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Class Information
Number: 52/232
Name: Static structures (e.g., buildings) > Irreversibly reactive component
Description: Structure including (1) a component in one layer which reacts chemically with a component of another layer or (2) a component which irreversibly changes in physical or chemical structure other than a mere dimensional change with variations in ambient conditions, e.g., heat or moisture.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5309688 |
Concrete slab penetration unit for pipes |
May. 10, 1994 |
| 5305577 |
Fire-resistant structure containing gypsum fiberboard |
Apr. 26, 1994 |
| 5301475 |
Fire stop device |
Apr. 12, 1994 |
| 5299836 |
Floor waste fitting support |
Apr. 5, 1994 |
| 5279087 |
Smoke seal |
Jan. 18, 1994 |
| 5257641 |
Retrofittable fire-stop device |
Nov. 2, 1993 |
| 5255481 |
Spacer and spacer frame for an insulating glazing unit and method of making same |
Oct. 26, 1993 |
| 5244709 |
Fire screening, light-transmitting panels with intumescent material and exposed connection surfaces |
Sep. 14, 1993 |
| 5194192 |
Method for preparing watertight and fireproof cable ducts through ceilings and walls |
Mar. 16, 1993 |
| 5183070 |
Firestop device for flammable floor construction |
Feb. 2, 1993 |
| 5177916 |
Spacer and spacer frame for an insulating glazing unit and method of making same |
Jan. 12, 1993 |
| 5174077 |
Fire protecting structure of channel portion of plastic piping in a fire partition |
Dec. 29, 1992 |
| 5155957 |
Fire safety device |
Oct. 20, 1992 |
| 5129201 |
Fire safety device |
Jul. 14, 1992 |
| 5127425 |
Horizontal firestop fitting |
Jul. 7, 1992 |
| 5121594 |
Method for attaching a poke-through electrical fitting |
Jun. 16, 1992 |
| 5105592 |
Fire barrier device |
Apr. 21, 1992 |
| 5103609 |
Intumescable fire stop device |
Apr. 14, 1992 |
| 5099625 |
Partition wall for openings in building shells, forming fire proof sections |
Mar. 31, 1992 |
| 5088249 |
Roof covering or wall covering |
Feb. 18, 1992 |
| 5079088 |
Water barrier |
Jan. 7, 1992 |
| 5077946 |
Installation module or block |
Jan. 7, 1992 |
| 5067676 |
System for the prevention of fire, water or flue gas and the like from propagating along cables |
Nov. 26, 1991 |
| 5058341 |
Method for constructing fire-stop collar assembly and apparatus thereof |
Oct. 22, 1991 |
| 5058342 |
Moulded components and their manufacture |
Oct. 22, 1991 |
| 4993203 |
Fireproof frame structure in a building opening portion |
Feb. 19, 1991 |
| RE33501 |
Fire-rated beam with expansion relief section |
Dec. 25, 1990 |
| 4951442 |
Method for constructing fire-stop collar assembly |
Aug. 28, 1990 |
| 4936064 |
Fireproof panel |
Jun. 26, 1990 |
| 4932179 |
Abandonment plug for concrete floors |
Jun. 12, 1990 |
| 4930276 |
Fire door window construction |
Jun. 5, 1990 |
| 4918761 |
Method of using a toilet-flange cast-in mount |
Apr. 24, 1990 |
| 4916877 |
Fire strip construction |
Apr. 17, 1990 |
| 4916800 |
Fire-retardant fluid coupling assembly and method |
Apr. 17, 1990 |
| 4912894 |
Interlocking cross tee |
Apr. 3, 1990 |
| 4905441 |
System for strengthening structural elements |
Mar. 6, 1990 |
| 4901488 |
Fire/smoke protection structure for a plastic pipe or cable channel portion in a floor or wall |
Feb. 20, 1990 |
| 4894966 |
Fire stopping apparatus |
Jan. 23, 1990 |
| 4893444 |
Fire expansion joint for ceiling runner |
Jan. 16, 1990 |
| 4889312 |
Waterstop for concrete form separator |
Dec. 26, 1989 |
| 4888925 |
Fire-retardant fluid coupling assembly and method |
Dec. 26, 1989 |
| 4882886 |
Automatically-releasable pipe attachment device |
Nov. 28, 1989 |
| 4862668 |
Spacers made of foamed polymeric material and method of using same in laying tile |
Sep. 5, 1989 |
| 4850173 |
Process for the inhibition of spread of fire and for protection against effect of fire in burning buildings |
Jul. 25, 1989 |
| 4850385 |
Fire stop pipe coupling adaptor |
Jul. 25, 1989 |
| 4848043 |
Under floor fire stop coupling and method |
Jul. 18, 1989 |
| 4849282 |
Prestressing steel material |
Jul. 18, 1989 |
| 4830913 |
Fire-resistant glazing and method of making same |
May. 16, 1989 |
| 4830347 |
Assembly for and a method of absorbing impact shock loads |
May. 16, 1989 |
| 4827681 |
Interlocking cross tee |
May. 9, 1989 |
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