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Actuators

Movable or removable closures – Thermal releaser or actuator – Nonfusible
Patent

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Apparatus for closing fireproof doors

Movable or removable closures – Thermal releaser or actuator – Nonfusible
Patent

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Apparatus for closing fireproof doors

Movable or removable closures – Thermal releaser or actuator
Patent

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Arrangement for releasing a fire curtain in a theater

Movable or removable closures – Thermal releaser or actuator – Terminates counterweight condition
Patent

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Device for assisting the opening of a door

Movable or removable closures – Thermal releaser or actuator – Common fuse releases closures for plural openings
Patent

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Device for automatically closing windows

Movable or removable closures – Thermal releaser or actuator – Fusible closure latch or retainer
Patent

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Door having improved closing and latching systems

Movable or removable closures – Thermal releaser or actuator – Fusible closure latch or retainer
Patent

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Door locking device for a door closer having a fire actuated mec

Movable or removable closures – Thermal releaser or actuator – Fusible closure latch or retainer
Patent

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Emergency air vent structure

Movable or removable closures – Thermal releaser or actuator – Nonfusible
Patent

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Emergency door opening actuator

Movable or removable closures – Thermal releaser or actuator – Fusible closure latch or retainer
Reexamination Certificate

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Emergency door with retractable nose piece, interiorly mounted o

Movable or removable closures – Thermal releaser or actuator – Fusible closure latch or retainer
Patent

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Fire door closure reset system

Movable or removable closures – Thermal releaser or actuator – Fusible closure latch or retainer
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Fire-resistant door

Movable or removable closures – Thermal releaser or actuator – Fusible closure latch or retainer
Reexamination Certificate

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Fire-resistant door

Movable or removable closures – Thermal releaser or actuator – Fusible closure latch or retainer
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Heat effect window

Movable or removable closures – Thermal releaser or actuator – Fusible closure latch or retainer
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Heat releasable window guard

Movable or removable closures – Thermal releaser or actuator – Fusible closure latch or retainer
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Magnetic smoke and fire shield

Movable or removable closures – Thermal releaser or actuator – Fusible closure latch or retainer
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Processed peat poultry litter for confined enclosures

Movable or removable closures – Thermal releaser or actuator
Patent

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Release mechanism for a door spring

Movable or removable closures – Thermal releaser or actuator
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Remotely controllable vent door

Movable or removable closures – Thermal releaser or actuator – Common fuse releases closures for plural openings
Patent

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