Did You Know...
...that the inventor of the electric motor was a blacksmith named Thomas Davenport? Described as "a brilliantly unsuccessful inventor", Davenport invented the first rotary electric motor. In 1836 he headed out -- on foot -- from his Vermont home to file a patent application at the Patent Office in Washington, D.C. By the time he got there, he had squandered away his money and couldn't afford the $30 filing fee so he turned around and went home. When he later mailed in his application with money he'd raised, the Patent office was destroyed in a fire. He did finally get credit for his invention on Feb. 5, 1837.
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| Number | Title | Issue Date |
| 7821776 | Tamper resistant meter assembly An electrical meter is provided that includes a cover configured for securement onto a base. The meter includes features that resist meter tampering, and features that provide evidence of meter tampering. ... | 10/26/2010 |
| 7599173 | Systems, devices, and methods for securing covers Certain exemplary embodiments comprise a system comprising an enclosure structure configured to restrict access to an electrical meter. The system can comprise a meter cover configured to cover and/or restrict access to the meter. One of the meter cover and the encl... | 10/06/2009 |
| 7381907 | Electrical panel box An electrical panel box which includes a cavity defined by a back face, two opposing side walls, a top wall and a bottom wall and a front face extending beyond the periphery of the side walls and top and bottom walls for securing the electrical panel box in a wall, ... | 06/03/2008 |
| 7324332 | Electrical enclosure An electrical enclosure is disclosed. The enclosure increases the number of electrical outlets available to a user. ... | 01/29/2008 |
| 7286339 | Combination service entrance apparatus for temporary and permanent use An underground combination service entrance apparatus for temporary and permanent service comprising two enclosures. A utility enclosure contains a meter socket and the second enclosure contains a breaker panel. The breaker panel on the customer side and the meter o... | 10/23/2007 |
| 7274187 | Electrical-energy meter A presently-preferred embodiment of an electrical-energy meter comprises a base adapted to be mounted on a supporting surface, a current sensor assembly comprising a plurality of contact blades extending through the base and adapted to electrically contact a conduct... | 09/25/2007 |
| 7218511 | Electrical enclosure system An electrical enclosure system for effectively containing a pump control and alarm system within a single protective structure and providing convenient access to the electrical components within. The electrical enclosure system includes a tubular pedestal having an ... | 05/15/2007 |
| 7129900 | Meter antenna The antenna configuration presented is an integral component of a retrofit module designed to incorporate a data telemetry transceiver within the confines of a utility meter. ... | 10/31/2006 |
| 7117737 | Sealed index cover for meter A flow meter having an index cover adapted to house an index of the meter seals to the remainder of the meter with an elastomeric ring seal received between the index cover and the meter body. The ring seal defines a plurality of lines substantially parallel to the ... | 10/10/2006 |
| 6998650 | Replaceable light emitting diode module A clip is used to clamp a LED in place in a LED module. The clip has pliable conducting cover and can be latched to the upper lead metal of the LED module. The clip can be lifted for replacing a defective or color LED. A plurality of replaceable LEDs can be mounted ... | 02/14/2006 |
| 6975505 | Electrical service entrance with neutral A service entrance includes a post section, a service section, and a neutral bus disposed therebetween. The post section includes a first opening and a second opening, and is adapted to receive an electrical supply wire having a supply power wire and a supply neutra... | 12/13/2005 |
| 6975504 | Overall watthour metter enclosure safety replacement window A safety replacement window for an overall watthour meter enclosure includes a window covering a window aperture of a cover of the enclosure. Mounting clips integrally carried on the cover snap into and fix the window in the cover aperture. In another aspect, the co... | 12/13/2005 |
| 6956733 | Device and method for providing electric service An exemplary device and method for providing electric service are disclosed. The exemplary device may provide construction power during the construction of a facility and permanent power at the facility thereafter. The electric service device, when energized at a co... | 10/18/2005 |
| 6928728 | Meter register with water vapor seal A method and article of manufacture for providing a mechanical bond and an improved water vapor seal between a lens (11, 41) and a base (17, 47) in an instrument housing (10, 40), includes heating the components and a hot butyl rubber sealant ( | 08/16/2005 |
| 6816360 | Reduced cost automatic meter reading system and method using locally communicating utility meters A low cost and easy to assemble communicating utility meter provides selectable measurement, calibration, display, and communications means so as to be re-configurable based on several factors including; harmonic content of the power signal measured, LCD display alt... | 11/09/2004 |
| 6780066 | Arc discharge preventing device An arc discharge preventing device is electrically connected to at least two electronic devices, the arc discharge preventing device. The arc discharge preventing device includes an insulating main body, a first terminal, a second terminal, a low conductive member, ... | 08/24/2004 |
| 6703640 | Spring element for use in an apparatus for attaching to a semiconductor and a method of attaching A spring element used in a temporary package for testing semiconductors is provided. The spring element is compressed so as to press the semiconductor, either in the form of a bare semiconductor die or as part of a package, against an interconnect structu... | 03/09/2004 |
| 6677742 | Utility meter having a security sealing arrangement An arrangement for use in a utility meter having a base configured to be mounted to a structure and a component module adapted to be releasably secured to the base inhibits unauthorized removal of the component module from the base. The arrangement includ... | 01/13/2004 |
| 6229707 | Calamity-proof electrical equipment cabinet door systems Electrical equipment is housed in a cabinet and is protected against hurricane-force calamities by covering the electrical equipment with an inner door system inside the cabinet, and by closing an opening of the cabinet with an environmental door system, ... | 05/08/2001 |
| 6072405 | Meter transmission unit for use with a pit set utility meter A meter transmission unit for transmitting a signal indicative of utility usage at a utility meter which is adapted for use with a pit set utility meter located in a pit having a cover and an opening therein for supporting the meter transmission unit and ... | 06/06/2000 |
| 6054930 | Meter tamper detection device capable of counting multiple openings A device for detecting meter opening, the meter including at least a first structural element and a second structural element that are in a given position relative to each other when the meter is closed, said device comprising: a moving member connected t... | 04/25/2000 |
| 5959243 | Mating ring for a meter cover and base assembly There is disclosed a plastic mating ring for a meter cover and base assembly. The mating ring includes provisions for attaching the meter cover to the mating ring and the mating ring also includes provisions for reducing distortions of the cylindrical wal... | 09/28/1999 |
| 5774328 | Register enclosure for use with a utility meter An electronic energy meter register enclosure which, in one embodiment, includes ribs and snaps configured to engage and snugly hold a printed circuit board in place is described. Openings in a meter frame align with openings in the enclosure, and threade... | 06/30/1998 |
| 5499159 | Mating ring for a watthour meter cover A mating ring for mounting a meter cover to a meter base includes a molded plastic mating ring having portions configured to engage the meter cover flange and portions configured to engage the meter base. A plurality of wedges and opposing ring flanges ar... | 03/12/1996 |
| 5473504 | Electric meter with desired seating torque An electric meter has reduced torque needed during relative rotation of a cover and base during a predetermined portion of rotation between initial and locked positions to thereby facilitate securing of the cover and base together at a predetermined seati... | 12/05/1995 |
| 5404266 | Temporary power center for construction site A single unit enclosure containing an electric power meter compartment and a power receptacles compartment is adapted for use on a temporary construction site employing underground utility cables. The meter compartment is located under the power receptacl... | 04/04/1995 |
| 4747016 | Tamper-resistant removable cover for a utility box assembly A tamper-resistant removable cover for a utility meter box assembly is disclosed, having a plate member with depending flange portions which engage the securing flange or ring normally used to secure a translucent cover over the viewing window or socket o... | 05/24/1988 |
