|
2020
|
G/S
|
Ducts, namely, metal ducts for ventilation installations, metal ducts for ventilation, heating, a... |
|
|
Invention
|
Fire-rated ventilation duct and improvements therein. A fire-rated ventilation duct system and im... |
|
2019
|
G/S
|
fire rated materials, namely, fire resistant insulating board for use in fire-rated wall assembli... |
|
|
G/S
|
Fire-resistant panels made of metal and non-combustible materials not of metal for building
Fire-... |
|
2018
|
Invention
|
Pre-fabricated modular fire-rated conduit assembly. A fire-rated conduit assembly. The fire-rated... |
|
2013
|
Invention
|
Fire-rated modular duct assembly and improvements therein. A fire-rated exhaust duct system compr... |
|
2012
|
Invention
|
Fire-rated modular duct assembly suitable for exhausting flammable or hazardous gases, vapours an... |
|
2009
|
Invention
|
Apparatus for protecting cable trays, conduits and/or cables. An enclosure apparatus for protecti... |
|
2007
|
G/S
|
METAL BUILDING MATERIALS, NAMELY, FIRE RESISTANT BOARDS AND PANELS FOR USE AS BARRIERS, PARTITION... |
|
|
Invention
|
Method and apparatus for a modular fire-barrier system. An apparatus for a modular fire-barrier s... |
