Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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 |
| 7619502 | Potentiometer system and method A potentiometer network includes a first main terminal, a second main terminal, a plurality of resistive elements connected in parallel between the first main terminal and the second main terminal, and means for embedding calibration of said resistive elements in sa... | 11/17/2009 |
| 7291809 | Soldering iron and method of manufacturing same A soldering iron provided with a soldering tip that melts solder at a distal end, having inside said soldering tip a substantially cylindrical insertion fit recess portion extending from a proximal end of the soldering tip to the distal end, opening at the proximal ... | 11/06/2007 |
| 7218201 | High pressure resistance body element A high-voltage resistor element which is superior to heat resistance, dielectric breakdown strength, vibration resistance and durability performance, and is advantageous to maintenance, inspection, adjustment, replacement and repair, is made up of: a cylindrical out... | 05/15/2007 |
| 7176421 | Straight ribbon heater A heater for heating a rigid fluid line or hose for freeze protection. The heater has a base made of an outer base layer, a middle base layer attached to the outer base layer; and an inner base layer attached to the middle base layer. The inner base layer can be unc... | 02/13/2007 |
| 6596200 | Electronic material composition, electronic parts and use of electronic material composition Provided is an electronic material composition which is capable of forming a cured film exhibiting a desired glass transition temperature, a desired stiffness modulus in a rubbery state and a desired extensibility at low temperatures. Also provided is an ... | 07/22/2003 |
| 6054678 | Heater-sensor complex A heater/sensor with an electric heating coil has an insulating pipe with a bore therein has nonheating wire threaded therethrough. The nonheating wire is attached to a first end of a heating wire which is wound about the periphery of the insulating pipe.... | 04/25/2000 |
| 5280264 | Resistor element having lead wire consisting of wire rod and covering alloy layer A resistor element for determining a parameter, including a ceramic support, an electrically resistive body formed on the ceramic support, at least one lead wire electrically connected to the electrically resistive body, and an adhesive containing platinu... | 01/18/1994 |
| 5252943 | Resistor element whose electrically resistive layer has extension into openings in cylindrical ceramic support A resistor element including a cylindrical ceramic support having two openings open on longitudinally opposite end faces thereof, an electrically resistive layer formed on an outer circumferential surface, a pair of electrical conductors for connecting th... | 10/12/1993 |
| 4811479 | Process for producing potentiometer resistances A winding (12) is wound around a core (10) having a circular cross-section. The wound core (10) is then deformed by pressure between flat surfaces (14, 16) until a flat contact surface is created which allows the use of sliding brushes, for example.... | 03/14/1989 |
| 4766291 | Electrical heating element module for hair comb or pick An electrical heating element module particularly useful for heating the teeth of a hair comb or pick includes a pair of parallel, side-by-side spaced elongated central conductors having wound thereon a fibrous inorganic electrical insulation material, su... | 08/23/1988 |
| 4754124 | Resistance heaters A resistance heater for performing heat treatment of the braze-affected area of a metallic sleeve attached by brazing within and to a metallic tube, comprises a metal tube (10) of which a portion (16) is formed with a spiral groove (11) which penetrates t... | 06/28/1988 |
| 4736092 | Braze heater assembly and method An improved heater assembly and method for applying a brazing heat across a selected longitudinal section of a tube is disclosed herein. The heater assembly generally comprises a heater mandrel having an electrical resistance heating element coiled therea... | 04/05/1988 |
| 4719693 | Resistance element for wound-type variable resistors and method of making same A resistance element causing less sliding noise for use in wound-type variable resistors and a method of making the same are disclosed. A resistance element obtained by winding a metallic resistance wire on a core is subjected to etching treatment. With t... | 01/19/1988 |
| 4700053 | Radiant brazing temperature sensing apparatus and process Both an apparatus and a process for accurately applying a correct amount of brazing heat to a conduit are disclosed herein. The apparatus generally comprises a mandrel including an electrical resistance wire heating element and a heat sensor for sensing t... | 10/13/1987 |
| 4677419 | Electronic musical instrument An electronic stringed instrument which uses electrical resistance wires as strings to control the frequency of electrically generated sounds. By shorting a string at various points along its length a variable voltage output is obtained and converted into... | 06/30/1987 |
| 4638285 | Surge suppressing resistor for a disconnect switch A surge suppressing resistor for a disconnect switch is provided which has its interior and exterior surfaces in fluid communication with the atmosphere to achieve a greater cooling effect. A glass epoxy stacking rod is supported between the end flanges o... | 01/20/1987 |
| 4621251 | Electric resistance heater assembly An improved electric resistance heater assembly for soldering tools, glue guns, hair dryers, heat pencils, paint removers, etc., includes, as the core of the assembly, an open-ended tube of a ceramic material having good electrical insulation properties w... | 11/04/1986 |
| 4523177 | Small diameter radiant tube heater Small portable electrical resistance heated radiant heating unit useful for insertion in tube bores to effect localized high temperature heating. Useful for the internal heating of tubes and tube/sleeve assemblies in steam generators, having bores as smal... | 06/11/1985 |
| 4499334 | Heat resistant sheathed insulated electrical conductors The leads to a heater for an electrothermal hydrazine monopropellant thruster comprise tungsten conductors wrapped with smaller diameter tungsten support wire and insulated with beads of alumina (Al2 O3). A transition section connect... | 02/12/1985 |
| 4462020 | Miniature resistive temperature detector and method of fabrication A miniature resistive temperature detector is fabricated by winding wire about a ceramic, or equivalent, cement coated graphite mandrel or form having a greater length than the resulting detector, coating the wire except for the lead portion with a cerami... | 07/24/1984 |
| 4439667 | Desoldering device and improved heater assembly therefor A suction-type desoldering device includes an elongated tubular heater assembly secured to the forward end of a hollow handle by a radial flange on the assembly. A removable solder collecting chamber adapted to have a vacuum created therein is disposed wi... | 03/27/1984 |
| 4438322 | Ceramic coated electric heater assembly for tools An electric heater assembly for tools having a removable heated tip includes a tubular metal base having an open end adapted to removably receive and hold the end of the tool tip. A coating of ceramic electrical insulation material is provided on a portio... | 03/20/1984 |
| 4414463 | Diesel glow-plug ignitor A glow-plug ignitor for diesel engines and the like, comprising a tubular body having external screw threads and an adjoining hexagonal formation by which a tool such as a wrench can be applied to the body to screw it into the threaded cavity of a cylinde... | 11/08/1983 |
| 4406994 | Wire-wound resistor Wire-wound resistor covered with a layer of enamel on the basis of a zinc borosilicate having a composition: wherein Al2 O3 +ZrO2 exceeds twice the Na2 O-content and some maxima for permissible contents of other oxid... | 09/27/1983 |
| 4395620 | Electric storage heating apparatus An electric heat storage apparatus comprises an electric heating element, a ceramic heat storage pipe, an air passageway in communication with the pipe, and a thermostatically controlled air circulation means. The ceramic pipe has a scalloped-shaped outer... | 07/26/1983 |
| 4374374 | Electric contact device An electric contact or circuit breaker device comprises a base member and an operating member. In a surface of the base member, there is provided at least one elongated indentation wherein an electric conductor is inserted and is without electrical connec... | 02/15/1983 |
| 4326122 | Electric heater for nuclear fuel rod simulators The present invention is directed to an electric cartridge-type heater for use as a simulator for a nuclear fuel pin in reactor studies. The heater comprises an elongated cylindrical housing containing a longitudinally extending helically wound heating el... | 04/20/1982 |
| 4283703 | Vibration-resistant probe-like electrical heaters A probe-like, vibration-resistant fast-heating electrical heater assembly for use in a pollution sensor of an exhaust monitoring system for internal combustion engines, which comprises an elongate metal tube having concentrically disposed therein a metal ... | 08/11/1981 |
| 4272668 | Small round air stream heating unit An electric air stream heater adapted to operate directly on 120 volts with a wattage output of less than 500 watts without the need for any special control module, comprising, a cylindrical heating assembly having at least two spaced apart, parallel elec... | 06/09/1981 |
| 4247842 | Cut-in resistance for motor vehicle heating fans This specification discloses a cut-in resistance for motor vehicle heating fans with a first resistance wire winding which can be cut into an electric fan motor either alone or in series with a second resistance wire winding. The first winding is arranged... | 01/27/1981 |
| 4236139 | Coil assembly A coil assembly is formed by an elastic metal wire helical extension spring coil having convolutions resiliently urged towards each other and held apart by spacers pinched between the convolutions and held there by the spring-back of the convolutions. The... | 11/25/1980 |
| 4230933 | Electric air heating element An electric air heating element is designed for positioning in the cylindrical or conical outlet tube of a hair dryer. It consists of a star-shaped coil carrier in the shape of four fins extending radially from a common center line in the axis of the outl... | 10/28/1980 |
| 4229972 | Methods of and/or means for indicating the levels of liquids A wire wound resistor is vertically disposed in a vessel. The resistor has a former of between 20 mm and 45 mm diameter and resistance wire of a resistance of between 1 and 4 ohms per turn connected in the circuit of an A.C. bridge circuit. Impedance chan... | 10/28/1980 |
| 4207457 | Porcupine wire coil electric resistance fluid heater A porcupine wire coil of electric resistance wire is positioned in a tube having an electrically insulating inside in which the peaks or looped ends of the coil convolutions are embedded so as to hold the coil convolutions spaced from each other. When the... | 06/10/1980 |
| 4156128 | Electrical heater An electrical heater is combined with a thermostat in a sealed enclosure itself sealed in a glass tube, the enclosure comprising two tubes telescoped together, one being translucent and containing the thermostat and the other being of electrically insulat... | 05/22/1979 |
| 4155063 | Temperature sensor means A probe-like temperature sensor assembly has a body carrying thereon a length of electrical resistance wire coiled thereabout and having ends of such coiled resistance wire electrically connected to respective terminal means; the resistance wire changes i... | 05/15/1979 |
| 4150355 | Electrical splices for wire wound resistors Stamped and formed connecting device for splicing a small diameter lead wire to a larger diameter resistor core comprises a U-shaped connecting member having a web and sidewalls. The web has a semicylindrical central depression for the lead wire and has a... | 04/17/1979 |
| 4135179 | Electrical temperature sensing device An electrical temperature sensing device for food heating appliances such as toasters and the like which is constructed to provide rapid thermal response, significant resistance variation as a function of temperature, and good mechanical strength so as to... | 01/16/1979 |
| 4112410 | Heater and method of making same A heater comprising a metallic tubular sheath in which an elongate electrical center conductor is coaxially disposed therewithin. A fibrous, inorganic electrical insulation material is wrapped around the center conductor and an electrical resistance heati... | 09/05/1978 |
| 4072921 | Low inductance precision resistor deposited on an adhesive backing and wound on a bobbin A precision resistor wherein the resistor wire is deposited in a sinuous pattern on the adhesive surface of a thin, flexible tape of electrical insulating material. In winding the tape onto a multibobbin coil form the intermediate flanges of the coil form... | 02/07/1978 |
