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| Number | Title | Issue Date |
| 4538316 | Pipe cleaning equipment The cleaning equipment has at least one cleaning unit and a propelling unit in hinged connection. The cleaning unit has cutting arms pivoted in a head. By means of a compact design of the cleaning unit or units with an axial length of the cutting arms sub... | 09/03/1985 |
| 4507611 | Method for detecting surface and subsurface anomalies of the earth using vertical current measurements A method for locating and evaluating surface and subsurface anomalies. Solar wind results in a multi-frequency, high energy ionic impingement at the terrestrial poles of the earth. Monitoring the activity of the solar wind allows the determination as to w... | 03/26/1985 |
| 4483529 | Tag transport method Apparatus and method for attaching tags to garments, gloves, handbags and the like includes an assembly for feeding tags from a stacked supply to a tag attaching station, an assembly for affixing the tag to the garment at the tag attaching station, and a ... | 11/20/1984 |
| 4475868 | Free-flow-pump The free-flow pump has an impeller housing (9, 10) laterally of its free flow chamber (4), and the impeller (6) is located in the impeller chamber (9, 10). The external, radial limiting member (10) of the impeller housing is drawn forwardly into the free ... | 10/09/1984 |
| 4474125 | Tag attaching machine Apparatus and method for attaching tags to garments, gloves, handbags and the like includes an assembly for feeding tags from a stacked supply to a tag attaching station, an assembly for affixing the tag to the garment at the tag attaching station, and a ... | 10/02/1984 |
| 4474076 | Device for balancing rotation bodies A device for balancing rotating bodies comprising two inertia masses, which are disposed in a cylindrical housing which can be connected to the body to be balanced such as a grinding disc, and which are mutually connected by means of a self-locking worm g... | 10/02/1984 |
| 4455935 | Method and apparatus for printing box-shaped articles with vertically disposed printing stencils A box-shaped article to be printed arrives on a conveyor belt and is stopped by a sluice-gate and, after said article has been released, it arrives on a conveyor slide in order to be brought onto a lifting platform. After the article has been raised to th... | 06/26/1984 |
| 4454769 | Radial force measuring cell The measuring cell comprises two systems of transducers (strain gauges) disposed respectively in two regions of concentration of force of the cell, each system comprising a pair of transducers arranged axially within a plane, the angle enclosed between th... | 06/19/1984 |
| 4435959 | Hot-gas piston-type engine and use thereof in heating, cooling and power plants A hot-gas piston engine (4) has, as a compression chamber, a heat exchanger (6) which comprises a number of small pipes (7) or differently designed capillaries which protrude into the burner chamber (5) of a burner (1). In the compression phase, air in th... | 03/13/1984 |
| 4430125 | Process of manufacture of a composite material and composite material manufactured by this process For manufacturing a composite material, organic fibrous material like paper, straw, hay, grasses, moss, leaves, reed is mixed with alkali silicate and a fluosilicate as well as with a metallic oxide or a basic metallic silicate forming a higher melting si... | 02/07/1984 |
| 4427952 | Oscillator circuit with digital temperature compensation The oscillator circuit comprises a digital temperature compensation circuit connected to a low and a high frequency quartz oscillator. The two quartz oscillators have the same inversion temperature points and a different temperature behaviour. In the temp... | 01/24/1984 |
| 4427300 | Timepiece with a perpetual calendar mechanism The mechanism comprises a date-disc (8) actuated at midnight by a lever (1) supporting a rotary part (3) with catches (3a) gearing with the wheel (4) of 24 h. The mechanism is so designed that each transition from a date to the next is effected in less th... | 01/24/1984 |
| 4425538 | Timepiece with a device for the control of a stepping motor The timepiece includes a detector of the direction of the current in the winding of the motor which is used to detect the first reversal in current direction after the end of the driving pulse and to deliver a signal which is representative of this curren... | 01/10/1984 |
| 4416208 | Auxiliary device for a sewing machine An auxiliary device for sewing machines comprises tappets and switches in the coupling parts of the presser foot shaft. The tappets are arranged in accordance with a determined code and they activate a combination of the switches. The switches are connect... | 11/22/1983 |
| 4415870 | Oscillator circuit with digital temperature compensation An oscillator circuit having a digital temperature compensation circuit which contains two low frequency quartz oscillators, a beat frequency generator and a correction circuit and a logic circuit selectively controlling an addition circuit. The beat freq... | 11/15/1983 |
| 4405124 | Tag feed mechanism Apparatus for feeding tags from a tag hopper to a tag attaching station includes a spring biased push member having a notched front end for cooperation with a downwardly inclined shutter at the entry of the tag hopper for engaging the lowermost tag and pu... | 09/20/1983 |
| 4400092 | Analogue and digital display A combined analogue and digital display device having a plurality of individually energizable display elements arranged symmetrically with at least some of the elements common to both displays. Several of the elements are disposed so as to form groups of ... | 08/23/1983 |
| 4398832 | Multifunction timepiece The timepiece comprises a first motor (8) driving the seconds hand (s) independently from the other hands indicating the minutes and the hours which are driven by a second motor (4). A logic circuit (5) is capable of controlling the first motor (8) in res... | 08/16/1983 |
| 4393951 | Measuring device of the useful load and of the load on the axles of a truck The measuring device of the useful load and of the load on the axles of a truck comprises load cells mounted on a truck frame. A plate transmits the weight of the tipper and the one of the useful load to the load cells. The device comprises three load cel... | 07/19/1983 |
| 4391210 | Tag attaching machine Apparatus for attaching tags to garments, gloves, handbags and the like includes an assembly for feeding tags from a stacked supply to a tag attaching station, an assembly for affixing the tag to the garment at the tag attaching station, and a control net... | 07/05/1983 |
| 4387287 | Method for a shaping of polycrystalline synthetic diamond The present invention refers to a method for the shaping of polycrystalline, synthetic diamond and, in particular, to the production of profiled parts like tools. The shaping process is performed by spark erosion with electrodes shaped accordingly.... | 06/07/1983 |
| 4386857 | Electronic timepiece with automatic correction of the variation of rate An electronic timepiece comprising counters and logic devices, in which the counters are utilized to memorize a variation of rate of the timepiece with respect to a time reference in response to actuation of a control means, and in which the logic devices... | 06/07/1983 |
| 4385291 | Electronic diary watch The data input device permits the selection of a symbol amongst a set of N symbols, e.g. for memorizing a message. A data input device permitting selection of a particular symbol from amongst a set of N symbols includes a display subdivided into K distinc... | 05/24/1983 |
| 4384241 | Sewing machine drive A sewing machine drive having a mains rectifier (1) which, via a chopper (2) operating at a relatively high frequency, supplies direct current pulses to the driving motor (3). The duty ratio of these driving pulses is controlled as a function of a nominal... | 05/17/1983 |
| 4369986 | Folding stroller for transporting children A folding stroller for transporting children includes a pair of side rods articulated in the center having curved steering handles at the upper ends and wheels at the lower ends, a first cross rod pivotally connecting the lower ends of the side rods and a... | 01/25/1983 |
| 4355716 | Cigarette case An improved cigarette case including a plurality of matches disposed thereon so as to be immediately accessible for use, and a striking surface for lighting said matches.... | 10/26/1982 |
| 4355429 | Slide prosthesis for the knee joint A slide prosthesis for the knee joint is provided to be secured free of cement, the tibia members, the femur members and the surface replacement for the knee cap having anchoring pins which are provided with a saw tooth-like or bone screw-shaped profile. ... | 10/26/1982 |
| 4352073 | Complementary MOS field effect transistor amplifier An amplifier includes an inverter with two transistors of complementary types. The first transistor is biased through a third transistor of the same type of conductivity by a first reference voltage, the third transistor being biased by a third voltage of... | 09/28/1982 |
| 4345320 | Integrated circuit for a time-piece An integrated circuit for a time-piece including an oscillator, a frequency divider, an electronic circuit for effecting at least one auxiliary function depending on information delivered to the inputs thereof, a circuit for controlling a display and a ci... | 08/17/1982 |
| 4345221 | Temperature compensated signal generator including two crystal oscillators A signal generator having a digital temperature compensation circuit contains high and low frequency quartz oscillators (HF and NF), the low frequency oscillator being used for temperature compensation. Both oscillators are manufactured such that the desc... | 08/17/1982 |
| 4344046 | Signal generator including high and low frequency oscillators A signal generator includes a high frequency oscillator such as a quartz crystal oscillator at a frequency of 4.19 MHz, a low frequency quartz oscillator with a frequency of 32 kHz, a beat frequency generator for producing a correction signal which is tra... | 08/10/1982 |
| 4343256 | Sewing machine A sewing machine having a torsion spring coupling between drive and machine shaft. An engageable catch pawl acts on a stop element connected to the drive, which stop element is connected to the drive side of the coupling spring of the drive. If the catch ... | 08/10/1982 |
| 4341401 | Method and apparatus for covering books Book coverings for protecting and improving the aesthetic appearance of books of varying sizes in which an outer wrapping sheet, which may be opaque or transparent, is cut or folded to conform to the height of the book leaving end flaps for the front and ... | 07/27/1982 |
| 4341306 | Disposable razor package An internally hollow package includes front, rear and side panels. A pair of aligned openings are cut in the front and rear panels leaving corresponding flaps contiguous with an end panel. The flaps and the end panel abut and secure the heads of a set of ... | 07/27/1982 |
| 4341259 | Method for speed control of a continuous metal strip casting machine and rolling mill arrangement, and system controlled according to this method A method for controlling a casting and rolling mill by measuring the speed of a cast strip between the casting machine and the first following rolling mill and regulating the speed of the casting machine directly proportional to the measured speed of the ... | 07/27/1982 |
| 4338556 | Electronically controlled thread-cutting machine An electronically controlled thread-cutting machine comprising a pulse controlled stepping motor for driving the thread-cutting tool, sensor means for scanning an adjustable thread depth and the torque on the thread-cutting tool, said scanning means compr... | 07/06/1982 |
| 4336608 | Electronic timepiece An electronic timepiece comprising means to appreciably increase the number of distinctive information which can be introduced and, if necessary memorized, for a given number of terminals intended for that purpose, information needed for the adjustment of... | 06/22/1982 |
| 4331089 | Device for simplification of sewing machine adjustments and set-up The device for simplification of adjustment and set-up of a sewing machine comprises a keyboard allowing introduction of information relating to the sewing operation to be performed to the material to be sewn and the like. The information introduced are a... | 05/25/1982 |
| 4327659 | Minimum drag fluid reaction element and fluid control methods A minimum drag fluid reaction element including a rotatable shaft adapted to be supported by a vessel carried upon or within a fluid medium; and a rigid fluid reaction fin fixedly attached to the shaft for extension into the fluid medium, the shaft and th... | 05/04/1982 |
| 4325392 | Facial brush for controlling pseudofolliculitis barbae A brush having bristles of varying heights in predetermined configurations is disclosed for extirpating ingrown facial hair from false follicles prior to shaving. The brush includes bristles of specified shapes, and incorporates a support for a razor. By ... | 04/20/1982 |