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| Patent # | Description |
|---|---|
| US-4,419,570 |
Heating glass pane A heated defrosting glass pane contains an alternation of conductive or nonelectricity-conductive regions. The conductive regions are transparent while in a... |
| US-4,419,569 |
Modular heating cable assembly A modular heating cable assembly having two cold wires extending the length thereof and a resistance heating wire interconnecting the two wires. The portion of... |
| US-4,419,568 |
Wet dressings heater A heater for wet dressings comprising, a case having a base with sidewalls defining a cavity, and an insert connected to the base and defining at least one... |
| US-4,419,567 |
Heating element for electric water heater The heating element has an outer connector assembly including a cylindrical threaded portion adapted to be threaded into a boss on the heater water tank and a... |
| US-4,419,566 |
Hot air soldering and resoldering system A hot air soldering and resoldering system may include means for also generating a jet of room-temperature or cold air. The hot air jet issues from a jet tip... |
| US-4,419,565 |
Two-mode steam brush curler A hand-held steam hair curler-brush includes a perforated open-ended metallic cylinder extending forwardly from a handle. Secured to the handle and extending... |
| US-4,419,564 |
Self-regulating electric heater for use in an early fuel evaporation
system A self regulating heater for use in an early fuel evaporation (EFE) system for an automotive engine includes a thermally conductive thick metal radiator body... |
| US-4,419,563 |
Rotary arc-welding method In a rotary arc-welding method which comprises: directing a nozzle substantially vertically toward a weld zone of objects of welding; feeding a consumable... |
| US-4,419,562 |
Nondestructive real-time method for monitoring the quality of a weld Herein disclosed is a noncontact, nondestructive method for monitoring the quality of a high energy weld, e.g., laser beam weld. In accordance with the proposed... |
| US-4,419,561 |
Metal wire cathode for electron beam apparatus An electron beam source including a longitudinally-displaceable cathode wire having one side disposed nearby an apertured anode for emitting electrons through... |
| US-4,419,560 |
Welding control with automatic percent heat adjustment This welding control method and apparatus automatically adjusts the percent heat of a welding machine in response to the duration of the preceding welds. The... |
| US-4,419,559 |
Resistive welder having a controlled output voltage unaffected by
secondary circuit disconnection A resistance welder is provided having an electronic contactor, a welding transformer coupled in series with the electronic contactor, and a secondary circuit... |
| US-4,419,558 |
Apparatus and method for monitoring and controlling resistance spot
welding The quality of an electrical resistance spot weld is determined by monitoring the squeezing force applied through the electrodes to the workpieces by a... |
| US-4,419,557 |
Method and apparatus for welding metal parts coated with a thermoplastic A pair of thermoplastic coated, paramagnetic metal sheets (26 and 27) are moved from a position within a first bus loop half (28) to a position within a second... |
| US-4,419,556 |
Extension control device and tubing member for controlling switch
actuation An extension control device and a tubing member usable therewith for use with a wall-mounted toggle switch assembly having a switch with a protruding lever. The... |
| US-4,419,555 |
Illuminated push-button switch assembly An illuminated push-button switch assembly includes a tubular housing closed at one end thereof by a base member having a lamp receptacle disposed within the... |
| US-4,419,554 |
Electric switches for receiving unitary internal contact/wire terminal
elements An electric switch having an insulating housing and at least one opening into said housing from outside thereof, with a user inserted wire terminal insertable... |
| US-4,419,553 |
Vacuum type circuit breaker A vacuum type circuit breaker which has an operating lever (31) connected at one end thereof to the movable electrode (102) of a vacuum switch tube (1) and at... |
| US-4,419,552 |
Circuit breaker A circuit breaker device is disclosed which includes a main contact coupled in parallel with a series combination of a resistor and a resistor contact. The wipe... |
| US-4,419,551 |
Vacuum circuit interrupter and method of producing the same An improved vacuum circuit interrupter, the electrode contacts of which are formed from a sintered copper-chromium alloy, with chromium dispersed in a copper... |
| US-4,419,550 |
Rotary switch apparatus having a multiple arm contact spring support A centrifugal motor switch includes a base plate having a U-shaped fixed contact bracket and a leaf spring contact unit mounted to one side. The plate is mounted... |
| US-4,419,549 |
Operating mechanism for an electric switch For initiating operating movement to an electric switch disposed in a housing having an access door, a movable element is interconnected with the switch and... |
| US-4,419,548 |
Timing device and method The present invention demonstrates an apparatus and method for accurately providing electrical current to appliances or the like for selected time periods. The... |
| US-4,419,547 |
Ignition distributor for internal combustion engine An ignition distributor wherein either a rotor electrode or each of cap electrodes is made of semiconductive alumina ceramics. The semiconductive alumina... |
| US-4,419,546 |
Rotary switch A multiposition rotary switch including a detent mechanism wherein a resilient plastic ring having radially extending detent bumps engage cam surfaces on the... |
| US-4,419,545 |
Electret transducer An electret transducer comprising a diaphragm (3) arranged between first (1 or 1') and second electrodes with at least one electrode (2) arranged at some... |
| US-4,419,544 |
Signal processing apparatus A generalized signal processing device for use as a hearing aid generates and modifies signals representative of acoustic patterns in a physiologically... |
| US-4,419,543 |
Tone activated hold circuit A hold circuit for use with Dual Tone Multi Frequency telephone systems including a bistable circuit connected across the telephone line, the ON state drawing... |
| US-4,419,542 |
Battery feed circuit The battery feed circuit of the present invention does not rely principally on balanced current generation circuitry but, instead, uses a feedback circuit to... |
| US-4,419,541 |
Pulsive noise removing apparatus A pulsive noise removing apparatus comprises a subtracting circuit (35) receiving one input thereto a stereo composite signal directly from a delay circuit (31).... |
| US-4,419,540 |
Speech synthesis system with variable interpolation capability A speech synthesis system with a linear predictive filter. The linear predictive filter utilizes coded reflection coefficients to produce digital signals... |
| US-4,419,539 |
Apparatus for preventing noise generation in an electrical digitizer due
to generation of optical signals A structure for transmitting an optical signal which allows physical separation of the optical source from the point of optical output, thereby preventing noise... |
| US-4,419,538 |
Under-carpet coaxial cable A thin-profile electrical cable is rendered capable of enduring compressive and tensile loading encountered in under-carpet usage by encasing separately in the... |
| US-4,419,537 |
Electrical wiring box arrangements Electrical wiring box arrangements include a wiring box, and a cable clamp device which mounts rotatably in a wall of the box adjacent to a knockout region. The... |
| US-4,419,536 |
Means for affixing an electronic component on a supporting medium The invention provides efficient means for orienting an electronic component on a supporting medium, whereby the axially extending leads of the component are... |
| US-4,419,535 |
Multi-cable conduit for floors and walls A multi-cable conduit has a housing which is opened at opposite ends, and a plurality of partitions dividing the interior of the housing into a plurality of... |
| US-4,419,534 |
End cap for communications cables In an end cap for communications cables, and particularly one equipped with a pulling eye, an axial spigot provided with cable engaging enlargements is also... |
| US-4,419,533 |
Photovoltaic device having incident radiation directing means for total
internal reflection There is disclosed new and improved photovoltaic devices which provide increased short circuit currents and efficiencies over that previously obtainable from... |
| US-4,419,532 |
Thermophotovoltaic power source A thermophotovoltaic power source comprising a Cassegrain solar collector and concentrator, a thermal vessel including a containment vessel holding thermal... |
| US-4,419,531 |
Photo-voltaic solar module A photovoltaic solar module having at least one solar cell embedded in synthetic resin and resting on a flexible supporting element and which further includes a... |
| US-4,419,530 |
Solar cell and method for producing same A method of electrically isolating portions of a large surface area semiconductor body for various purposes such as the production of improved photovoltaic and... |
| US-4,419,529 |
Process for the preparation of a 2-alkylphenol A 2-alkylphenol is prepared by reduction of a 2-acylphenol in the presence of a metallic catalyst. The reaction is carried out at a temperature of 80.degree. to... |
| US-4,419,528 |
Regioselective preparation of .alpha.- or .beta.-naphthol A process for the selective preparation of .alpha.- or .beta.-naphthol, respectively, by acid (Lewis or Bronsted, or superacidic mixtures thereof) catalyzed... |
| US-4,419,527 |
Catalyst and reverse disproportionation process A catalyst containing tungsten, lead, and an alkali or alkaline earth component on a support, preferably silica gel, is disclosed which is useful in reverse... |
| US-4,419,526 |
Catalyst and reverse disproportionation process A catalyst containing tungsten, antimony and an alkali or alkaline earth component on a support, preferably silica gel, is disclosed which is useful in reverse... |
| US-4,419,525 |
Recovery and rejuvenation of Wacker-type catalysts Wacker-type oxidation catalysts can be recovered and rejuvenated for further use by separating catalyst solids from the reaction mixture and, optionally,... |
| US-4,419,524 |
Process for the preparation of dihalovinylcyclopropanecarboxylic acids The invention relates to a new process for the preparation of cyclopropanecarboxylic acids of the formula (I) ##STR1## wherein X and Y independently stand... |
| US-4,419,523 |
N-(Benzenesulfonyl) carbamates-herbicidal antidotes N-(substituted benzenesulfonyl) carbamates as new compositions of matter useful as active herbicidal antidotes to protect against and decrease crop injury when... |
| US-4,419,522 |
Hexitols containing free carboxy groups and a process for the
preparation thereof The invention relates to new hexitols having the general formula (I) and (II), ##STR1## wherein the hexitol skeleton is dulcitol, mannitol or iditol, X... |
| US-4,419,521 |
6-Halo-4-chromanamines useful as intermediates to make chiral hydantoins A novel process for the synthesis of chiral hydantoins of the structure ##STR1## wherein X is fluoro or chloro, from the corresponding 6-halo-4-chromanone ... |
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