Patent International Class: A62C 2/24

«1

Multi-stage inertization process for preventing and extinguishing fires within enclosed spaces
Inventor: Wagner | Patent Number: 7726410

Door actuator for cooling a fire door
Inventor: Sundolm | Patent Number: 6779309

Safety cabinet
Inventor: Carter, et al. | Patent Number: 6729701

Automatically extendable astragal system
Inventor: McWilliams | Patent Number: 6725602

Method and device for preventing distribution of fire gases in a ventilating system
Inventor: Odelros | Patent Number: 6681863

Electric power modulated lead screw actuated dampers and methods of modulating their operation
Inventor: McCabe | Patent Number: 6557583

Electric power modulated lead screw actuated butterfly blade damper and method of controlling air flow and pressure and pneumatic two position operator
Inventor: McCabe | Patent Number: 6447393

Automatic fire shutter mechanism for rack mounted chassis systems
Inventor: Lattimore, et al. | Patent Number: 6342004

Latch mechanism
Inventor: Backham, et al. | Patent Number: 6318399

Dual temperature fire damper releasing system
Inventor: Kimball, et al. | Patent Number: 6250326

Dual temperature fire damper releasing system
Inventor: Kimball, et al. | Patent Number: 6250326

Power modulating lead screw actuated butterfly blade action damper
Inventor: McCabe | Patent Number: 6224481

Apparatus and method for operating a door
Inventor: Elliott, et al. | Patent Number: 6155324

Method and apparatus for regulating the closing speed of a rolling fire door
Inventor: Thomas, et al. | Patent Number: 6123134

Pull rope shortening device for fire extinguishing units
Inventor: Job | Patent Number: 6076609

Door with integrated smoke detector and hold open
Inventor: Yulkowski | Patent Number: 6049287

Spring hinged actuator
Inventor: Boright | Patent Number: 6038737

Fire responsive closing air vent
Inventor: Biondo | Patent Number: 6022271

Fire and smoke damper
Inventor: Lloyd | Patent Number: 6019679

Safety cabinet latching system
Inventor: Flider, et al. | Patent Number: 5992098

Rotary actuator valve closure apparatus
Inventor: Morgan, et al. | Patent Number: 5975106

Emergency release latch mechanism for smoke hatch
Inventor: Cermola, et al. | Patent Number: 5927012

Rolling fire door including a door hold-open/release system
Inventor: Dever, et al. | Patent Number: 5896907

Time delay release mechanism for a fire barrier
Inventor: McKeon | Patent Number: 5893234

Thermal release apparatus for coupling a damper actuator to a damper blade assembly
Inventor: Holmes, Jr., et al. | Patent Number: 5887849

System for exhausting smoke and controlling fires within a building
Inventor: McKenzie | Patent Number: 5855510

Rolling fire door with delayed closing mechanism
Inventor: Hsieh | Patent Number: 5850865

Door control system and release mechanism
Inventor: Iannuzzi, et al. | Patent Number: 5839766

Door control system and release mechanism
Inventor: Mehalshick | Patent Number: 5812391

Fluid flow control damper
Inventor: Nailor | Patent Number: 5779540

Remotely trippable and resettable damper
Inventor: Attridge, Jr. | Patent Number: 5728001

Door closer for the non-fire side of a fire-door safety installation
Inventor: Lasson, et al. | Patent Number: 5709009

Hazardous gas protection system and method for automatic valve closure
Inventor: Turk, et al. | Patent Number: 5694960

Temperature sensitive fusible link assembly having cooperating projections and slots
Inventor: Gueli | Patent Number: 5686878

Time delay release mechanism for a fire barrier
Inventor: McKeon | Patent Number: 5673514

Emergency door with retractable nose piece, interiorly mounted operating hardware, and hinge supports
Inventor: Goodman, et al. | Patent Number: 5638639

Thermal release apparatus for coupling a damper actuator to a damper blade assembly
Inventor: Wirfel, et al. | Patent Number: 5577525

Door control system and release mechanism
Inventor: Iannuzzi, et al. | Patent Number: 5576581

Fire rated floor door and control system
Inventor: Perrone, Jr., et al. | Patent Number: 5565274

Fire rated floor door and control system
Inventor: Perrone, Jr., et al. | Patent Number: 5554433

Self-closing fire door
Inventor: McKeon | Patent Number: 5542460

Remotely trippable and resettable damper
Inventor: Attridge, Jr. | Patent Number: 5533929

Door apparatus with release assembly
Inventor: Burgess, et al. | Patent Number: 5482103

Danger detector-type automatic control device
Inventor: Tsai | Patent Number: 5469138

Access door eliminator for curtain fire dampers
Inventor: McCabe | Patent Number: 5393263

Mechanism for controlling the raising and lowering of a door
Inventor: Shea | Patent Number: 5386891

Self-closing fire door
Inventor: McKeon | Patent Number: 5355927

Failsafe limit switch with automatic reset for rolling fire door
Inventor: Hsieh | Patent Number: 5355741

Tension release for fire protection system
Inventor: Dick | Patent Number: 5273119

Fire door release mechanism
Inventor: Marlatt, et al. | Patent Number: 5263527

Hold and release mechanism for a fire door spring tension adjusting wheel
Inventor: Marlatt, et al. | Patent Number: 5253693

Fail-safe fire door release mechanism having automatic reset
Inventor: McKeon | Patent Number: 5245879

Fire zone ventilation shut-off system
Inventor: Mildenstein, et al. | Patent Number: 5239817

Mechanism for controlling the raising and lowering of a door
Inventor: Shea | Patent Number: 5203392

Barricade for isolating open areas from spreading fire or smoke
Inventor: Nash | Patent Number: 5188186

Apparatus and method for thrusting a cover over a target area
Inventor: Gainer, Jr. | Patent Number: 5146996

Fusible link assembly
Inventor: Hart, et al. | Patent Number: 4936287

Damper with override control
Inventor: Van Becelaere | Patent Number: 4911065

Heat actuated link
Inventor: McCabe | Patent Number: 4905344

Pneumatic control system for air handling system damper
Inventor: Hill | Patent Number: 4887630

Smoke alarm controlled unlocking apparatus for window bars
Inventor: Newberry | Patent Number: 4837560

Device for automatically closing windows
Inventor: Secco | Patent Number: 4835904

Resettable fire link
Inventor: Barchechat | Patent Number: 4805261

Fusible link construction
Inventor: Gueli | Patent Number: 4796420

Pneumatically operated fire damper
Inventor: White, et al. | Patent Number: 4738189

Automatic closing activator
Inventor: Sampson | Patent Number: 4706330

Fuse design for fire limiters or other safety appliances in ventilation installations
Inventor: Aalto, et al. | Patent Number: 4627498

Safety cabinet latching system
Inventor: Livingston | Patent Number: 4619076

Apparatus for closing fireproof doors
Inventor: Tsuji, et al. | Patent Number: 4598494

Temperature responsive linkage element
Inventor: Gabriel | Patent Number: 4596483

Winch for various shutters used for evacuation of smoke and ventilation purposes
Inventor: Allouche, et al. | Patent Number: 4580463

Speed governing and decoupling drive mechanism
Inventor: Westley | Patent Number: 4572333

Ventilation damper control system
Inventor: Barchechat, et al. | Patent Number: 4545363

Spring-powered actuator
Inventor: Magill, et al. | Patent Number: 4531534

Fast shutter apparatus
Inventor: Zimmermann, et al. | Patent Number: 4515173

Latch for a butterfly damper
Inventor: McCabe | Patent Number: 4474167

Air distributor with automatically closable damper
Inventor: Maxson | Patent Number: 4397223

Damper assembly
Inventor: Becelaere | Patent Number: 4366830

Fire and smoke damper
Inventor: Adams | Patent Number: 4334570

Spring-motor dual-functioning mechanism
Inventor: Magill, et al. | Patent Number: 4333489

Damper blade operating mechanism
Inventor: Magill | Patent Number: 4304248

Low cost, diffuser concealable, volume control, heat responsive, resettable, butterfly damper operator
Inventor: McCabe | Patent Number: 4295486

Inside/outside link
Inventor: McCabe | Patent Number: 4287638

Controlled release door holder
Inventor: Suska | Patent Number: 4267619

Diffuser concealable, volume control, heat-responsive, semi-automatic resetting, butterfly damper and operator
Inventor: McCabe | Patent Number: 4263930

Butterfly smoke/fire damper
Inventor: McCabe | Patent Number: 4241748

Fire escape window system
Inventor: Landem, et al. | Patent Number: 4237654

Electro-thermal fire protection locking clip
Inventor: McCabe, et al. | Patent Number: 4219041

Telescoping heat responsive releasing means
Inventor: McCabe | Patent Number: 4213227

Winch for handling an elevating dome shaped member of a building having a device enabling the instantaneous unlocking of the winch
Inventor: Chastanier | Patent Number: 4195819

Self-resetting, cable operated translating drive link
Inventor: McCabe | Patent Number: 4195384

Door closure apparatus
Inventor: LeKander | Patent Number: 4191412

Automatic energy saver and fire damper for exhaust systems
Inventor: Bowe, et al. | Patent Number: 4177716

Fire damper and method of fabrication
Inventor: McCabe | Patent Number: 4146048

Time delay fire closure releasing device
Inventor: Wardlaw | Patent Number: 4130156

Smoke and heat vent
Inventor: Sandow | Patent Number: 4112620

Quick-closing fire gate
Inventor: Berry | Patent Number: 4108195

Fire vent
Inventor: Anghinetti, et al. | Patent Number: 4104834

Fire damper
Inventor: Pantland, et al. | Patent Number: 4100931

Fire damper
Inventor: Wilson, Jr. | Patent Number: 4084744

«1