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2017
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Invention
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Alignment tool for a manway cover. An alignment tool for use in aligning a manway cover with a ma... |
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Invention
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Pull-up bolt assembly. In combination, a manway cover and a manway flange having one or more bolt... |
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2015
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Invention
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Attachment bolt for portable manway cover hinge. In combination, an attachment bolt assembly and ... |
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2014
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Invention
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Pull-up bolt assembly. An improved pull-up bolt assembly adapted to be used for supporting a high... |
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Invention
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Cover alignment tool. An alignment tool device for use in aligning a manway cover to a manway bod... |
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2011
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Invention
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Portable manway cover hinge device. A method of handling the removal and installation of a manway... |
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2010
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Invention
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Portable manway cover hinge device and methods. A manway cover-manway flange separating device an... |
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Invention
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Portable manway cover hinge device and methods. A manway cover-manway flange separating kit and m... |
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Invention
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Portable manway cover hinge device and methods. A method of handling the removal and installation... |
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2009
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Invention
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Pull-up bolt assembly. A pull-up bolt assembly for frictionally supporting a high-weight structur... |
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Invention
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Pull-up bolt assembly. A pull-up bolt assembly for frictionally supporting a high-weight st... |
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2008
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Invention
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Portable manway cover hinge device. A portable manway hinge device has a pair of hinge plates whe... |
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2007
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Invention
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Portable manway cover hinge device. A portable manway hinge device has a pair of elongated hinge ... |
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2005
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Invention
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Portable lift, support, removal and/or installation system and method. A removable cover support ... |
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2000
|
Invention
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Portable lift, support and/or installation system and method. A system and method for portable li... |
