Bizarre Patents
An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7385339 | Ignition device having a reflowed firing tip and method of making A sparkplug having ground and center electrodes that include a firing tip formed from a noble metal or noble metal alloy by reflowing of a noble metal preform. The present invention also includes a method of manufacturing a metal electrode having an ignition tip for... | 06/10/2008 |
| 7353680 | Universal compression spring former The compression spring former disclosed by the present invention contains an external diameter mechanism, spacing mechanism, wire-feeding mechanism, cutting mechanism, length-detecting mechanism, sorting mechanism, and microcomputer control mechanism. Within the wor... | 04/08/2008 |
| 7260872 | Casket ornament attachment system and method A decorative ornament is attached to a casket having an ornament attachment plate. The ornament may be attached to corner member or other portion of the casket. Each ornament attachment plate has a pair of grooves including a straight groove and a curved groove for ... | 08/28/2007 |
| 7156898 | Low pressure drop deep electrically enhanced filter A method and apparatus using deep pleated filters to provide efficient and safe electrically enhanced filtering (EEF), with ultra low pressure drop, higher efficiency of particulate removal and higher dirt holding capacity over the life of the filter. An EEF may be ... | 01/02/2007 |
| 6966811 | Method of fabricating an incandescent halogen lamp having flattened filament support leads An incandescent halogen lamp used in connection with a vehicle headlamp system in which stray light attributable to reflection off of internal lamp components is reduced while the structural integrity of the lamp is maintained. The halogen lamp includes two filament... | 11/22/2005 |
| 6928707 | CCFL wrapped with a heater wire, and machines for manufacturing same One aspect of the invention is embodied in a machine for wrapping a heater wire around a cold cathode fluorescent lamp (CCFL). The machine includes means for holding a CCFL, means for guiding a heater wire, and means for moving the holding means in relation to the g... | 08/16/2005 |
| 6790113 | Method and apparatus for making spark plug This invention relates to a method and apparatus for making a spark plug, in particular, for making a high-performance spark plug having a center electrode having a firing end made of Pt, Ir, Rh, Pd, Re, Os, Ru or alloy thereof, with its firing end diameter of about... | 09/14/2004 |
| 6777860 | Luminous element for lamp A luminous element (10) for a lamp is double helix-shaped, with two connection parts (18, 20) situated at one end of said double helix. The diameter (D1, D2) of the double helix increases consistently in the direction of the two connectio... | 08/17/2004 |
| 6774547 | Discharge lamp having a fluted electrical feed-through A fluted feed-through for a discharge lamp includes a fluted ceramic core with plural channels and plural individual molybdenum or tungsten wires running in different ones of the plural channels. The wires are twisted together at the ends of the feed-through. The fe... | 08/10/2004 |
| 6769947 | Method for manufacturing a lamp electrode An electrode E is manufactured through a series of steps that lend themselves to implementation on a machine tool. Electrode components 100, 158, 190 are joined or welded to other electrode components 62, 100, 158 and then cut to length from a continuo... | 08/03/2004 |
| 6161598 | Method for producing helically wound filament elements, and filament elements produced according to this method A method for producing helically wound filament elements, and filament elnts produced according to this method. The method is distinguished in that a thermal treatment of the incandescent wire at temperatures of over 1200° C. takes place already before ... | 12/19/2000 |
| 5969468 | Press sealed lamp with groove for lead A press seal-type lamp is provided in the form of a bulb portion and a press seal extending therefrom. The bulb portion contains at least one filament from which extends a first lead wire and a second lead wire. The first and second lead wires are sealed ... | 10/19/1999 |
| 5742125 | High-pressure discharge lamp with torsionally wound electrode structure The high pressure discharge lamp has refractory electrodes each having a top and a winding of refractory metal wire, which has turns and is, in an area thereof remote from the top, secured to the electrode. The turns of the winding are made to have torsio... | 04/21/1998 |
| 5729081 | Electrode coil for discharge lamps and method for producing such an electrode coil The invention relates to electrode coils for discharge lamps having a coiled wire (1) which is wound around by a braiding wire (2). The coiled wire (1) has both turns (II) with an essentially circular cross-section and turns (I, III) with an oval cross-se... | 03/17/1998 |
| 5412362 | Deflection coil and fabrication method thereof A deflection coil is formed into a saddle shape by winding up a conductive wire ribbon in layers, such that the layered wire ribbon is formed in its cross-section into a parallelogram with adjoining sides crossing one another at other than 90 degrees. The... | 05/02/1995 |
| 5373274 | Deflection yoke with anti-ringing winding core slots A deflection yoke for use with cathode ray tubes of the type in which one or more electron beams generated therein are deflected includes a magnetic core member and a selected wire winding thereon to produce a magnetic field for deflecting the beam. Each ... | 12/13/1994 |
| 5243746 | Method for manufacturing coil springs A method of manufacturing coil springs being performed by giving priority to the free length of coil springs with a feature that the length of wire material used for forming initial- and main-coiling sections and an end coiling section of a single coil sp... | 09/14/1993 |
| 4991277 | System for manufacturing springs Springs manufactured to have a desired free length nonetheless exhibit a slight difference in free length from one spring to another. This results from a change in elasticity caused by a difference in wire material or a non-uniformity in wire cross sectio... | 02/12/1991 |
| 4981029 | Electric heater coil assembly termination apparatus and method of use A method and apparatus for forming an electric resistance heating coil of desired resistance that involves forming a straight end or pigtail at the ends of the coil whereby electrical connectors can be connected to the aligned pigtails and end insulators ... | 01/01/1991 |
| 4920624 | Method and apparatus for making a double helix thermostat metal spring The disclosure relates to a method and apparatus for fabricating a double helix coil comprising the steps of and apparatus for coiling a wire into a first helix, removably securing one end portion of the first helix to an arbor, coiling the first helix ab... | 05/01/1990 |
| 4895540 | Filament support structure mounting method A method of making an axial filament structure for a lamp in which the filament is concentric with the axis of the envelope, wherein a hook-like shape (131) is formed in a support member (117) which stretches the filament to its final turns-per-inch ratio... | 01/23/1990 |
| 4847534 | High-pressure discharge lamp with torsionally wound electrode structure The high-pressure gas discharge lamp according to the invention has electrodes comprising a rod of mainly tungsten and a helical winding of mainly tungsten near the tip of the rod. The winding has a first layer of turns, which is integral with a second la... | 07/11/1989 |
| 4841119 | Welding wire The invention relates to a welding electrode with smooth surface for gas shielded arc welding, comprising a steel substrate provided with a thin, ferrous oxide containing covering layer. This covering layer has a thickness of less than 500 Å and the stru... | 06/20/1989 |
| 4799518 | Machine for sequential manufacture of incandescent lamp filaments To make a series of spiral filament sections (6) joined by separating zone 5) extending essentially longitudinally of the core wire (4) which, after the filaments have been made and severed in the separating zones, is etched out of the spiral sections. To ... | 01/24/1989 |
| 4616682 | Method of manufacturing helically wound filaments and filaments manufactured by means of this method A plurality of filaments are helically wound on a mandrel, with longitudinal portions being formed between the last turn of one and the first turn of the next filament. Winding stresses are removed from a preceding wound filament by heating it. That filam... | 10/14/1986 |
| 4517735 | Apparatus and method for tensioning resistive wire An apparatus and method for use in the attachment of a length of resistive wire under a preselected tension to wire-supporting end portions of a pair of generally parallel, resilient posts attached to a post support member. The apparatus includes a spindl... | 05/21/1985 |
| 4408639 | Coil Manufacturing apparatus A coil manufacturing apparatus comprises a mandrel wire, a guide for guiding the mandrel wire in its longitudinal movement, a coiling device guiding a filament wire while revolving around the mandrel wire to coil the filament wire around the mandrel wire,... | 10/11/1983 |
| 4399949 | Winding form for dynamoelectric machine A winding form made of readily removable material for use in positioning electric windings in predetermined spaced relationship on an electrical apparatus. A method for mounting a winding on an electrical apparatus using the winding form of the invention ... | 08/23/1983 |
| 4382322 | Automated welding systems and methods An automated welding system takes initially randomly oriented negative glow lamps and welds a resistor to each lamp. Lead wires are trimmed to desired lengths and the physical strength of the weld between the lamp and the resistor is tested.... | 05/10/1983 |
| 4347873 | Fixture for making an assembly of fine wires The disclosure is of a fixture for forming an assembly of parallel wires comprising a frame formed to define an open central space, the frame carrying two sets of spaced-apart pins around which a wire is wound to form the desired individual parallel wires... | 09/07/1982 |
| 4291444 | Process of manufacturing a tungsten lamp filament An electric lamp filament of tungsten is disclosed that has been coiled and heat-treated to at least 1600° C. on a wire mandrel containing molybdenum but which is essentially free of molybdenum contamination. A barrier layer of tungsten or tantalum is pr... | 09/29/1981 |
| 4214025 | Mesh electrodes and method of making them A mesh electrode for a c.r.t. display device consists of a number of coplanar portions of mesh insulated from each other, and secured to a support plate by means of two layers of refractory compound. The first layer is applied to the support plate and all... | 07/22/1980 |
| 4149104 | Method of manufacturing a coil heater of an indirectly-heated type cathode electrode of electronic tubes A coil heater of a heater-type tube comprises a main portion for generating heat and a pair of leg portions supporting the main portion. Lead wires are connected to the ends of the legs. At least a part of the leg portion, including its terminal part, com... | 04/10/1979 |
| 4049024 | Mandrel and method of manufacturing same A mandrel and a method for its manufacture and its use in manufacturing filament coils for electric lamps is disclosed. The mandrel, having a base core containing iron, is protected from diffusion of iron into a filament wire wound thereabout by a first c... | 09/20/1977 |
| 4028920 | Apparatus for high speed winding of coils A device for the manufacture of coils in which the winding wire is guided to a winding head via a winding drum having an eccentric wire guiding bore. The winding drum and the winding head rotate in opposite directions so as to achieve an effective winding... | 06/14/1977 |
| 3993107 | Method of manufacturing bent filaments and device for carrying out the said method A method of manufacturing bent filaments for incandescent lamps, a core-free filament is seized by its ends. The front end is moved around a mandril which is driven in accordance with the filament bending speed, while the rear end of the filament is moved... | 11/23/1976 |
| 3989549 | Method of making incandescent lamp The coiled tungsten filament of an incandescent lamp is made more resistant to sagging by exposing the filament to a vaporized phosphorus atmosphere so as to form tungsten monophosphide on the filament. The filament is subsequently heated in order to diss... | 11/02/1976 |
