Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8161696 | Sleeve system and method of using Herein is disclosed a sleeve system and methods of using the system. The system uses an elongated open-ended sleeve, and mounting plate parts which mate with each other to form a mounting plate and which are securable to each other and to a wall. The mounting plate ... | 04/24/2012 |
| 8156700 | Continuous heat welded flexible PVC membrane with an interlocking vapor barrier system An assembly for sealing such as a rooftop which can include at least one type of projecting conduit such as a projecting pipe or an HVAC duct. A plurality of thermoformed membranes are provided in sheet form and are configured for applying over an exterior of the ro... | 04/17/2012 |
| 8146305 | Pass-through firestop apparatus and methods Herein are disclosed are apparatus and methods for forming firestopped through-penetrations in poured concrete partitions. The apparatus and methods use an intumescent firestop ring that can be used in combination with a removable sleeve. The firestop ring is detach... | 04/03/2012 |
| 8122655 | Frame and method of comprising one or more elastic modules for cable entries, pipe penetrations or the like The present invention concerns a frame (1) for receiving one or more elastic modules (2) forming cable entries, pipe penetrations or the like. The frame (1) has a form automatically compressing the one or more modules (2) at mounting to a... | 02/28/2012 |
| 8069623 | Sleeve system and method of using Herein is disclosed a sleeve system and methods of using the system. The system uses an elongated open-ended sleeve, and mounting plate parts which mate with each other to form a mounting plate and which are securable to each other and to a wall. The mounting plate ... | 12/06/2011 |
| 8051614 | Intumescent structure for ducting carrying communications cabling An intumescent structure provides a hermetic-type barrier within a fiber duct through which communications cabling is extended. The structure is formed of a fire-resistant body possessing a plurality of pre-perforated forms that extend through the body. Each of the ... | 11/08/2011 |
| 8024900 | Pass-through firestop apparatus and methods Herein are disclosed are apparatus and methods for forming firestopped through-penetrations in poured concrete partitions. The apparatus and methods use an intumescent firestop ring that can be used in combination with a removable sleeve. The firestop ring is detach... | 09/27/2011 |
| 8001737 | Corrugated deck sealing devices, apparatus, systems and methods of installation Devices, apparatus, systems and methods of installing one-piece sleeve assemblies corrugated decks in floors that are used for plumbing, mechanical, electrical and miscellaneous pipe applications, against water, fire and smoke. A one-piece sleeve assembly combines a... | 08/23/2011 |
| 7950195 | Adjustable housing assembly An adjustable housing assembly for mounting to a wall is disclosed. The assembly generally includes a back plate having a flange that defines an axis extending perpendicularly from the back plate and a front plate disposed in parallel relationship to the back plate.... | 05/31/2011 |
| 7877941 | Leadthrough for a conduit A leadthrough (10) for passing conduits through a constructional component includes a tube (11), a base member (16) arranged at the first axial end (12) of the tube (11) and having a receiving space (18) for isolating means ... | 02/01/2011 |
| 7836645 | Devices and methods for protecting exposed pipe ends Devices are provided for protecting pipe ends at a construction site on which concrete will be poured from being moved out of position or damaged during construction or from injuring workers. The devices have an upper frame and an enclosure adapted to fit together t... | 11/23/2010 |
| 7797893 | Apparatus for 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 first flange leg to be secured to the duct and a second flang... | 09/21/2010 |
| 7730681 | Air conditioning line flashing panel A flashing panel mount for a plurality of air-conditioning lines of an air-conditioning unit located about an exterior of a building is provided. The plurality of air-conditioning lines defines an outer periphery. The panel mount may comprise a hood member and a cov... | 06/08/2010 |
| 7673427 | Clamp for use with metal bar joists and beams A clamp for use with metal bar joists (or beams) has one or more steel angled bracket members or plates, adapted to fit under the corrugations of a corrugated steel roof. Each plate of the clamp is adapted to sit horizontally across a top of the bar joist perpendicu... | 03/09/2010 |
| 7665256 | Method and apparatus for firestopping a through-penetration A method and apparatus for creating firestopping barrier in a partition, such as a wall, floor, or ceiling, that is mounted adjacent the opening includes a housing containing a central opening. The cross-sectional area of the housing is greater than the cross-sectio... | 02/23/2010 |
| 7596914 | Universal firestopping collar assembly A collar positionable about a panel penetrating member for sealing therearound and particularly for firestopping therearound which prevents the flow of smoke and may include an intumescent component for expansion during exposure to heat. A collar assembly is usable ... | 10/06/2009 |
| 7549258 | Adjustable housing assembly An adjustable housing assembly for mounting to a wall is disclosed. The assembly generally includes a back plate having a flange that defines an axis extending perpendicularly from the back plate and a front plate disposed in parallel relationship to the back plate.... | 06/23/2009 |
| 7464507 | Devices and methods for protecting exposed pipe ends during construction Devices and methods are provided for protecting pipe ends that project upwardly during building construction and for reducing the safety hazard posed by such pipe ends. The devices include a rigid body suitable for positioning on a base on which concrete will be pou... | 12/16/2008 |
| 7442883 | Poke-through floor device with heat-isolation feature A poke-through device for installation in a hole in a floor structure. The floor structure defined by a floor in a first working environment and a ceiling in a second working environment. The poke-through device includes a basket, thermal barrier, lower plate and at... | 10/28/2008 |
| 7438324 | Method and components for repairing broken conduit extending from concrete foundations A broken conduit end portion is repaired by reducing its radial wall thickness and attaching thereto a repair coupling that is configured to provide an internal passage therethrough that is not smaller than the internal passages in the broken conduit end portion and... | 10/21/2008 |
| 7427050 | Apparatus for adjustably retaining and sealing pathway conduits mounted extending through a wall panel A multi-part mounting assembly for securing a plurality of individual pathway conduits relative to one another extending through a wall panel between adjacently positioned wall studs including two support members extending parallel to one another and defining thereb... | 09/23/2008 |
| 7389616 | Air conditioning line flashing panel A flashing panel mount for a plurality of air-conditioning lines of an air-conditioning unit located about an exterior of a building is provided. The plurality of air-conditioning lines defines an outer periphery. The panel mount may comprise a hood member and a cov... | 06/24/2008 |
| 7387288 | Fitting for ENT tubing A fitting for attaching ENT tubing to a concrete form has an inverted cup-like configuration with a bottom opening and an internal cavity within a fitting wall. A flange extends outwardly from the fitting wall around the bottom opening and has fastener-receiving hol... | 06/17/2008 |
| 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 |
| 7357364 | Mounting devices Support devices are adapted for use to releasably attach mounting items to structures constructed of brick, stone, concrete or cinder block, or other comparable materials. The devices have expander and support portions. The expander portion have two inter-fitting we... | 04/15/2008 |
| 7350822 | Lip coupling A lip coupling for connecting together two pieces of pipe above a hole in the floor, the coupling having a semi-spherical upper portion connecting with a lower cylindrical portion, the semi-spherical upper portion having an outer diameter exceeding the outer diamete... | 04/01/2008 |
| 7347031 | Joist reinforcing bracket A bracket for reinforcing a wooden joist including a body having a central portion with a base wall. An upper portion is integrally formed with the central portion and has a first wall secured to and extending forwardly from the top of the base wall and a second wal... | 03/25/2008 |
| 7341255 | Sealing fitting with expanding material An expanding compound is used to seal conduit fittings. The compound is injected into the fitting, and expands to separate conductors within the fitting. In one embodiment, the compound expands to four times its size, and hardens within approximately one hour. In a ... | 03/11/2008 |
| 7305801 | Air conditioning line flashing panel There is provided a flashing panel mount adapted for an air conditioning unit which is located about an exterior of a building. The panel mount features a generally rigid panel that is attachable to the building. The panel mount further features a hood member which ... | 12/11/2007 |
| 7290376 | Wall device for fittings A wall device for supporting fittings includes a plurality of horizontal and vertical uprights (2), which can be assembled together to form the wall device. The horizontal and vertical uprights are mutually coupled together by at least one first adjustable fi... | 11/06/2007 |
| 7285733 | Recessed poke-thru fitting A poke-thru fitting includes a plurality of stacked modules, each of the plurality of stacked modules being configured to retain at least a power receptacle and a communication receptacle, wherein an axial cross-sectional envelope of the fitting remains constant des... | 10/23/2007 |
| 7281356 | Modular bracket with selectable radius for supporting passage cores for concrete structures A support module interconnects with other support modules to support a number of core elements for encapsulation within a concrete structure. The module has a planar frame defining first and second cutouts. Each cutout has an arc shape so that when modules are assem... | 10/16/2007 |
| 7278878 | Method and apparatus for A.C. outlet having grounds-out receptacles The present invention provides a method, apparatus and means to address the problem of attempting to utilize two large power plugs with transformers, converters and/or 90 degree plugs simultaneously with one duplex power receptacle. This invention discloses a duplex... | 10/09/2007 |
| 7244085 | Fastener assembly A fastener assembly includes a grommet having an enlarged bulbous body and a cylindrical extension projecting therefrom, the projection and body defining axially aligned openings therethrough. The cylindrical projection is configured to retain a washer on the outsid... | 07/17/2007 |
| 7241146 | Shore power wire harness A wire harness for a truck, truck and trailer, a recreational vehicle or bus includes a rear removable connector positioned adjacent to the rear of the vehicle, a first cable attached to the bottom of the vehicle having one end attached to the rear removable connect... | 07/10/2007 |
| 7216459 | Access hatch cover assembly with lift-assist assembly and method therefor A hatch cover with spring assembly to assist in lifting open the hatch cover lid. The lid is hinged to a frame so it can be rotated about the hinge to an open position. A spring or a pair of springs are attached to the underside of the lid. Each spring is a torsion ... | 05/15/2007 |
| 7216467 | Column to structure attachment device A column to structure attachment device and method is disclosed for securing a support column between a base structure and a beam structural member. The device includes a structural column having a first end and a second end with a void parallel to a longitudinal ax... | 05/15/2007 |
| 7214332 | Flame-resistant-thermoset coating A thermosetting-resin-based coating that is capable of forming a substantially flame-resistant barrier upon being exposed to heat. The coating includes a thermoset resin, an acid catalyst having a pKa value of less than 2, a filler selected from glass, mica, talc, p... | 05/08/2007 |
| 7193153 | Penetration fire stop device Fire Stop devices, for walls having cables that run through a wall opening, are provided on exposed ends of a conduit placed in the wall opening. Each fire stop device has a hollow housing fitted to the exposed end of the conduit, and a front wall of the housing has... | 03/20/2007 |
| 7183503 | Recessed in-floor fitting Embodiments of the present invention include an in-floor fitting for providing access to an underfloor electric distribution system. The in-floor fitting includes a cover configured to move between open and closed positions and being moved to an open position to all... | 02/27/2007 |
