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| Number | Title | Issue Date |
| 4481990 | Device for tire protection and/or skid protection for vehicle tires In a tire protection and/or skid protection for vehicle tires the tread of the tire is provided with recesses, which are to receive tire protectors or skid protectors. These protectors are retained in the recesses by means of retaining strands mounted in ... | 11/13/1984 |
| 4364592 | Multi-purpose log handling tool The present invention provides a compact, multi-purpose log handling tool including a log handling hook with an integrally extending shank having an opening defined in its upper end. A loop shaped handle is received through the opening in the shank for mo... | 12/21/1982 |
| 4352382 | Tire protection chain In a tire protection chain with plate-shaped components (1) which cover the tread of the tire to be protected, and with at least one chain network (4) located on one side of the tire, the chain network is provided with overload safeguards (7, 8, 9, 14, 18... | 10/05/1982 |
| 4341122 | Force measuring device In a device for simultaneously measuring radial and axial forces with the aid of measuring positions (24, 25, 26, 27) arranged at roller bearings and formed by resistance strain gauges, possibilities for eliminating apparent axial forces, which could fals... | 07/27/1982 |
| 4339828 | Automatic method for advantageously trading signal distortion for improved noise threshold in frequency modulated receivers Communications systems employing frequency modulation have noise threshold levels that practically limit the minimum received signal level. This limit is particularly significant to satellite earth stations. A method that automatically and advantageously ... | 07/13/1982 |
| 4332309 | Apparatus for the atomization of oil in a compressed air line In an apparatus for the atomization of metered quantities of oil in a line (2) for supplying compressed air to compressed air units, there are provided a metering piston (10), to which pressure can be admitted via a control line (3), and two valves (18, 1... | 06/01/1982 |
| 4330890 | Garment in particular a bodice or swimsuit In a garment, and in particular especially in a bodice or swimsuit, eyelets (2), especially adjuster slides, are used for joining parts (1) of the garment to a tape or band (9), at least one portion (5) of the eyelets (2) being sewn in each case into a lo... | 05/25/1982 |
| 4330818 | Variable voltage direct current power supply and motor speed control A continuously variable voltage direct current power supply having first and second output terminals is provided using a variable transformer with a core of magnetically permeable material encircled by at least one electrical winding, with segments of win... | 05/18/1982 |
| 4329775 | Pressure measuring apparatus using vibratable wire The method of making a force-responsive instrument of the type including a tensioned wire of round cross-section to be vibrated perpendicular to the wire axis, wherein said instrument includes field-producing magnetic means operable with said wire to indu... | 05/18/1982 |
| 4328421 | Horizon sensor A family of two axis horizon sensors using the same basic scan technique is provided which achieves a relatively wide altitude range with a minimum of moving parts for performing vehicle attitude control and guidance. The horizon sensor for indicating the... | 05/04/1982 |
| 4326180 | Microwave backdiode microcircuits and method of making After a circuit is completely configured, including the mounting of semiconducting material onto a conductive layer and the connection of a conductor lead from a dot on the semiconducting material to the circuit, the required backdiode e/i characteristic ... | 04/20/1982 |
| 4323795 | Bias current network for IC digital-to-analog converters and the like A single-chip 8-bit DAC with bipolar current sources, an output buffer amplifier for developing an output voltage, a regulated reference for producing a calibrated output, and operated by a single-voltage supply, e.g. +5 volts. The buffer amplifier includ... | 04/06/1982 |
| 4322711 | Foot pedal motor control A foot pedal operated motor control is provided for controlling the speed of a motor. The entire motor control circuit is mounted in a foot pedal housing which circuit includes a generally disc shaped potentiometer having a rotatable and a stationary memb... | 03/30/1982 |
| 4321955 | Tire protector device A tire protector device with a covering, especially formed by plates, which exhibits at its ends next to the outside of the tire connector parts for fastening a chain net which covers the side wall of the tire. The edge of said chain net remote from the c... | 03/30/1982 |
| 4321741 | Method for protecting the feed tube of a food processor A method for protecting the feed tube of a food processor is described in which an outer sleeve associated with a movable food pusher and carrying an actuator enables operation of the food processor only when this outer sleeve is properly positioned over ... | 03/30/1982 |
| 4320827 | Chain conveyor For fixing conveyor elements (7) to the chain strands (5, 6) in a chain conveyor having two chain strands (5, 6) running over sprockets (1, 3), pairs of projections (11, 12) are used which grip one chain link (10) in each case and which, on assembly or di... | 03/23/1982 |
| 4320620 | Arrangement for fastening a structural part to a round steel chain In an arrangement for fastening a structural part (1) to a round steel chain by means of two webs (3,6) which overlap the long sides (19,20) of a chain link (9) and bridge the gap between said long sides (19,20) a centering member (5) is used which center... | 03/23/1982 |
| 4320400 | Method and apparatus that nearly instantaneously samples, processes and sorts received signals from very large numbers of radar and radio emitters for frequency and angle of arrival analysis A method and apparatus is described that processes, samples and sorts, for subsequent analysis, very large numbers of randomly arriving pulsed and continuous wave radio and radar signals, while providing essentially 100% probability of intercepting all si... | 03/16/1982 |
| 4319489 | Ultrasonic diagnostic method and apparatus An ultrasonic diagnostic method and apparatus are provided for probing the condition in a tissue of a living body by projecting an ultrasonic beam onto the living body from a vibrator array transducer probe consisting of a plurality of tiny ultrasonic vib... | 03/16/1982 |
| 4319475 | Center-spine mounted tandem cantilevered rolling mill A center-spine mounted tandem cantilevered rolling mill includes three or more pairs of upper and lower spindles. An elongated rigid center spine extends horizontally midway between the upper and lower spindles. The upper spindles are removably mounted ab... | 03/16/1982 |
| 4317117 | Cross correlated doppler radar/infra red velocity and presence sensor A doppler radar and infra red sensor focused by common means onto a region, will, with appropriate cross correlation, provide improved velocity and presence sensing in a complex uncontrolled environment. The illustrative overhead, roadside traffic sensor ... | 02/23/1982 |
| 4316537 | Chain conveyor For fixing conveyor elements (7) to the chain strands (5, 6) in a chain conveyor having two chain strands (5, 6) running over sprockets (1, 3), pairs of projections (9, 10) are used which grip one chain link in each case and which each have an arcuate out... | 02/23/1982 |
| 4316521 | Pivoted elevator mounting for mobile land seismic energy source A seismic energy generating assembly includes a seismic energy generator positioned within a cage-like frame and adapted for vertical movement within the frame in reaction to the powerful seismic energy impulses that are transmitted downwardly into the ea... | 02/23/1982 |
| 4313083 | Temperature compensated IC voltage reference A temperature-compensated IC voltage reference comprising a Zener diode serving as the principal voltage source, in combination with a compensating voltage source including a transistor providing a forward-biased junction, and control circuitry. The compe... | 01/26/1982 |
| 4312027 | Multiple capacitor winding with electrostatic shielding Multiple capacitors wound from two thin metallized dielectric films on a common core are provided with electrostatic shielding therebetween. A first capacitor is wound in the usual manner using two metallized films. After the winding of the first capacito... | 01/19/1982 |
| 4310841 | Signal handling apparatus Signal-processing apparatus for use with industrial instrumentation systems and the like, and comprising a memory to maintain a signal level for long time periods without drift. An input signal level is translated into the positioning of a movable member,... | 01/12/1982 |
| 4309693 | Solid state digital to analog converter An integrated-circuit 12-bit digital-to-analog converter comprising binarily-scaled constant-current sources with associated switch cells employing bipolar transistors to direct the bit currents either to a summing bus or to ground. The switch cells inclu... | 01/05/1982 |
| 4308711 | Packaging apparatus and techniques for forming closure-tops Packaging apparatus for making vacuum or gas-filled packages of the type including a flanged cup-shaped receptacle with a closure film sealed to the flanges and stretched down into the cup to engage and press against the product. The apparatus comprises a... | 01/05/1982 |
| 4308613 | Simplex, party-line electromagnetic data packet transmission system with a self seeking alternate routing capability The efficient and secure operation of facilities such as roads, pipelines, etc., will increasingly require reliable and low cost means for distribution and collection of operational data along the facility. A method using simplex, party-line transmission ... | 12/29/1981 |
| 4307847 | Readily installed food processor cutter tool with negative blade lift In order to overcome the unexpected dynamic lifting action of an easily installed rotary cutter tool in a food processor as the lower blade revolves at relatively high velocity through food material, such as shelled nuts in making nut butter, a downward i... | 12/29/1981 |
| 4306605 | Connector for chains A connector for chains, particularly tire chains, comprises a substantially C-shaped main body (1) whose free arms (3,4) define an insertion gap (5). In a position lying opposite the insertion gap (5) the yoke portion (2) of the main body (1) has roof sha... | 12/22/1981 |
| 4305282 | Meter installation for underground pipelines The present invention provides an improved meter installation for a deep underground pipeline employing a meter pit. Pre-coiled, flexible tubing lengths are coupled between the ends of the pipeline in the pit and a flowmeter which is also housed within th... | 12/15/1981 |
| 4304968 | Telephone electronic answering device A telephone electronic answering device (TEAD), interfaced to the standard telephone mechanism, resembles a pocket calculator in size and shape and receives and records messages sent to it from a caller's telephone. It receives either dual tone frequencie... | 12/08/1981 |
| 4303973 | Industrial process control system An industrial process control system for use with complex processes having many variables to be controlled. The system includes a CRT screen on which any of a series of predetermined displays can be presented to the process operator. The displays are arranged ... | 12/01/1981 |
| 4303904 | Universally applicable, in-motion and automatic toll paying system using microwaves Toll collection facilities for tunnels, bridges and turnpikes slow traffic, waste time and fuel, and increase air pollution. Eliminating the need for a toll payment stop would avoid this waste and reduce toll facility operating costs. A single, universall... | 12/01/1981 |
| 4303116 | Tire chain In a tire chain comprising a running network (3) with steel links between chain strand portions of the running network and the tread of the tire supporting members (4) provided with guide hollows (5) are disposed. By varying the state of at least one late... | 12/01/1981 |
| 4301887 | Acceleration-responsive apparatus for sensing firing instant of an air gun A variable reluctance type firing sensor is mounted on an air gun for providing an electrical signal indicative of the instant of firing of the air gun. The firing sensor has a magnetic circuit which includes a permanent magnet, a pair of pole pieces and ... | 11/24/1981 |
| 4300882 | Industrial furnace with side wall ceramic insulating modules An industrial furnace with insulating walls comprising side-by-side pre-formed panels each including a plurality of ceramic insulating modules. The side wall panels include vertical buckstays to which the modules are secured by retainer clips including sh... | 11/17/1981 |
| 4300094 | Finish measuring method and apparatus The amount of electrically conductive finish that has been applied to a filament is determined by measuring the conductance of a length of the filament. The measurements are made independently of any difference in conductivity of finish mediums by means o... | 11/10/1981 |
| 4299364 | Insulating module including a heater element support In a furnace insulating module, a plurality of heating element supports are embedded in situ in a ceramic fiber insulating body. Each support includes a rod with one end embedded in the insulating body. The rod is anchored to the insulating body by means ... | 11/10/1981 |
