 1
#6 Friedrich R 1
#7 Watts Richard L 1
#8 Crigler John 1
#9 Wyss Paul H 1

Latest patents

Publication Filing date Title
US5197245A Structural wall reinforcement apparatus and method
US5133510A Column wire winding apparatus
CA1296193C Retained earth structure and method of making same
US4918887A Protective tendon tensioning anchor assemblies
US4725170A Retained earth structure and method of making same
US4616458A Protective apparatus for tendons in tendon tensioning anchor assemblies
US4621943A Continuous prestressed concrete and method
US4449857A Retained earth system with threaded connection between a retaining wall and soil reinforcement panels
US4397242A Cable driven shuttle system having guideways of different lengths and method for its use
US3785617A Method for inserting tendons into sheathing