Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7784234 | Fire stop clamp A fire stop clamp is presented. The fire stop clamp includes a support clamp and a fire stop disc. The support clamp supports a pipe by preventing movement of a pipe towards a structural member. The fire stop disc seals an opening associated with a pipe penetration.... | 08/31/2010 |
| 7762032 | Systems and methods for providing a utility line protection plate Embodiments of the invention are directed to systems and methods for providing a utility line protection plate. In one embodiment of the invention, a system for providing a utility line protection plate can include at least two plate portions configured to resist im... | 07/27/2010 |
| 7406806 | Blast resistant prefabricated wall units Blast resistant prefabricated wall panels contain at least one panel consisting of two structural boards having a thermoset resin-impregnated fiber reinforcing layer therebetween and extending from sides of the panel, the extension wrapped at least partially around ... | 08/05/2008 |
| 7373761 | Self-adjusting intumescent firestopping apparatus A self-adjusting firestopping apparatus for holding of intumescent material within poke-through openings in construction barriers usually being floors but also possibly being walls or ceilings wherein cables or other penetrating members extend therethrough. The self... | 05/20/2008 |
| 7331296 | Shelf section and method A shelf section either having a bottle holding region or a central wood member supporting a platform and adapted to fit against a wall section where there are exposed 2 by 4 wooden posts at spaced intervals. The shelf section has a horizontal platform, part of which... | 02/19/2008 |
| 7331149 | Drywall backing apparatus and method of installing same A method and apparatus for installing backing in walls which include a first, second and third upright U-shaped stud. A first backing member has a first end, a second end, a top, a bottom, a first side and a second side. The first backing member is disposed between ... | 02/19/2008 |
| 7240905 | Method and apparatus for sealing a joint gap between two independently movable structural substrates A system for sealing a joint gap between structural substrate panels such as walls, ceiling and floors making use of a sealing member including a mounting section fixedly secured to one of the surfaces and a covering member extending outwardly therefrom into contact... | 07/10/2007 |
| 7216465 | Connectors, tracks and system for smooth-faced metal framing A novel system for constructing smooth-faced metal framing and novel tracks and track connectors therefore. The system and connectors of the present invention utilize metal framing tracks that demonstrate a U-channel configuration having a base, sidewalls with at le... | 05/15/2007 |
| 7181888 | Interconnected double hull construction for basements An interconnected double hull construction for the basement of a building. The double hull construction includes a plurality of interior wall boards attached to the interior face of the foundation walls in a manner adapted to provide communication between air passag... | 02/27/2007 |
| 7178305 | Hanger bracket A bracket is provided comprising a rectangular and substantially planar base panel, a pair of generally opposed and substantially parallel panels extending generally normal to the base panel and spaced apart, with a third panel extending generally normal to the base... | 02/20/2007 |
| 7152385 | In situ molded thermal barriers Methods, systems, and devices for installing barriers in openings of gaps in or between structures such as walls, ceilings, and floors are described herein. At least one barrier molding bag is positioned in the hole or gap, and a flowable firestop material that is p... | 12/26/2006 |
| 7134252 | Retrofit hurricane and earthquake protection Retrofit connectors that secure together the outside sheathing and underlying structural members of wood-frame or masonry houses, preventing damage when subjected to lateral stresses from a hurricane, or transverse loads from an earthquake. The connectors have speci... | 11/14/2006 |
| 7043880 | In situ molded thermal barriers The invention provides methods, systems, and devices for installing thermal barriers in openings or gaps in or between structures such as walls, ceilings, and floors. At least one thermal barrier molding bag is positioned in the hole or gap, and a flowable firestop ... | 05/16/2006 |
| 7021021 | Connectors, tracks and system for smooth-faced metal framing A novel system for constructing smooth-faced metal framing and novel connectors therefore. The system and connectors of the present invention utilize metal framing members or wall studs that demonstrate a U-channel configuration having a base, sidewalls, and margina... | 04/04/2006 |
| 7021013 | Compensator for compensating thermal expansions A compensator (18) is provided for compensating thermal expansions of ducts or pipelines (10) for carrying flows of hot media, especially ducts that are lined with fire-proof material. The compensator (18) is easy to maintain and is relatively s... | 04/04/2006 |
| 6928777 | Method and apparatus for firestopping a through-penetration An apparatus for creating a firestopping barrier in a through-penetration includes a support mechanism arranged within the through-penetration, firestop material movably connected with the support mechanism, and firestop material arranged between the firestop materi... | 08/16/2005 |
| 6874284 | Fire safety unit A modular, self contained room that can be assembled within a building structure or built at one location and moved into a building structure. The room will have a battery operated electrical system, a self-contained air system and the walls will have a fireproof ge... | 04/05/2005 |
| 6862852 | Sealing system and gasket therefor The invention releases to a sealing system comprising a cylindrical tube of a material that is capable of deformation under the influence of a temperature increase, and a gasket of an at least partially elastic material for sealingly retaining the tube in a lead-thr... | 03/08/2005 |
| 6841209 | Fire protection containers incorporating novel low free-water insulation materials The present invention contemplates water-bearing silicate materials achieved by modifying the basic method of essentially reacting water glass with calcium chloride to bind the free water into solid form without adversely affecting the basic chemical and physical st... | 01/11/2005 |
| 6732481 | Intumescent firestopping apparatus An intumescent firestopping apparatus used in poke-through applications for selectively sealing an opening through a construction barrier such as a wall, floor or ceiling having cables or other penetrating members extending therethrough. The apparatus effectively se... | 05/11/2004 |
| 6705056 | Drywall backing apparatus and method of installing same A method and apparatus for installing backing in walls which include a first, second and third upright U-shaped stud. A first backing member has a first end, a second end, a top, a bottom, a first side and a second side. The first backing member is disposed between ... | 03/16/2004 |
| 6698146 | In situ molded thermal barriers The invention provides methods, systems, and devices for installing thermal barriers in openings or gaps in or between structures such as walls, ceilings, and floors. At least one thermal barrier molding bag is positioned in the hole or gap, and a flowabl... | 03/02/2004 |
| 6658801 | Portable fire curtain system A portable fire curtain system to provide a cloak to cover a vented opening. When deployed it will alleviate the incoming wind, which is fueling the fire. The fire curtain is made of one sheet of a fire resistant or fire proof material that is folded and ... | 12/09/2003 |
| 6474037 | Retrofit hurricane and earthquake protection Retrofit connectors that secure together the outside sheathing and underlying structural members of wood-frame or masonry houses, preventing damage when subjected to lateral stresses from a hurricane, or transverse loads from an earthquake. The connectors... | 11/05/2002 |
| 6470635 | Coupling assembly with intumescent material A firestop coupling assembly (10, 210 or 310) for allowing the passage of utility members (50 or 52) through a hole in a partition (54 or 56) while preventing the transmission of fire and smoke through the hole. The coupling assembly including a coupling ... | 10/29/2002 |
| 6427413 | Grooved construction lumber for constructing lumber structures A grooved construction lumber element for use in constructing lumber structures such as wall framing, roof trusses, load bearing beams, deck and stair railings, and the like, is described. The construction lumber element is comprised of a straight lumber ... | 08/06/2002 |
| 6405502 | Firestop assembly comprising intumescent material within a metal extension mounted on the inner surface of a plastic coupling A firestop coupling assembly for allowing the passage of utility members through a hole in a partition while preventing the transmission of fire and smoke through the hole. The coupling assembly includes a coupling and a firestop extension. The firestop e... | 06/18/2002 |
| 6260318 | Unitary metal bridge, fire stop and backing device The present invention relates to wall construction, and more particularly to a new and improved means for bracing parallel studs, draft dampening between parallel studs within interior wall structures, and anchoring hand rails and grab bars to walls using... | 07/17/2001 |
| 6189277 | Firestop cavity occlusion for metallic stud framing A frame wall (20) incorporating occlusion brackets (26) is provided. The frame wall (20) incorporates a pair of adjacent and substantially parallel framing members (22). Each framing member (22) has a substantially U-shaped cross section and encompasses a... | 02/20/2001 |
| 6176052 | Fire retarding division penetrating member The installation of a fire retarding division-penetrating member is enhanced and the member fits the outer circumference of inconstant penetrating material to prevent the filler from dropping. The heat expansion fire resistant material may be securely pro... | 01/23/2001 |
| 6164028 | Reinforced steel stud structure A horizontal bridging member is mounted between a pair of metallic studs to prevent relative motion between the two studs.... | 12/26/2000 |
| 6112488 | Fire barrier material and gaskets therefor A fire resistant gasket for architectural joints comprises an intumescent material mat having a first major surface and a second major surface, wherein at least one of said first and second major surfaces has coated thereon an adhesive. A fire barrier is ... | 09/05/2000 |
| 6112490 | Spray insulation shield apparatus and application method An insulation confining shield and application method, the shield mountable between elongated structural framing members in an unfinished wall or ceiling for insulation dispensed as curable liquid having a blowing agent or an insulation material with a cu... | 09/05/2000 |
| 6065250 | Reinforced handrail A reinforced handrail provides two to four brackets attached to wallboard in a linear manner. Two brackets are end brackets, and there may be one or more center brackets. The wallboard is supported by vertically oriented 2×4 studs at spaced intervals, an... | 05/23/2000 |
| 5970670 | Intumescent fire arrester collar for pipelines A fire collar (10) is supported around a plastic material pipe (30) extending through a bore (32) in a wall (44). The fire collar (10) comprises a cylindrical metal collar (12) carrying a layer of intumescent material (36) on its inner circumferential sur... | 10/26/1999 |
| 5964071 | Frame material for wall A frame material for a wall of a building, including a metal beam, and a tubular rectangular metal stud having opposite sides each provided with a window through which the beam is capable of being inserted and in which the beam is received such that the l... | 10/12/1999 |
| 5953872 | Fire barrier assembly A barrier assembly for blocking the spread of fire and smoke includes a building partition having a partition outer face and having a substantially circular partition opening, the partition opening having a certain opening inner diameter, a plastic pipe h... | 09/21/1999 |
| 5765332 | Fire barrier protected dynamic joint A fire barrier protected dynamic joint in a structure, and a method for installing the same. The fire barrier protected dynamic joint includes a flexible sheet of a fire barrier material and a adhesive material for bonding the sheet to an attachment area ... | 06/16/1998 |
| 5638907 | Fire extinguisher cabinet mounting A simple and inexpensive, but highly effective, single-walled fire-rated enclosure for a fire extinguisher cabinet which maintains the integrity of 1- and 2-hour fire-rated walls. The enclosure requires only five panels of fire-rated material which are fi... | 06/17/1997 |
| 5634304 | Water impervious intumescent firestop collapsing conduit A firestop conduit element is formed of an inner conduit of fusible material surrounded by intumescent material which is contained within an exterior moisture impenetrable barrier. A preferred barrier is an external sleeve, bonded at its ends to the condu... | 06/03/1997 |
