In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7918693 | Electrical terminal screw apparatus An electrical terminal screw apparatus for the purpose of connection of electrical conductors having a housing with a shaft in which is provided a screw and featuring a screw head and shaft which are adjusted relative to one another in such a way that during revolut... | 04/05/2011 |
| 7854636 | High power, single pole electrical connector A high-power, single-pole electrical connector is disclosed. A nonconductive mounting base is used to attach the connector to an electrical distribution panel. The connector extending from the panel has a bolted together connection, rather than a pin-and-collet conf... | 12/21/2010 |
| 7794291 | Electrical transmission line repair service An electrical conductor repair device for restoring mechanical and electrical integrity to a compromised section of an electrical conductor. The device includes a body that serves as an electrical shunt and a mechanical support. The body includes a first end section... | 09/14/2010 |
| 7607954 | Dead cable end A dead cable end distributes holding force over a length of a cable end to reduce or eliminate damage to cables. The dead cable end includes a housing containing a plurality of collets each residing in a collet receptacle. Each collet includes a conical exterior and... | 10/27/2009 |
| 7347733 | Electric junction box An electric junction box including a case, an input bus bar, an output bus bar and a fuse which are accommodated within the case, wherein an input electric wire and an output electric wire are electrically connected to the input bus bar and the output bus bar, respe... | 03/25/2008 |
| 7338333 | Electrical connectors (II) The electrical connectors according to embodiments of the present invention include an elongated conductor body having an external contact surface, and a clamping device including a nut plate that spans the contact surface and carries a clamping screw for securing a... | 03/04/2008 |
| 7334919 | LED device and the manufacturing method thereof Disclosed are a LED device and the manufacturing method thereof, the device comprises a LED, which is composed of a LED chip and bonded wires, both connected to a plurality of lead frames and enveloped by a lamp cap, wherein one end of the lead frames emerges from t... | 02/26/2008 |
| 7279633 | Apparatus for providing an electrical wiring hub An apparatus for an electrical wiring hub is provided. The electrical wiring hub includes: a hub housing, configured to receive a plurality of wires; a plurality of conductor rings, configured to conduct electrical current from one of the plurality of wires to anoth... | 10/09/2007 |
| 7232775 | Connector body for a lead attachment retrofit arrangement A retrofit arrangement for attacking an electrical lead to a terminal has a body consisting of a conductive central portion and a non-conductive portion substantially surrounding the central portion. ... | 06/19/2007 |
| 7232347 | Seal for confined electrical conductor cable The present invention relates to a seal for an electric cable that is connected to a second cable in a confined location, in which a first and second lengths of insulated electrical cable extend into a confined location and a connector connects the first and second ... | 06/19/2007 |
| 7228935 | Attachment pin for an exhaust-gas muffler The invention relates to an attachment pin (1) for fixing an exhaust-gas muffler (2) in an apparatus part (4) of a portable handheld work apparatus (5) driven by an internal combustion engine. The exhaust-gas muffler (2) includes e... | 06/12/2007 |
| 7214108 | Shearable fastener A shearable fastener has a threaded shank adapted for engagement with a threaded bore and a head portion formed for engagement with a drive tool, the shank being formed with a series of axially separated weakenings defining a series of shear planes. The weakenings a... | 05/08/2007 |
| 7156703 | Electrical conductor tap An electrical tap connector is provided having a housing that forms a first attachment section aligned with a second attachment section. Each attachment section forms a conductor receiving orifice into a conductor receiving channel. The housing about each section fo... | 01/02/2007 |
| 7144279 | Electrical connector including viewing windows and associated methods An electrical connector for electrical cables may include an electrically conductive body, a thermoplastic elastomer (TPE) insulating cover, and windows aligned with cable end viewing openings in the conductive body. The electrically conductive body may have spaced ... | 12/05/2006 |
| 7142412 | Bypass connector for a socket assembly A socket assembly for mounting an electric meter comprising a plurality of power line connector subassemblies for connecting electric power lines to the socket assembly. Each subassembly comprises a generally U-shaped lug of electrically conductive material defining... | 11/28/2006 |
| 7118427 | Electrical connector including removable tether and cap assemblies and associated methods An electrical connector includes a respective removable fastener inlet closure cap for each tubular fastener inlet, and a respective flexible tether having a proximal end removably connected adjacent a corresponding tubular fastener inlet and a distal end integrally... | 10/10/2006 |
| 7097502 | Terminal block assembly A terminal block assembly includes a housing having a base portion and partition walls extending from the base portion. The partition walls are spaced apart to define a cavity therebetween. The terminal block assembly further includes a terminal connector removably ... | 08/29/2006 |
| 7094094 | Electrical connector including insulating boots and associated methods An electrical connector includes an electrically conductive body having spaced apart cable-receiving passageways for receiving respective electrical cable ends. The electrically conductive body may also have at least one respective fastener-receiving passageway inte... | 08/22/2006 |
| 7090532 | Rocket for electrical connectors A rocket for use with an electrical connector. The rocket is made of suitable resilient material and is used to seal a port through which a conductor passes to connect to the connector. The rocket has a tubular base section that snugly fits within the port, and a lo... | 08/15/2006 |
| 7044776 | Wire connector An open-face electrical wire connector for forming an electrical connection to a wire connector lug wherein the wire connector lug, which is free of any sealant, is located in a portion of a housing that can be brought into engagement with another portion of a housi... | 05/16/2006 |
| 6997759 | Electrical connector including moveable cable seating indicators and associated methods An electrical connector for electrical cables includes an electrically conductive body, an insulating cover, and moveable cable seating indicators aligned with seating indicator openings in the conductive body. The electrically conductive body may have spaced apart ... | 02/14/2006 |
| 6997758 | Connector for connecting two electrical power cables and a connection including the connector A connector for connecting two medium-voltage electrical power cables each including at least one conductor surrounded by an insulative jacket includes tubular screw contacts which connect together stripped ends of the conductors inserted into the contacts and retai... | 02/14/2006 |
| 6971926 | Fast change transformer connector and adaptor A fast change electric transformer connector is disclosed, which includes a cable connector having a cable attachment section, a connector extension connected to the cable attachment section, and a stud slide adaptor connected to a side of the connector extension fo... | 12/06/2005 |
| 6920038 | Terminal block and renovation load center employing the same A renovation load center includes an enclosure, a branch circuit assembly mounted in the enclosure, and two renovation terminal blocks having a side and a plurality of first terminations electrically connected to at least some of the incoming lines and the branch co... | 07/19/2005 |
| 6875045 | Electrical connector with deformable insert Electrical connectors are provided including a connector body with a tubular socket to receive an electrical conductor. A clamping means is arranged to secure the electrical conductor within the socket. A socket insert fits within the socket so as to reduce the effe... | 04/05/2005 |
| 6676454 | Top-loading pad mount connector A top-loading pad mount electrical connector is provided with swing-away pressure pads for securing secondary conductors to the connector body. The swing-away pressure pads are frictionally engaged with threaded fasteners to pivot with the fastener betwee... | 01/13/2004 |
| 6669515 | Apparatus for securing cable An apparatus is disclosed for clamping cable. The apparatus is a barrier that clamps and/or adheres to the cable. The barrier has a base, and the base has a diameter greater than an aperture through which the cable passes. The base of the barrier hinders ... | 12/30/2003 |
| 6656000 | Speaker terminal block assembly A terminal block assembly that enables multiple speakers, or woofers, to be connected in a series or parallel. In a first embodiment, the terminal block assembly has four receiving ports, two ports being formed in a first metal holder and two ports being ... | 12/02/2003 |
| 6497592 | Voltage terminal connector assembly The transformer box connector comprises a plurality of terminal blocks and a terminal block retainer with a hinged cover mounted on a housing. The terminal block retainer has a plurality of insulating ribs that act as partitions. Terminal blocks for recei... | 12/24/2002 |
| 6494726 | Cable rack clamp A cable rack clamp includes a clamping member, a base member, a retainer, and first and second bolts. The clamping member includes a longitudinally extending, U-shaped female mounting segment having a front wall and oppositely disposed side walls. A clamp... | 12/17/2002 |
| 6358070 | Track and connector arrangement for a track light A track and connector arrangement for a track light in which the connecting unit at each end of the connector has two conductor holders holding positive and negative conductors at a respective metallic spring plate, and the track has two electrically cond... | 03/19/2002 |
| 6203384 | Multi-tap pad mount connector The multi-tap pad connector includes an integral conductive body with a longitudinal axis. A threaded female blind aperture is formed about a portion of the longitudinal axis for receiving the output from a secondary side of a transformer or similar elect... | 03/20/2001 |
| 6186838 | Electrical connection box A weather head electrical connection box enables electrical connection to a home or business without the need for splicing. The box contains three splice blocks which have two sets of orifices equipped with set screws, a first set for the power feed and t... | 02/13/2001 |
| 6093064 | Enhanced emissivity electrical connector An electrical connector is disclosed for enhancing the thermal emissivity of an electrical connection. An electrical connector, such as a typical C-member and wedge style connector, is provided that is constructed of electrically conductive material and h... | 07/25/2000 |
| 6045414 | Vise connector The electrical connector includes a male element traveling within a female element, the male element having a cantilevered C-clamp arm opposing a C-clamp element formed on the female element. A spacer includes a planar surface with a passageway through wh... | 04/04/2000 |
| 6042430 | Fastener A shearable fastener has a threaded shank (10) adapted for engagement with a threaded bore and a head (12) formed for engagement with a drive tool. The shank (10) is formed with a series of axially separated weakenings (14) defining a series of shear plan... | 03/28/2000 |
| 6036554 | Joint device for an automotive wiring harness A joint circuit is provided to form a joint circuit without inserting terminals into a connector at a later stage. The joint circuit employs terminals 35 that have mount holes. The terminals 35 are connected in advance with ends of wires to be connected w... | 03/14/2000 |
| 5829992 | Device and method for grounding /bonding cable television connectors A device and method for grounding/bonding a cable television connector. A planar block of conductive material having various configurations connects the connector parallel to a ground/bond wire. The block has a set of two to four throughbores in it. The f... | 11/03/1998 |
| 5769656 | Wound wire terminal assembly A wound wire terminal assembly for replacing spade terminals in joining wires, particularly in air conditioning compressor and fan motor relays. The wound wire terminal assembly includes a primary wire connector constructed of wound wire for receiving a m... | 06/23/1998 |
| 5718610 | Cable clamp terminal for a circuit interrupter A cable clamp terminal for use with an electrical apparatus is provided, the cable clamp terminal including a terminal block having a threaded hole defined therein. An intermediate screw and an upper screw are disposed in the threaded hole, whereby the in... | 02/17/1998 |