Patents

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-4,700,052 Apparatus for controlling and adjusting heat output during the heating phase of a steam pressure cooking vessel
An apparatus for controlling and adjusting heat output during the heating phase of a steam pressure cooking vessel. The steam pressure cooking vessel is heated...
US-4,700,051 Radiant heater for cooking appliances
A radiant heater for cooking appliances with a glass ceramic plate has both bright light-radiating heating elements such as high temperature halogen lamps...
US-4,700,050 Heater clamping arrangement for electrically heated boilers
The boiler comprises a vessel (1) and a heating element (2) associated with this vessel (1). The vessel (1) comprises at least two compartments which have...
US-4,700,049 Wall-mounted electric hair dryer incorporating dual-voltage electric shaver outlets
A wall-mounted hair dryer has a casing which contains a heating element, a motor, an impeller and associated electrical circuitry. There is a flexible air hose...
US-4,700,048 Heating attachment for towelettes
An attachment for a towelette container provides a path through which the towelettes pass as they are removed from the container and a heater warms the...
US-4,700,047 Fuel preheater for diesel engines
A fuel preheating unit for diesel engines includes a heat exchange coil positioned in a fluid-tight enclosure having an inlet and outlet for a heat exchange...
US-4,700,046 Control device for vehicle in-seat heater
In known heat-emitting units (1) for car seats the unit (1) is heated to a set temperature and once this has been reached the temperature in the unit (1)...
US-4,700,045 Seam tracking system with acousto-optical scanner
A system for tracking a random seam on a surface for the purposes of, for example, welding or inspecting the seam. The sensing assembly in the system comprises a...
US-4,700,044 Laser soldering apparatus and method
Fine wires are soldered without flux to solder pads on a flexible circuit of a workpiece by a laser. The laser beam is aligned and moved over the solder pad to...
US-4,700,043 Method of forming bore in eyeless operating needle
A method of forming a bore for attachment of an end of a suture, in a proximal end portion of an eyeless operating needle. An original needle is prepared which...
US-4,700,042 Device for controlling electrical resistance welding apparatus, particularly for controlling apparatus for...
In electrical resistance welding apparatus comprising two welding electrodes connected through respective supply cables to an electrical power supply which can...
US-4,700,041 Method and apparatus for projection welding
Two metal plates 1a, 1b are projection welded together using a truncated conical projection 12 on a first one of the plates having a spherical end surface. The...
US-4,700,040 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...
US-4,700,039 Method and device for controlling the tool electrode in an electrical discharge machine tool
The up and down movement of the tool electrode of an electrical discharge machine is controlled by a circuit arrangement including an electrical discharge...
US-4,700,038 Method and apparatus for measuring the rate of wear of an EDM electrode tool
The electrode wear rate is determined by using two detectors and a clock to measure the time taken for the voltage across the gap to drop between two preset...
US-4,700,037 Machine for welding rounded body blanks
The body blanks (10) are moved through, with overlapping longitudinal edges, between an inner and an outer electrode roller (14, 24), the axes (16, 26) of which...
US-4,700,036 Induction heating device with improved locking mechanism for slidable inductors
A disengagable locking arrangement for holding an inductor assembly for heating a valve seat, which assembly is reciprocally movable along a path through a...
US-4,700,035 Microwave oven door
A microwave oven door assembly that effectively saves assembly time and lowers cost by significantly reducing the number of the door component parts. By...
US-4,700,034 Electromagnetic energy seal of a microwave oven
A microwave leakage shielding apparatus of microwave oven which can cut off the leakage of high-frequency electromagnetic wave as well as that of second...
US-4,700,033 Turn signal lever repair mounting
A repair kit for repairing a lever switch, such as a turn signal lever. The repair mounting includes a bore dimensioned so as to insertably receive the broken...
US-4,700,032 Keyboard apparatus and method for making same
A keyboard is assembled by providing first and second electrically conductive strips of layers and first and second electrically insulative strips of layers,...
US-4,700,031 Trigger and switch assembly
An interchangeable switching system for an electrical device includes a trigger, first and second electrical contacts, and first and second interchangeable...
US-4,700,030 Switch device having an insulating screen inserted between the contacts during breaking
An electric switch in which a screen is inserted very quickly between two contacts at the moment when they part. The energy of the arc generated between the...
US-4,700,029 High-tension circuit-breaker having arc-extinguishing gas under pressure
A high-tension circuit-breaker having dielectric gas under pressure, the circuit-breaker comprising at least one assembled pair of first and second superposed...
US-4,700,028 Portable breakload tool
A portable breakload tool which permits opening of electric devices under load so that the opening is made without apparent external arc. The tool includes an...
US-4,700,027 Switch actuator system
A switch arrangement is disclosed which may be used with an enclosed fluid resistant container. A pin-like element is inserted through a wall of the container to...
US-4,700,026 Wiper home position stop device
A wiper driving unit for driving a wiper for a vehicle such as a motor vehicle includes: a driving gear driven by a motor, for driving the wiper; and a clutch...
US-4,700,025 Transparent touch-sensitive panel
A transparent touch-sensitive panel comprising a transparent touch-sensitive switch consisting of an upper plate, a lower plate, and an insulating spacer. A...
US-4,700,024 Signal and current transmission system with transducers spaced by the collector lines
Control signals are transmitted to and from a vehicle in that stationary transducers are mounted on a parallelogram suspension for a collector line in a...
US-4,700,023 Trackless, center articulation underground vehicle driven by an electric motor
A trackless, center-pivot underground vehicle is described, which has a tractor section, which is driven by an electric motor, which is powered via a sliding...
US-4,700,022 Method and apparatus for determining the coordinates of a contact point on a resistive type semianalog...
A method and apparatus for determining the coordinates of a point of contact of an object on a semianalog sensitive surface. The coordinates are of a zone of...
US-4,700,021 Circuit arrangement for the transmission of data signals between control devices connected to one another via a...
A system for transmitting data signals between control devices connected to each other by a transmission loop operated directionally dependent has a number of...
US-4,700,020 Method and circuit arrangement for the transmission of data signals between control devices connected to one...
A data transmission system has a number of control devices connected via a transmission loop. Each control device includes signal processing circuitry which...
US-4,700,019 Method and circuit arrangement for the transmission of data signals to a group of control devices belonging to...
A data transmission system having a number of control devices connected by at least one clock-control transmission loop operated directionally dependent insures...
US-4,700,018 Method and circuit arrangement for the transmission of data signals between two control devices belonging to a...
A method and apparatus for transmitting data signals between two control devices connected to a loop transmission system are disclosed wherein data signals are...
US-4,700,017 Ball joint for lamp
A ball joint is disclosed to couple together elements of an electric lamp fixture. Two semi-spherical ball joint members are pivotalbly mounted about a pin so as...
US-4,700,016 Printed circuit board with vias at fixed and selectable locations
A printed circuit board for electric circuits is formed of plural layers of electrical conductors and includes through holes and vias arranged in a regular...
US-4,700,015 Insulating structure for an external terminal
An insulating structure for an external terminal of an electronic part is formed of two insulating housing parts abutting along a junction to define an...
US-4,700,014 Cap for insulator support housing
A cover cap (40) is provided for covering the open end of a support insulator (38) having a discharge electrode hanger rod (28) passing coaxially therethrough....
US-4,700,013 Hybrid solar energy generating system
A hybrid solar energy generating system for effectively utilizing the total solar spectrum gathered by a solar ray concentrator. The system includes a first...
US-4,700,012 Process for isomerizing xylene
A process for continuously isomerizing xylene, which comprises subjecting a hydrocarbon feed material comprising a major proportion of a xylene isomer mixture...
US-4,700,011 Methods for the production and purification of di (nitrophenyl) ethers
Di(nitrophenyl) ethers are prepared by the reaction of a halogeno-nitrophenyl compound with a base wherein the water in the reaction system is removed during the...
US-4,700,010 Process for hydroxyarylaldehydes
A catalytic process for the formylation, in the 2-position, of optionally substituted phenols, particularly 4-nonylphenol, using a catalyst comprising a tin...
US-4,700,009 Process for preparing a substituted benzaldehyde
The present disclosure is concerned with a novel process for the manufacture of substituted benzaldehydes, namely of benzaldehydes of the formula ##STR1## ...
US-4,700,008 4,8-dimethylbicyclo(3.3.1)nonane derivatives
There is disclosed a novel 4,8-dimethylbicyclo[3.3.1]nonane derivative represented by the formula [I]: ##STR1## wherein X and Y have the same meanings as...
US-4,700,007 Process for preparing macrocyclic ketones
An improvement in a process for preparing a macrocyclic ketone having from 12 to 18 carbon atoms which comprises intramolecular cyclization of a lower alcohol...
US-4,700,006 Carbamoylimidazole derivatives
Novel carbamoylimidazole derivatives of the formula (I) ##STR1## in which R.sup.1 represents lower alkyl, lower alkoxy-lower alkyl or cycloalkyl having 3 to...
US-4,700,005 Preparation of phenolic ethers
Phenolic ethers are produced by reacting a phenol with a compound selected from an alkyl halide, an aryl halide, a dialkyl sulphate and a diaryl sulphate in the...
US-4,700,004 Conversion of mercaptans to disulfides with soluble cobalt catalyst system
A catalyst system consisting essentially of a cobalt salt of a carboxylic acid, an alkali or alkaline earth metal hydroxide, and an alkanol is set forth and has...
US-4,700,003 Ortho nitroanilines and a process for their production
New compounds having the formula I are described: ##STR1## wherein R and R.sup.1, independently are H, halogen, a straight- or branched-chain alkyl having 1...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | Next →