US Patent 12123534 Fire protection sleeve

US Patent 7240905 Method and apparatus for sealing a joint gap between two independently movable structural substrates

US Patent 7373761 Self-adjusting intumescent firestopping apparatus

US Patent 7375277 Double flanged bushings and installation methods

US Patent 7427050 Apparatus for adjustably retaining and sealing pathway conduits mounted extending through a wall panel

US Patent 7465888 Cast-in element for forming a leadthrough for conduits

US Patent 7478503 Fire stop frame assembly

US Patent 7523590 Intumescent firestopping apparatus and method

US Patent 7560644 Passive fire protection system for energized electric utility facilities and method of installation

US Patent 7596914 Universal firestopping collar assembly

US Patent 7681365 Head-of-wall fireblock systems and related wall assemblies

US Patent 7685792 Apparatus for enhancing reinforcing and firestopping around a duct extending through a structural panel

US Patent 7694474 Method and apparatus for firestopping around a water closet drain pipe in a vertical floor opening

US Patent 7712791 Caulking system

US Patent 7797893 Apparatus for reinforcing and firestopping around a duct extending through a structural panel

US Patent 7856775 Thermal insulation and sealing means for a safing slot

US Patent 7866108 Head-of-wall fireblock systems and related wall assemblies

US Patent 7867591 Assembly tape with perforation and expansion reserve

US Patent 7950198 Fire-rated wall construction product

US Patent 8051614 Intumescent structure for ducting carrying communications cabling

US Patent D657232 Firestopping bushing made from two separate identical parts

US Patent 8188382 Leadthrough for passing conduits through constructional components

US Patent 8266854 Grommet closure device

US Patent 8349426 Sealing tape of soft foam

US Patent 8375666 Firestopping sealing means for use with gypsum wallboard in head-of-wall construction

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

US Patent 8397451 Ceiling wiring access point device

US Patent 8397452 Firestopping bushing

US Patent 8584415 Firestopping sealing means for use with gypsum wallboard in head-of-wall construction

US Patent 8590231 Fire-rated joint system

US Patent 8595999 Fire-rated joint system

US Patent 8671632 Wall gap fire block device, system and method

US Patent 8672275 Firestop collar

US Patent 8683762 Data center flooring arrangements

US Patent 8739482 Firestopping apparatus with airflow-blocking elements

US Patent 8793946 Means for firestopping a curtain wall construction

US Patent 8826599 Insulating gasket construction for head-of-wall joints

US Patent 8833478 Fire stop system

US Patent 8869475 Self-adjusting firestopping sleeve apparatus with flexibly resillient supplemental constriction means

US Patent 8887458 Self-adjusting firestopping sleeve apparatus with flexibly resilient supplemental constriction means

US Patent 8910949 Seal with fire protection

US Patent 8911206 Brush-type seal for an air-handling unit

US Patent 8955275 Head-of-wall firestopping insulation construction for fluted deck

US Patent 8967438 Job box

US Patent 9046194 Protective conduit for a structural panel opening

US Patent 9121527 Fire prevention sleeve

US Patent 9157232 Adjustable head-of-wall insulation construction for use with wider wall configurations

US Patent 9162093 Holder for a fire protection sleeve

US Patent 9220932 Fire stop system

US Patent 9861843 Bracket for a firestop collar and use of this bracket

US Patent 11591790 Sealing tape for sealing a joint

US Patent 6848227 Intumescent floor opening frame

US Patent D502147 Stackable building panel pass-through fixture

US Patent 6928777 Method and apparatus for firestopping a through-penetration

H02G 3/22

H02G 3/0412

F16L 5/04

E04B 1/941

A62C 3/16

A62C 2/065