Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8181926 | Panel clamp A clamp includes a first member, a washer, a nut, a threaded bolt, a spring and a torsion spring. The first member may include side portions and have a first opening. The washer may include a second opening and at least one portion protruding in a downward direction... | 05/22/2012 |
| 8172596 | Electrical connector with sacrificial appendage An electrical connector assembly may include a yoke that includes an outer housing and a central conductor provided within the outer housing. The central conductor may include at least three outwardly extending portions. A first outwardly extending portion and a sec... | 05/08/2012 |
| 8169292 | High voltage fuse with universal fuse terminal A high voltage fuse which includes at least one fuse terminal located at a distal end of the fuse housing. One face of the fuse terminal includes an elongated groove and an opposite face includes at least two elongated grooves. An aperture extends through the fuse t... | 05/01/2012 |
| 8158884 | Angled slots for installation of outdoor metallic boxes An outdoor metallic electrical outlet box that includes a back wall having a perimetrical edge and an interior portion; a side wall extending from the back wall to an open front to define a box interior; and one or more niches. Each niche has a base integrally forme... | 04/17/2012 |
| 8153895 | Weatherproof while-in-use electrical box cover with insertable hinge pin The present invention provides a weatherproof while-in-use electrical box cover. The box cover includes a base having a back wall including an opening therein for accessing an electrical outlet and permetrical base side walls extending thereabout defining an open fr... | 04/10/2012 |
| 8136769 | Cable tray support assembly A reinforcing structure is provided for supporting a joint of two cable tray sections, wherein each of the two cable tray sections includes a side rail having a planar body member, a bottom edge and a top edge, and wherein the joint is positioned over a structural s... | 03/20/2012 |
| 8128423 | Visible open for switchgear assembly An electrical connector assembly may include a connector body having a conductor receiving end, a connector end, a linking assembly connecting the conductor receiving end to the connector end, and a visible open port positioned in the connector body for viewing at l... | 03/06/2012 |
| 8118330 | Open position cover mount for conduit bodies A cover for a conduit body device for accommodating wire therethrough including: a substantially flat elongated portion with at least two butterfly-shaped clips located at opposite ends of the elongated portion, wherein the butterfly-shaped clips are designed to eng... | 02/21/2012 |
| 8113269 | Multi-channel heat exchanger A combustion gas furnace includes a plurality of primary heat exchangers for passage of combustion gases therethrough. A plurality of secondary heat exchangers receive the combustion gases from the primary heat exchanger. Each of the secondary heat exchangers includ... | 02/14/2012 |
| 8110743 | Electrical box cover with insect guard An electrical box cover including a housing and a hood pivotally attached to the housing and moveable between an open and closed position. The housing includes a base wall adapted to be attached to an electrical box. The base wall is surrounded by an outwardly exten... | 02/07/2012 |
| 8105076 | High efficiency radiant heater A radiant tube heater with a burner assembly, a radiant tube assembly and a combustion air pre-heater; wherein the burner assembly comprises: a burner fuel nozzle; a plenum chamber and a pre-mixer chamber; the plenum chamber having a combustion air inlet; wherein in... | 01/31/2012 |
| 8097806 | Cable protector for electrical outlet box An electrical outlet box assembly includes an electrical outlet box and a cable protector. The outlet box includes a box interior for accommodating an electrical fixture and an electrical cable terminated to the fixture. The outlet box includes a mounting tab having... | 01/17/2012 |
| 8097805 | Pivoting while-in-use electrical box and cover The present invention is directed to a “while-in-use” electrical box device including an electrical box housing and pivotable cover which function as an integral unit and rotate on a fixed frame. ... | 01/17/2012 |
| 8096325 | Fastener for removable securement of a conduit body cover The conduit body assembly includes a metallic conduit body having an open upper end and a metallic cover removably positionable over the upper end. A metallic threaded fastener secures the cover to the body. The metallic fastener includes a threaded post and a nut r... | 01/17/2012 |
| 8091839 | Scissor type pipe clamp A pipe clamp secures an elongate article such as a pipe to as structural channel. The pipe clamp includes a pair of elongate pipe straps each having one end for securement to the structural channel and an opposed end mutually interconnectable. The opposed end of one... | 01/10/2012 |
| 8076577 | Two-gang adjustable mud ring This invention pertains to an adjustable cover for an electrical outlet box. The cover is configured having a generally planar mounting plate with a collar surrounding an opening through this mounting plate. An extension sleeve moves within this opening and adjacent... | 12/13/2011 |
| D649434 | Multi-purpose roof-top support | 11/29/2011 |
| 8052008 | Electrical floor box cover with slide locks One aspect of the present invention includes a cover assembly for a floor box supporting at least one receptacle mounted therein. The assembly comprises at least one cover plate, at least one lid and a lock. The cover plate for at least partially covering the floor ... | 11/08/2011 |
| D648469 | Combination exit sign and emergency lighting fixture assembly | 11/08/2011 |
| 8049107 | Wall plate bracket The wall plate bracket is for a high voltage outlet, and includes a wall plate having front and rear surfaces. The wall plate has an interior opening. A support housing has an inner surface and an interior region bounded by the inner surface. The support housing is ... | 11/01/2011 |
| 8038106 | Fast beam clamp A beam clamp includes a clamp base and a rotational portion. The base includes an interior cavity and an external surface. The base and the rotational portion are pivotably connected by a mateable device. The rotational portion extends into the interior cavity of th... | 10/18/2011 |
| 8022315 | Extension tube for concrete floor boxes An extension tube for an electrical floor box that includes a first section and a second section. Each section has a curved wall with an interior surface and an exterior surface, a top portion, a bottom portion and first and second side edges. The bottom portion is ... | 09/20/2011 |
| 8021007 | Concealed emergency lighting equipment with complete retrofit housing and method of installation A concealed emergency lighting system that includes a lamp assembly box and a power source box and a method for installing the emergency lighting system is disclosed. The lamp assembly box has a face plate and a front door pivotably moveable between an open and a cl... | 09/20/2011 |
| 7999419 | While-in-use electrical box that shuts power off to the device when cover is open The present invention is directed to a “while-in-use” electrical device cover that shuts the power off to the device when the cover is open. The power is re-activated when the cover is closed using a cam device. ... | 08/16/2011 |
| 7989711 | Ultra shallow floor box The present invention provides a floor box for electrical connectors, having: a body defined by a base and a perimetrical side wall, the body configured for partially recessed mounting into a floor, the body having an upper opening and a portion of the perimetrical ... | 08/02/2011 |
| 7972155 | Hotstick operable electrical connector with integral bushing well A hotstick operable electrical connector for use in a power distribution system that includes a housing, a well and first and second frustoconical members extending from a surface of the housing. Each frustoconical member has a distal end and an axial bore that exte... | 07/05/2011 |
| 7969155 | Directional fault current indicator A method for identifying a fault condition associated with a power line conductor of an electrical power distribution network. The method determines if a load current carried by the conductor is above a minimum load current, determines a learned phase angle relation... | 06/28/2011 |
| 7954858 | Conduit body with low friction inner surface layer A conduit body assembly includes a conduit body having a layer of lubrication material thereon to aid in pulling wires therethrough. The conduit body includes an elongate side wall, an open upper end and a conduit body interior. At least one hub is in communication ... | 06/07/2011 |
| D639493 | Battery powered candle | 06/07/2011 |
| 7946540 | Coupling/splice/end bracket for channel A coupling bracket having a back wall, first and second side walls extending from the back wall to a pair of edges, an open side opposite the back wall, a pair of opposing open ends and a passage extending between the opposing open ends. Each side wall has an open s... | 05/24/2011 |
| 7935898 | Pivoting or retractable cord lid with cord exit for floor box The present invention provides a floor box for electrical connectors, having: a body defined by a base and a perimetrical side wall, the body having an upper opening, the body configured for recessed mounting into a floor; a cover having a cover body and a cover lid... | 05/03/2011 |
| 7935412 | Buoyant detectable cable tie A buoyant cable tie formed from a composition that includes a plastic material and metal particles. The average density of the composition is less than 1.25 g/cm3, preferably less than 1.15 g/cm3, and the cable tie floats. In one embodiment, th... | 05/03/2011 |
| 7927119 | Electrical connector including cable end seals with tear stop member and related methods An electrical connector for a plurality of electrical cables includes an electrically conductive body having a plurality of spaced apart cable-receiving passageways for receiving respective electrical cable ends therein, and having at least one respective fastener-r... | 04/19/2011 |
| 7909636 | Adjustable connector for electrical cable An adjustable connector for an electrical cable formed from a body, a hub and a coupling nut. The body has a flanged end with a scalloped edge and a face that is angularly disposed to the longitudinal axis and a cable connecting end. The hub includes an end with a m... | 03/22/2011 |
| 7906729 | Repositionable insulator A repositionable insulator housing for an angle connector formed from first and second housing sections that are joined together. Each housing section has an exterior surface and a base portion that includes an end wall, a pair of opposing side walls and a back wall... | 03/15/2011 |
| 7905746 | Adjustable connector for electrical cable An adjustable connector for armored that includes a body, a hub, a clamp and a coupling nut. The body has a flanged end that is angularly disposed to the longitudinal axis and the hub has a mating flange that is angularly disposed to the central axis. The mating fla... | 03/15/2011 |
| 7902466 | Self-centering fastener with mating seal flange An aspect of the present invention provides a conduit body assembly. The conduit body assembly has a conduit body with a closed lower end and a side wall surrounding the lower end. The side wall includes a planar perimetrical rim which defines an open upper end. Als... | 03/08/2011 |
| 7893363 | Large capacity universal conduit bodies A conduit body device for accommodating wire therethrough the device is provided. The conduit body has a body wall including a pair of elongate side walls and a pair of end walls forming a perimetrical side wall, a bottom wall, and an open end defining a body interi... | 02/22/2011 |
| 7848702 | Emergency lighting system An emergency system for providing an emergency function is described in which the system is required to provide an autonomous and self-diagnostic capability so the system can be tested when not in operation in an emergency situation. A plurality of emergency devices... | 12/07/2010 |
| 7847199 | Intumescent cover for a poke-through assembly One aspect of the present invention provides a poke-through assembly for installation in a hole in a floor structure. The floor structure defines a floor in a first working environment and a ceiling in a second working environment. The poke-through assembly includes... | 12/07/2010 |
