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2024
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Invention
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Method of forming a maintenance-free rolling door vacuum slat.
A method of forming maintenance-f... |
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2022
|
Invention
|
Maintenance-free rolling door vacuum slat. A maintenance-free rolling door vacuum slat includes a... |
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2021
|
Invention
|
Planetary gearbox system. A fire door operator for a rolling door includes a housing defining an ... |
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Invention
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Limit position safety device for a rolling door. A limit position safety device for establishing ... |
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Invention
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Power transfer device fora rolling door operator. A power transfer device for a fire door operato... |
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Invention
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Power transfer device for a rolling door operator. A power transfer device for a fire door operat... |
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2020
|
Invention
|
Partition panel for office cubicle |
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|
Invention
|
Auxilliary chain assembly for rolling doors and the like. A chain assembly includes a wheel... |
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2019
|
Invention
|
Auxiliary chain assembly for rolling doors and the like. A chain assembly includes a wheel secure... |
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Invention
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Unitary extruded shell for assembling non-insulated and insulated slats for rolling doors and met... |
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2010
|
P/S
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Providing temporary use of online non-downloadable software that allows users to generate compute... |
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2009
|
Invention
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Method and apparatus for driving a roller shutter door. The present invention is a method and app... |
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2006
|
P/S
|
METAL DOORS |
|
1998
|
Invention
|
Slat edge retainer for overhead rolling doors. An edge retainer for a slat of an overhead rolling... |
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P/S
|
Rolling doors, coiling doors, overhead doors and shutter doors, and associated hardware sold ther... |
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|
P/S
|
ROLLING STEEL DOORS AND REPLACEMENT PARTS THEREFOR |
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P/S
|
ELECTRIC MOTORS FOR OPENING DOORS AUTOMATIC DOOR OPENERS, AUTOMATIC DOOR OPERATORS, AND AUTOMATIC... |
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1997
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P/S
|
ROLLING STEEL FIRE DOORS PROVIDED WITH MECHANISM FOR CLOSING THE FIRE DOORS |
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P/S
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electric motors and associated hardware sold therewith for raising and lowering rolling steel doors |
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P/S
|
rolling steel doors |
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P/S
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safety release mechanism in the nature of a sensor which is activated by heat from a fire to send... |
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Invention
|
Movable closure with load resistant lateral locks. An Overhead rolling gate for a generally recta... |
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1987
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P/S
|
ROLLING STEEL DOORS |
