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US Patent 11655919 Fire protection sleeve

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Edits on 24 May, 2023
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 US Patent 11655919 Fire protection sleeve

Article

A firestop collar (

Infobox
Is a
Patent
Patent
0
Patent Applicant
Hilti
Hilti
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Current Assignee
Hilti
Hilti
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
116559190
Date of Patent
May 23, 2023
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Patent Application Number
174689720
Date Filed
September 8, 2021
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Patent Citations
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US Patent 7240905 Method and apparatus for sealing a joint gap between two independently movable structural substrates
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US Patent 7427050 Apparatus for adjustably retaining and sealing pathway conduits mounted extending through a wall panel
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US Patent 7478503 Fire stop frame assembly
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US Patent 7523590 Intumescent firestopping apparatus and method
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US Patent 7560644 Passive fire protection system for energized electric utility facilities and method of installation
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US Patent 7685792 Apparatus for enhancing reinforcing and firestopping around a duct extending through a structural panel
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US Patent 7694474 Method and apparatus for firestopping around a water closet drain pipe in a vertical floor opening
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US Patent 7856775 Thermal insulation and sealing means for a safing slot
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US Patent 8051614 Intumescent structure for ducting carrying communications cabling
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US Patent D657232 Firestopping bushing made from two separate identical parts
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US Patent 8188382 Leadthrough for passing conduits through constructional components
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US Patent 8375666 Firestopping sealing means for use with gypsum wallboard in head-of-wall construction
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US Patent 8393121 Fire-stop system for placement in a conduit through which a thermally weakenable pipe extends, method for placing the system and conduit provided with such a system
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US Patent 8584415 Firestopping sealing means for use with gypsum wallboard in head-of-wall construction
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US Patent 8590231 Fire-rated joint system
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US Patent 8671632 Wall gap fire block device, system and method
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US Patent 8672275 Firestop collar
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US Patent 8793946 Means for firestopping a curtain wall construction
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US Patent 8869475 Self-adjusting firestopping sleeve apparatus with flexibly resillient supplemental constriction means
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US Patent 8887458 Self-adjusting firestopping sleeve apparatus with flexibly resilient supplemental constriction means
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US Patent 8910949 Seal with fire protection
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US Patent 8955275 Head-of-wall firestopping insulation construction for fluted deck
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US Patent 9046194 Protective conduit for a structural panel opening
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US Patent 9121527 Fire prevention sleeve
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US Patent 9157232 Adjustable head-of-wall insulation construction for use with wider wall configurations
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US Patent 9162093 Holder for a fire protection sleeve
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US Patent 9220932 Fire stop system
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US Patent 9861843 Bracket for a firestop collar and use of this bracket
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Patent Primary Examiner
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Babajide A Demuren
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CPC Code
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H02G 3/22
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H02G 3/0412
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F16L 5/04
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E04B 1/941
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A62C 3/16
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A62C 2/065
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