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Class Information
Number: 52/317
Name: Static structures (e.g., buildings) > Draft stop between studs; e.g., fire stop
Description: Structure wherein a wall cavity is broken up into a plurality of dead air spaces by elongated transverse elements the ends of which engage adjacent vertical framing members (studs) and the sides of which engage the opposed inner surfaces of the wall surfacing.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7571578 |
Thermal wall system |
Aug. 11, 2009 |
| 7523590 |
Intumescent firestopping apparatus and method |
Apr. 28, 2009 |
| 7520100 |
Support backing for wall structure |
Apr. 21, 2009 |
| 7459190 |
Fire protection containers incorporating novel low free water insulation materials |
Dec. 2, 2008 |
| 7406806 |
Blast resistant prefabricated wall units |
Aug. 5, 2008 |
| 7373761 |
Self-adjusting intumescent firestopping apparatus |
May. 20, 2008 |
| 7240905 |
Method and apparatus for sealing a joint gap between two independently movable structural substrates |
Jul. 10, 2007 |
| 7152385 |
In situ molded thermal barriers |
Dec. 26, 2006 |
| 7043880 |
In situ molded thermal barriers |
May. 16, 2006 |
| 6928777 |
Method and apparatus for firestopping a through-penetration |
Aug. 16, 2005 |
| 6874284 |
Fire safety unit |
Apr. 5, 2005 |
| 6862852 |
Sealing system and gasket therefor |
Mar. 8, 2005 |
| 6841209 |
Fire protection containers incorporating novel low free-water insulation materials |
Jan. 11, 2005 |
| 6732481 |
Intumescent firestopping apparatus |
May. 11, 2004 |
| 6705056 |
Drywall backing apparatus and method of installing same |
Mar. 16, 2004 |
| 6698146 |
In situ molded thermal barriers |
Mar. 2, 2004 |
| 6658801 |
Portable fire curtain system |
Dec. 9, 2003 |
| 6474037 |
Retrofit hurricane and earthquake protection |
Nov. 5, 2002 |
| 6470635 |
Coupling assembly with intumescent material |
Oct. 29, 2002 |
| 6427413 |
Grooved construction lumber for constructing lumber structures |
Aug. 6, 2002 |
| 6405502 |
Firestop assembly comprising intumescent material within a metal extension mounted on the inner surface of a plastic coupling |
Jun. 18, 2002 |
| 6260318 |
Unitary metal bridge, fire stop and backing device |
Jul. 17, 2001 |
| 6189277 |
Firestop cavity occlusion for metallic stud framing |
Feb. 20, 2001 |
| 6176052 |
Fire retarding division penetrating member |
Jan. 23, 2001 |
| 6164028 |
Reinforced steel stud structure |
Dec. 26, 2000 |
| 6112488 |
Fire barrier material and gaskets therefor |
Sep. 5, 2000 |
| 6112490 |
Spray insulation shield apparatus and application method |
Sep. 5, 2000 |
| 6065250 |
Reinforced handrail |
May. 23, 2000 |
| 5970670 |
Intumescent fire arrester collar for pipelines |
Oct. 26, 1999 |
| 5964071 |
Frame material for wall |
Oct. 12, 1999 |
| 5953872 |
Fire barrier assembly |
Sep. 21, 1999 |
| 5765332 |
Fire barrier protected dynamic joint |
Jun. 16, 1998 |
| 5638907 |
Fire extinguisher cabinet mounting |
Jun. 17, 1997 |
| 5634304 |
Water impervious intumescent firestop collapsing conduit |
Jun. 3, 1997 |
| 5548934 |
Firestop apparatus for allowing pipe movement |
Aug. 27, 1996 |
| 5461838 |
Fire barrier |
Oct. 31, 1995 |
| 5456050 |
System to prevent spread of fire and smoke through wall-breaching utility holes |
Oct. 10, 1995 |
| 5421127 |
Fire stop closure |
Jun. 6, 1995 |
| 5401588 |
Gypsum microfiber sheet material |
Mar. 28, 1995 |
| 5398467 |
Fire barrier aeration device with static elements |
Mar. 21, 1995 |
| 5331946 |
Apparatus and method for sealing an opening in a fire partition through which a combustible conduit extends |
Jul. 26, 1994 |
| 5301475 |
Fire stop device |
Apr. 12, 1994 |
| 5274973 |
Stud spacer and mounting system |
Jan. 4, 1994 |
| 5214900 |
Method and means for supporting overhead joists to create greater headroom |
Jun. 1, 1993 |
| 5189857 |
Flush mount bridging and backing |
Mar. 2, 1993 |
| 5187910 |
Fire barrier system |
Feb. 23, 1993 |
| 5155957 |
Fire safety device |
Oct. 20, 1992 |
| 5148645 |
Use of fibrous mat-faced gypsum board in shaft wall assemblies and improved fire resistant board |
Sep. 22, 1992 |
| 5129201 |
Fire safety device |
Jul. 14, 1992 |
| 5058346 |
Fire protection collar |
Oct. 22, 1991 |
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