The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7341495 | Electrical wedge connector heat dissipating design Disclosed herein is an electrical wedge connector wedge. The electrical wedge connector wedge includes a first conductor contact surface, a second conductor contact surface, and a center section. The second conductor contact surface is opposite the first conductor c... | 03/11/2008 |
| 7328751 | Powder operated tool A powder operated tool including a frame, a tool body and a reusable combined cartridge holder and ram rear end receiver. The frame includes an anvil section. The tool body is adjustably connected to the frame. The tool body comprises a ram, and a breech assembly co... | 02/12/2008 |
| 7165319 | Tool for wedge tap connector Tool for securing a tap connector having a C shaped member and a wedge using a ram tool. The tool head comprises an elongate base member comprising first and second ends. A collar at the first end of the base member has a through opening for receiving a ram tool. A ... | 01/23/2007 |
| 7044810 | Electrical wedge connector An electrical wedge connector including a connector shell having a general C-shaped cross-section with two opposing free ends, and a wedge. The free ends each comprise an outward extension from the opposing ends. Each outward extension has an outer tip along a longi... | 05/16/2006 |
| 6895663 | Wedge connector tool head A tool head is used for securing a tap connector having a C shaped member and a wedge using a ram tool. The tool head comprises an elongate base member comprising first and second ends. A collar at the first end of the base member has a through opening for receiving... | 05/24/2005 |
| 5533254 | Tool for applying wedge type electrical connectors to the conductors of electrical distribution networks The present invention relates to a tool (1) for application of wedge type electrical connectors (2) to conductors (3) of electrical distribution networks. The tool (1) is fired by a powder charge loaded in commercial metallic cartridges 22 caliber which a... | 07/09/1996 |
| 4817682 | Splicing tool for transmission lines A splicing tool system for high voltage transmission lines in which a pair of semi-circular jaw members with an internal configuration to match the lay of the wires of the transmission line is frictionally applied to the end of a cut transmission line and... | 04/04/1989 |
| 4815648 | Hand-held cold pressure weld device A hand-held welding device utilizes a multiple upset cold pressure welding technique to join abutting end surfaces of a pair of wire members. The welding device includes a pair of spaced-apart, parallel tie rods for supporting a stationary V-block in spac... | 03/28/1989 |
| 4724590 | Apparatus and method for automatically securing borderwires on mattress innersprings Apparatus for automatically securing borderwires on mattress innersprings, comprising support members for receiving borderwires and a mattress innerspring in stacked, properly oriented relation to one another. A drive mechanism is provided for automatical... | 02/16/1988 |
| 4545195 | Apparatus for peeling and twisting an electric wire having an insulating coating An apparatus for peeling and twisting an electric wire having an insulating coating comprises a machine frame, a shaft rotatably mounted on said frame and being adapted to be driven by a motor, a machine body movably mounted on the shaft and an elastic me... | 10/08/1985 |
| 4540030 | Apparatus for compacting loose wraps of wire on terminals A work piece 10 with projecting terminals 16, 17 and 18 on which are wrapped loose turns of wire 19, 20 and 21 is advanced into and held between arms of a yoke 30. Upper ends of the terminals are positioned between jaws 36, 37 and 38. A cam plate 49 is in... | 09/10/1985 |
| 4141389 | Wire-fastening mechanism A wire-fastening mechanism has a wire shaping and guiding device and a pivoted hook-shaped needle which co-operate together to fasten a wire to a connector lug by forming a cross loop of wire through a triangular formation of apertures in the lug. The wir... | 02/27/1979 |
| 4000764 | Stator lead termination apparatus Lead wires from the field coils of a two-coil, two-pole stator for a motor of the universal type are wound about posts projecting outwardly from a wire retainer mounted to the stator by means of cannulas encircling said posts and having hook portions for ... | 01/04/1977 |