Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7685792 | Apparatus for enhancing reinforcing and firestopping around a duct extending through a structural panel An angular flange for reinforcing and firestopping in the annulus between a structural panel such as a wall, ceiling or floor and a duct extending therethrough. The prefabricated angular flange includes a primary angular flange leg to be secured to the duct and a se... | 03/30/2010 |
| 7104019 | Composite insulating profile A composite profiled construction element has a pair of metallic, elongated, and transversely spaced profiles having inner faces spaced from and directed toward each other and a pair of elongated and transversely spaced connector webs bridging the profiles, having o... | 09/12/2006 |
| 6968657 | Patio door assembly with extruded plastics components Sections of extruded rigid plastics material form a rectangular main frame including a pair of vertical jamb members, a top head member and a bottom sill member connected by welded mitered corners. An extruded plastic astragal member is spaced between the jamb membe... | 11/29/2005 |
| 6705047 | Door and door closer assembly A door assembly includes a door frame having a horizontal header along the top thereof. A firestop extends downwardly from the header, the firestop has a plurality of sides defining a channel therein. The firestop has an at least partially open side to allow the cha... | 03/16/2004 |
| 6425221 | Method of fabricating muntin bars for simulated divided lite windows A method for fabricating muntin grid pieces includes steps that attach a pair of material strips to opposed edges of the muntin bar element. The material strips may be provided in side-by-side strips that may be separated an simultaneously applied to the ... | 07/30/2002 |
| 5943824 | Fire rated, hinged, swinging door A device for reducing the spacing between the lock side of a door and an adjacent member, such as another door or door frame, should the spacing between the member and lock side of the door increase to a point where the fire rating of the door and member ... | 08/31/1999 |
| 5860268 | Light-weight concrete door A three-hour fireproof door (20) is made from a metal frame (26), a body (28), and a hinge (30). The body (28) is made from a concrete mix (40). The metal frame (26) is such that, when attached to a mold base (34), the body (28) may be cast in place. The ... | 01/19/1999 |
| 5694731 | Fire resistant frame structure for windows, doors, facades or glass roofs A fire resistant frame structure for windows, doors, facades or glass roofs, includes a metallic structural element for connection to at least one other metallic structural element to form a frame. Secured to the outside and/or inside of the frame are sla... | 12/09/1997 |
| 5687532 | Fire endurance rated plastic articles for use in fire rated assemblies A plastic article such as a thermoplastic extruded door frame or laminated composite floor for railroad cars having at least one internal cavity wherein the cavity is filled with an intumescent. When exposed to fire, such an article retards or inhibits th... | 11/18/1997 |
| 4993203 | Fireproof frame structure in a building opening portion A structure of a fireproof frame for building opening portions wherein a groove is formed over the entire circumference of a wood frame, which is disposed to a building opening portion, at the surface abutted against an opening member. A non-combustible h... | 02/19/1991 |
| 4603524 | Fire resistant glazing system A glazing strip for mounting a pane, the strip including an extrusion of U-shape cross-section to define a channel for receiving a marginal edge portion of the pane to be mounted, the extrusion being hollow to define a U-shaped void in which is housed int... | 08/05/1986 |
| 4550542 | Vision panel frame A vision unit which can be easily assembled into the opening in a door such as a fire door which is constructed so that it can withstand high temperatures without disintegration. The vision unit is readily assembled into an opening in the door by one pers... | 11/05/1985 |
| 4513552 | Sheet aluminum fireproof construction element A fireproof building element comprises a panel of nonflammable nonmetallic material, specifically glass, surrounded by an at least partly metallic framework with legs of rectangular cross-section divided by the plane of a surface of the panel into two fra... | 04/30/1985 |
| 4397116 | Fire resistant door A fire resistant door has at least one swingable leaf which includes a glass plate. The swingable leaf comprises an inner frame composed of one or two tubular subframes having a general plane and a rigid outer cover frame. The outer frame has lateral wall... | 08/09/1983 |
