Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7955117 | Connector arrangement for flat conductors A connector arrangement includes a flat conductor component having a flat engagement portion, a conductive bus bar component having a flat engagement portion, and a conductive contact screw connecting the conductor and bus bar flat engagement portions in contiguous ... | 06/07/2011 |
| 7363175 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 04/22/2008 |
| 7319304 | Shunt connection to a PCB of an energy management system employed in an automotive vehicle A method of coupling a shunt to a printed circuit board (PCB) of an energy management system is provided. The method includes coupling flexible electrical connectors to the shunt and soldering the flexible electrical connectors to connection points on the PCB of the... | 01/15/2008 |
| 7295936 | Electronic battery tester with relative test output An electronic battery tester for testing a storage battery determines a condition of the battery. The condition is a relative condition and is a function of a dynamic parameter of the battery and an empirical input variable. ... | 11/13/2007 |
| 7246015 | Alternator tester An alternator tester is provided for testing an alternator of a vehicle while the alternator is coupled to the vehicle. A sensor is configured to couple to the vehicle and sense a signal related to operation of the alternator. A memory contains data related to opera... | 07/17/2007 |
| 7198510 | Kelvin connector for a battery post A Kelvin connector for coupling to a post of a battery includes a first contact having a surface which at least partially conforms to and is adapted to engage and electrically connect to a surface of the post. The connector also includes a second contact having a su... | 04/03/2007 |
| 7154276 | Method and apparatus for measuring a parameter of a vehicle electrical system An apparatus for measuring electrical parameters for an electrical system measures a first and second parameters of the electrical system between connections to the electrical system. A processor determines a third electrical parameter of the electrical system as a ... | 12/26/2006 |
| 7134189 | Coaxial cable connector and tool and method for connecting a coaxial cable A connector for coaxial cable, and a tool and method for connecting coaxial cable. The connector may have a projection configured to extend into a channel defined by an inner conductor of the coaxial cable and to engage an inner surface of the inner conductor; and a... | 11/14/2006 |
| 7126341 | Automotive vehicle electrical system diagnostic device An automotive vehicle electrical system diagnostic apparatus includes first and second electrical connections configured to electrically couple to an electrical system of an automotive vehicle which includes a battery. Digital samples are obtained during operation o... | 10/24/2006 |
| 7119686 | Theft prevention device for automotive vehicle service centers An apparatus and method for preventing theft in automotive vehicle service centers. A transmitter transmits a wireless security signal which defines a perimeter. At least one portable tool for use in automotive vehicle service centers includes a receiver configured ... | 10/10/2006 |
| 7106070 | Broad-band low-inductance cables for making Kelvin connections to electrochemical cells and batteries A broad-band technique for reducing the distributed inductance of a four-conductor Kelvin cable is disclosed. A special inductance-canceling cable section is connected in tandem with the cable section contacting the cell/battery. Connections between the two cable se... | 09/12/2006 |
| 7044754 | Meter box clamp An adjustable clamping device provides means for attaching a grounding wire to a metal boxes and in particular metal boxes coated with a thin layer of paint or other nonconductive material. An adjustable C-shaped clamp is provided with a grounding block between the ... | 05/16/2006 |
| 7034541 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 04/25/2006 |
| 7028395 | Method for connecting a coaxial cable A connector for coaxial cable, and a tool and method for connecting coaxial cable. The connector may have a projection configured to extend into a channel defined by an inner conductor of the coaxial cable and to engage an inner surface of the inner conductor; and a... | 04/18/2006 |
| 7003410 | Electronic battery tester with relative test output An electronic battery tester for testing a storage battery determines a condition of the battery. The condition is a relative condition and is a function of a dynamic parameter of the battery and an empirical input variable. ... | 02/21/2006 |
| 7003411 | Electronic battery tester with network communication An electronic battery tester for testing a storage battery includes test circuitry configured to provide a battery test output related to a condition of the battery. A memory stores a battery tester address of the battery tester, and communication circuitry transmit... | 02/21/2006 |
| 6998847 | Electronic battery tester with data bus for removable module An electronic battery tester is provided for testing storage batteries. Battery test circuitry is configured to couple to the storage battery and measure a condition of the battery. A removable module is configured to couple to the battery tester to add increased fu... | 02/14/2006 |
| 6967484 | Electronic battery tester with automotive scan tool communication An electronic battery tester includes battery test circuitry configured to couple to a battery. A databus is configured to exchange data with external circuitry. ... | 11/22/2005 |
| 6939097 | Ground washer A ground washer is disclosed for attachment by a grounding screw to a grounding terminal. The washer device includes a disc-shaped member which defines an opening for the reception therethrough of the grounding screw. The member has an annular portion having a first... | 09/06/2005 |
| 6941234 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 09/06/2005 |
| 6933727 | Electronic battery tester cable A cable for use with an electronic battery tester includes first and second electrical connections configured to couple to terminals of a battery. A memory is configured to store digital data. Electrical terminals are configured to couple the cable to the electronic... | 08/23/2005 |
| 6913483 | Cable for electronic battery tester A battery tester cable for coupling an electronic battery tester to a battery includes first clamp and second clamps to provide a connections to terminals of the battery. Cables extend from the clamps. A moveable cable holding device can be positioned along a length... | 07/05/2005 |
| 6914413 | Alternator tester with encoded output An alternator tester includes an alternator output measurement circuit configured to measure an electrical output of an alternator. A microprocessor determines a alternator condition as a function of the electrical output. The microprocessor encrypts information and... | 07/05/2005 |
| 6906523 | Method and apparatus for testing cells and batteries embedded in series/parallel systems A “three-point” measurement technique effectively removes system effects to determine impedance, admittance, resistance, or conductance of an individual cell, battery, or interconnecting conductor embedded in a series or series-parallel electrochemical battery o... | 06/14/2005 |
| 6699062 | Insulation piercing fastener Insulation-piercing fasteners are provided having a generally cylindrical shank, externally threaded along at least part of its length. The end portion of the shank is configure to engage an insulated electrical conductor and is formed with a hollowed end... | 03/02/2004 |
| 6539088 | Electrical connector for connecting an audio source to a caller on hold A connector for use in a business telephone system such as a PBX, Key, or other type of system with audio on hold capabilities. The connector eliminates the need for time consuming stripping, splicing, and manual connecting operations typically done by th... | 03/25/2003 |
| 6431911 | Connector for coaxial cables with thin-walled outer cable conductor A connector for a coaxial cable with thin-walled outer cable conductor, includes a connector head forming an outer connector conductor for electric connection to an outer cable conductor of a coaxial cable, and an inner connector conductor. Embraced by th... | 08/13/2002 |
| 6341979 | Electrical connector An electrical connector apparatus and method utilizing an elongate electrically conducting ferrule (20) having a contact (24) on one end and a hollow conical threaded portion (22) for receiving a wire on the other end, and a color coded insulating boot (1... | 01/29/2002 |
| 6129492 | Device and tool for securing electrical conduction at connections Conductive devices and tools to provide electrical conduction with a generally planar conductor which is covered with an insulation substance such as paint, rust or dust, by scraping a portion of the conductor and removing the insulation substance. A cond... | 10/10/2000 |
| 5975939 | Twist termination connector A connector terminal which twist mounts to one or more electrical conductors. A terminal fitting includes a number of prongs and a terminal end. The terminal end is selected to accommodate a particular one of a variety of terminations. The prongs are stak... | 11/02/1999 |
| 5890925 | Electrical connector with screw-on or twist-on electrical contacts The present invention relates in general to electrical wire connectors and more specifically to multi-pin screw-on or twist-on electrical contacts. An electrical set of male and female contacts is provided which can each connect one or more wires without ... | 04/06/1999 |
| 5842894 | Cable lug with fixing element A fixing element has a screwthread for fixing to a main member. The fixing element includes a cable lug and a contact plate defined on the cable lug. The contact plate is completely rotatable around a longitudinal axis of the fixing element but is not rem... | 12/01/1998 |
| 5620290 | Ground retainer A snap-on ground retainer for a fastener of the type having a shank, the shank having a head at one end and a threaded portion along its length. The ground retainer comprises a relatively thin sheet metal and includes a washer-like member having an extern... | 04/15/1997 |
| 5609501 | Feed through coaxial cable connector A feedthrough coaxial cable connector includes a tubular mandrel body dimensioned to be pressed between a foil-bonded dielectric core and other elements of an outer conductor of the prepared end of the cable. The body has cable engagement surface which de... | 03/11/1997 |
| 5558545 | Battery terminal connector having pad contacts A battery terminal connector has a hollow cylindrical gripping portion which is axially slit and which has raised radially inwardly extending pads which are knurled for biting into a top battery post when the gripping portion is tightened around the batte... | 09/24/1996 |
| 5453027 | Washer for establishing electrical continuity between conductive components having non-conductive coatings The invention comprises a washer for establishing electrical continuity between two conductive members each having a non-conductive coating and which are secured together by threaded fasteners such as screws. The washer has projections that pierce the non... | 09/26/1995 |
| 5131861 | Threaded terminal connector A terminal connector for a ground wire employs a threaded sleeve. The sleeve is configured and dimensioned with a bore having threaded portions of different sizes so that the terminus of the ground wires of different sizes can be alternatively threaded to... | 07/21/1992 |
| 5127853 | Feedthrough coaxial cable connector A feedthrough coaxial cable connector includes a tubular mandrel body dimensioned to be pressed between a foil-bonded dielectric core and other elements of an outer conductor of the prepared end of the cable. The body has cable engagement surface which de... | 07/07/1992 |
| 5114354 | Clamping device A clamping device for mechanically and electrically connecting a wire to an object having at least one flat surface. A U-shaped clamping member carries a threaded stud for securing the clamped object at least partially within the U-shaped member. The stud... | 05/19/1992 |
| 5089666 | Cable and method of manufacturing thereof A novel cable for computerized monitoring system comprises at least one outer jacket of plastic abrasion resistant material, one inner layer of fiber reinforcing material and another jacket of plastic abrasion resistant material. The end which is intended... | 02/18/1992 |
