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2021
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Invention
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Standoff for ductwork damper assembly, ductwork damper assembly incorporating same and method of ... |
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2020
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Invention
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Method for producing a ductwork damper, ductwork damper, and ductwork damper unit incorporating s... |
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Invention
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Method for producing an airduct damper, damper unit with such a damper, and ductwork with a dampe... |
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2017
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Invention
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Handle assembly for rotating a pivot rod attached to a damper within ductwork. The invention is d... |
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Invention
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Flange and method of attaching flange portions to duct members. A flange to be assembled to an en... |
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2016
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Invention
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Method and apparatus for preparing release paper rolls of adhesive insulation material and releas... |
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2014
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Invention
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Corner seal device for ductwork for conditioned air and method of assembly of such ductwork to pr... |
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2013
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Invention
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Adjustable regulator and lock device for ductwork damper. An adjustable regulator and lock device... |
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2012
|
Invention
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Airtight bushing for ductwork damper and the like and ductwork damper unit incorporating same. A ... |
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2009
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Invention
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Turning vane for air duct. An air turning vane and rail assembly including a pair of rails, a plu... |
