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2023
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Invention
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End cap assembly for a trench box and method of utilization thereof.
A trench box assembly inclu... |
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2022
|
Invention
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Method and apparatus for operating a slew bearing. A slew bearing that includes an inner ring. Th... |
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Invention
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Method and apparatus for operating a crane.
A davit crane that includes a base adapted to operab... |
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Invention
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Trench box including modular panels and method of use thereof. A trench box including a first pla... |
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Invention
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Open column jib crane. A jib crane that includes an open column having a first end and a second e... |
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2019
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G/S
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Crossover bridges and walkways in the nature of stationary prefabricated metal bridges and walkwa... |
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Invention
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Jib crane with tension frame and compression support. A jib crane assembly having a vertical pole... |
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2015
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Invention
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Anchoring system. An anchoring system to secure a mounting plate at a base of a pole or column to... |
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2013
|
Invention
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Hydraulic cylinder safety stop. A safety device for maintaining a load raised cylinder linkage in... |
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2011
|
Invention
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Structural members for forming various composite structures. Structural members widely adaptable ... |
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2009
|
Invention
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Process for making a panel for supporting the walls of an excavation. A process for making a pane... |
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2008
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G/S
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construction elements made of metal, namely, braces; frameworks of metal |
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|
Invention
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Trench shield with adjustable vertical panels. A trench shoring or shielding unit, for securing t... |
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Invention
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Adjustable trench box and spreader bar. An adjustable spreader bar of a trench box has male and f... |
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2006
|
Invention
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Trench box moving apparatus and method. There is disclosed an apparatus and method for moving wit... |
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2005
|
Invention
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Panel for supporting the walls of an excavation. A panel for supporting the sidewalls of an excav... |
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2004
|
G/S
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Overhead cranes and parts and fittings therefor |
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2003
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G/S
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Overhead crane systems sold as a custom kit, comprising rail sections, endtruck trolley, hangers ... |
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2002
|
Invention
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Rail support assembly for monorail crane. A rail support system pendent from an overhead structur... |
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2001
|
Invention
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Trench shielding and shoring device. A portable shoring device for securing the sidewalls of an e... |
