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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 2 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Packaging and shipping | |
#4 | Transport |
# | Technology | |
---|---|---|
#1 | Foundations and excavations | |
#2 | Scaffolding | |
#3 | Unspecified technologies | |
#4 | Structural elements | |
#5 | Railway systems | |
#6 | Handling thin material | |
#7 | Construction of roads | |
#8 | Shafts |
# | 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 |
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 |