|
2025
|
P/S
|
Fire curtains; Smoke curtains; Accordion doors; Horizontal acting coiling and sliding doors; Side... |
|
|
P/S
|
Fire curtains; Smoke curtains; Side acting coiling and sliding grilles; Overhead acting coiling a... |
|
2024
|
Invention
|
Multi layer fire curtain.
A multi-layer rolling fire curtain assembly includes: a multi-layer fi... |
|
|
P/S
|
metal safety doors, and curtains in the nature of metal curtain walls |
|
2023
|
P/S
|
Metal safety doors |
|
2022
|
Invention
|
Slatted door with increased impact resistance. A shutter roller door with a shutter roller drivab... |
|
2021
|
Invention
|
Self-sealing multi-segment retractable fire curtain. A multi-curtain assembly includes: fir... |
|
|
Invention
|
Self-sealing multi-segment retractable fire curtain. A multi-curtain assembly includes: first and... |
|
|
Invention
|
Multi-segment retractable curtain with universal connector. A multi-curtain assembly has cu... |
|
|
Invention
|
Multi-segment retractable curtain with universal connector.
A multi-curtain assembly has curtain... |
|
|
Invention
|
Multi layer fire curtain. A multi-layer rolling fire curtain assembly includes: a rotatable... |
|
|
Invention
|
Multi layer fire curtain. A multi-layer rolling fire curtain assembly includes: a rotatable curta... |
|
2020
|
Invention
|
Master/slave shaft assembly for fire door and curtain. A master/slave shaft arrangement includes:... |
|
|
Invention
|
Slatted door with increased impact resistance. A slatted door includes a plurality of interengage... |
|
|
Invention
|
Deployable strip for multi-segment retractable curtain. A fastener overlay assembly at an ... |
|
|
Invention
|
Deployable strip for multi-segment retractable curtain.
A fastener overlay assembly at an interf... |
|
|
Invention
|
Door assembly with flexible door having automatically locking bottom bar.
A door assembly with a... |
|
2018
|
P/S
|
Fire doors of metal
Textile fire curtains |
|
|
Invention
|
Reduced motor drive shaft for retractable curtain assembly.
A curtain assembly includes: a pair ... |
|
|
P/S
|
Fire safety curtains |
|
2017
|
Invention
|
Balancing strip collector for retractable curtain. A door assembly includes: a rotatable curtain ... |
|
2016
|
Invention
|
Fire and/or smoke blocking device. An assembly for covering an opening in a structure. The assemb... |
|
|
P/S
|
Non-metal fire doors, namely, coiling fire doors, side acting fire doors, and horizontal fire doors |
|
2014
|
Invention
|
Drive assisted roller assembly for rolling door. A coupling for a door/curtain includes a plurali... |
|
2012
|
Invention
|
Coiling door assembly having guide members with narrow wall gap opening and internal smoke or wea... |
|
2011
|
P/S
|
Accordion fire doors with and without emergency egress; horizontal acting coiling and sliding fir... |
|
2008
|
Invention
|
Fire and/or smoke blocking device. A fire door assembly is provided for covering a structure open... |
|
2006
|
Invention
|
Rolling door assembly having pass door arrangement. A rolling door assembly for selectively cover... |
|
2005
|
P/S
|
Operation monitor and controller for fire doors |
|
|
P/S
|
Electronic controller for fire doors |
|
|
P/S
|
Metal doors, namely retractable fire doors with egress |
|
2002
|
P/S
|
accordion fire doors with and without emergency egress; horizontal acting coiling and sliding fir... |
|
2000
|
Invention
|
Self-closing single-sided accordion fire door. An accordion fire door is provided including an ac... |
|
1999
|
Invention
|
A rolling fire door including a plurality of substantially unitary pivotal doors. A curtain-type ... |
|
1997
|
Invention
|
Time delay release mechanism for a fire barrier. A time delay release mechanism has a brake actua... |
|
1996
|
Invention
|
Obstruction-responsive brake actuator for fire door or the like. A brake actuator for use in conj... |
|
1995
|
Invention
|
Rolling door assembly having pass door arrangement. A rolling door assembly (10) for selectively ... |
|
|
P/S
|
metal coiling doors |
|
1994
|
Invention
|
Fire door system. A fire door system comprising first and second fire door assemblies each assemb... |
|
|
Invention
|
Self-closing fire door. The present invention is provided with a mechanism for controlling the op... |
|
1992
|
Invention
|
Fail-safe fire door release mechanism having automatic reset. A resettable fail-safe fire door re... |
