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| Number | Title | Issue Date |
| 4322106 | Push bumper for tow trucks A push bumper for tow trucks comprising a rigid frame defining a flat center portion and rearwardly canted end portions with a front plate secured over the face of the frame and a back plate secured to the rear of the frame. The back plate is provided wit... | 03/30/1982 |
| 4234871 | Capacitive keyboard for data processing equipments In a capacitive keyboard using a polarized dielectric commonly called an electret, the keys are organized according to a matrix by rows and columns, the signals generated on the column conductors being of opposite polarity with respect to those generated ... | 11/18/1980 |
| 4234369 | Method for repairing and retreading vehicle tires For use in repairing or retreading tires, particularly large tires for earth-moving equipment and the like, the portion to be repaired or retreaded is covered and surrounded by a flexible enclosure attached to the tire in gas-sealing relationship by an ad... | 11/18/1980 |
| 4233224 | Coriolin derivatives Anti-tumor low-toxicity coriolin derivatives represented by the following general formula: ##STR1## wherein one of X and Y is ##STR2## and the other is >C OH, >C.dbd.O or ##STR3##... | 11/11/1980 |
| 4231541 | Concrete form panel tying apparatus Apparatus for tying together concrete form panels includes an elongated tie and means attachable to a concrete form panel for clamping the tie to restrain relative movement between the tie and the form panel. The tie has end portions of a first transverse... | 11/04/1980 |
| 4230600 | Composition for conditioning softwood logs prior to peeling operation Veneer production from softwood logs is improved by adding at least about 0.003% of urea to the hot water soaking vats prior to peeling the veneer from the logs. Enhanced results are achieved when urea is added together with a base such as sodium hydroxid... | 10/28/1980 |
| 4228038 | Method for the preparation of catalyst of vanadium pentoxide on substrate of titanium dioxide A method for the manufacture of a selective oxidation catalyst by heating titanium dioxide in the presence of water prior to treating the titanium dioxide with vanadium oxytrichloride in vapor form and then heating the treated titanium dioxide. This treat... | 10/14/1980 |
| 4227300 | Method for the electrical bonding of thin film tantalum capacitor networks to other networks A method for electrically bonding tantalum thin film capacitor networks to other networks is described. A first non-conducting support member has a thin film tantalum capacitor mounted thereon. A second non-conducting support member has another component ... | 10/14/1980 |
| 4226576 | Protein texturization by centrifugal spinning A bland texturized monofilament protein product having a texture and mouth feel simulating animal meat is prepared by forming an aqueous slurry of a protein material, injecting high pressure steam into the slurry to propel it through a confined treatment ... | 10/07/1980 |
| 4226122 | Apparatus for recording echo pulses A three-dimensional ultrasonic scanning apparatus produces projection pictures on the surface of an object under inspection or examination and on planes perpendicular thereto. The amplitudes of the echo pulses produced by the ultrasonic scanning appartus,... | 10/07/1980 |
| 4225995 | Brush assembly for vehicle washing apparatus having a flexible elastic coupling A rotating brush assembly for a vehicle washing apparatus is disclosed in which the brush assembly, which includes a brush, a brush shaft supporting the brush, a brush motor for driving the brush shaft and a flexible elastic coupling, is permitted to swin... | 10/07/1980 |
| 4225084 | Rotary atomizer with asymmetrical teeth A rotary atomizer suitable for spraying crops with liquid in the shape of a hollow truncated cone having a toothed periphery and internal radial grooves has asymmetric teeth, one side of each tooth being radial and the other side of each tooth being dispo... | 09/30/1980 |
| 4223359 | Flexible magnetic disk recording apparatus An apparatus for recording binary information on a flexible magnetic disk of small dimension, comprises a rotatable hub connected to a plate on a first surface of which is formed a spiral guide. The hub has a cylindrical portion engageable accurately with... | 09/16/1980 |
| 4222532 | Roll holder A roll holder is disclosed having a pair of spaced roll supporting means, wherein one of the supporting means comprises a movable arm pivotable about an oblique axis between a roll supporting position and a roll loading position.... | 09/16/1980 |
| 4222523 | Turbine driven rotary atomizer and method of use A rotary atomizer suitable for spraying crops with liquid is driven by the liquid itself. The atomizer comprises a hollow, truncated cone, a central axial shaft extending through the interior of the cone, a liquid jet driven turbine on the shaft, and an o... | 09/16/1980 |
| 4222083 | Writing and/or reading apparatus for magnetic tape cassettes The apparatus is adapted to simultaneously treating a pair of magnetic tape cassettes. The apparatus comprises two pairs of hubs, which cooperate with the reels of the magnetic tapes, and which can rotate in both directions at a substantially constant ang... | 09/09/1980 |
| 4222082 | Magnetic disk apparatus with automatic fast head advance In an apparatus for recording binary information on a flexible magnetic disk, a plate, is provided connected to an electric motor, for rotating the disk, and a spiral guide is formed on a first surface of the plate for moving a recording head radially wit... | 09/09/1980 |
| 4221332 | Rotary atomizer with stacked cones A rotary atomizer suitable for spraying crops with liquid comprising a stack of hollow truncated cones with internal grooves spaced apart by ribs mating with some of the grooves and held together on a central, stationary spindle by thrust bearings at eith... | 09/09/1980 |
| 4220715 | Apparatus for and method of detection of significant bacteriuria in urine samples through measurement of head space gas oxygen consumption in a closed-vial system The detection of "significant bacteriuria" in a urine sample is accomplished by measuring the head space gas oxygen consumption in a closed vial system. A sample to be tested is introduced into a sealed vial containing a growth medium and the head space g... | 09/02/1980 |
| 4220005 | Combination vaporized driving fluid generator and engine unit A vaporized driving fluid generator and engine unit are associated in open communication with each other with driving fluid being injected, in synchronized relation to the cyclic operation of the engine, into an externally heated casing which contains hea... | 09/02/1980 |
| 4219939 | Method and device for surveying the basal area of a forest stand The present invention relates to a method and device for carrying out a survey of the basal area of a forest stand and the distribution of the individual trees with respect to diameter classes. The device of the invention comprises a caliper combined with a re... | 09/02/1980 |
| 4219428 | Water reservoir A water collection device is disclosed which provides a source of usable water from collected surface and waste water, and comprises three concentrically arranged compartments which function as a septic tank. The innermost compartment performs a settling ... | 08/26/1980 |
| 4219180 | Tying apparatus for concrete form panel Tying apparatus for holding concrete form panels in spaced relation has an elongated tie and clamping means attachable to a concrete form panel which is engageable with the tie to anchor the tie so as to restrain relative movement between the tie and the ... | 08/26/1980 |
| 4218929 | Vibratory device for feeders and the like A vibratory device operable as a two mass vibrating system for driving a work member as used in feeders, screens, conveyors and the like, employs a motor driven eccentric weight exciter attached to one mass which is spring coupled to a second mass with th... | 08/26/1980 |
| 4218262 | Nonclumping, delayed action viscosity increasing agent A nonclumping, delayed action viscosity increasing agent comprising core particles of xanthan gum and an encapsulating coating of a fat derivative selected from the group consisting of fatty acids and mono and diglycerides of fatty acids and a surfactant ... | 08/19/1980 |
| 4214964 | Electrolytic process and apparatus for the recovery of metal values An electrolytic process and an electrolytic cell for recovering metal values from low grade concentrates. The said concentrate is introduced into the cell containing an aqueous electrolyte so that it is retained in proximity to an anode or anodes and kept... | 07/29/1980 |
| 4213405 | Water-cooled grate A furnace for the combustion of solid fuel is disclosed comprising two juxtaposed grate portions and a passageway for conducting combustion gases from the area above one grate portion to the fuel contained on the other grate portion. One grate portion is ... | 07/22/1980 |
| 4212077 | Text processing system for displaying and editing a line of text A text processing system comprises a keyboard, a printing unit, a display unit having the capacity of displaying up to a line of entered text and a control unit which updates the display unit upon each entry of a character from the keyboard, and enables t... | 07/08/1980 |
| 4212060 | Method and apparatus for controlling the sequence of instructions in stored-program computers A method and apparatus for controlling the instruction sequence in a stored program data processing system is described. An interrogation instruction causes the execution of a conditional check. As a result of this conditional check, one or the other of t... | 07/08/1980 |
| 4211266 | Flexible container with discharge tube A container consisting of a flexible body, base and cover and having flexible discharge and filling tubes in the base and cover, respectively, and flaps attached to the exterior of the base; the discharge and filling tubes and flaps having releasable secu... | 07/08/1980 |
| 4211243 | Process for producing expanded tobacco stems Expanded porous tobacco stems with a low apparent density and an excellent quality of smoking taste are obtained by heating under a pressurized atmosphere tobacco stems separated from tobacco leaves, as such or after moisturization, at a temperature of 15... | 07/08/1980 |
| 4210118 | Collapsible barbecues There is disclosed a portable barbecue cooking stove having scissor action support legs pivotally joined together and pivotably joined to a cooking and support surface by pivot pins and an over-center link arrangement so that in the erected position the c... | 07/01/1980 |
| 4208393 | Purification process A process for the treatment of aqueous sulphuric acid solutions containing dissolved ferrous sulphate comprising forming such a solution containing from 140 to 220 grams/liter free sulphuric acid in a first zone; adjusting the pH value of the solution in ... | 06/17/1980 |
| 4206858 | Dispenser for flexible sheet material A dispenser for flexible sheet material having a reserve roll that automatically moves into the dispensing position when the dispensing roll is almost exhausted. The sides of the reserve roll guide tracks are angled inwardly to engage the reserve roll spo... | 06/10/1980 |
| 4205917 | Method of utilizing interferometric information from two different holograms exposed with short interval The present invention is directed to a holographic interferometer for measuring the deformation of an object or mechanical structure by exposing one or more hologram plates to a light source and a reference beam. In particular, the invention is directed t... | 06/03/1980 |
| 4205352 | Device for encoding and recording information with peak shift compensation In a device for encoding and recording digital signals on a magnetic recording medium, precompensation in respect of errors which arise with high bit packing densities is effected by selectively advancing and delaying the signals. The delay or advance is ... | 05/27/1980 |
| 4204254 | Electronic computer including an information refreshing arrangement The operative memory of the computer is of the MOS type and is cyclically refreshed under the control of logic circuits, in turn controlled by the timing unit during the microinstructions decoding. Particularly, every machine cycle in which an odd microin... | 05/20/1980 |
| 4203562 | Flexible sheet material dispensing of rolls in succession A dispenser for flexible sheet material to carry multiple rolls of material such as paper toweling with dispensing mechanism being provided to lead a web of material out of the dispenser to the user. While one roll is in an initial dispensing position a r... | 05/20/1980 |
| 4203541 | Affixing cushioning pads to floor sleepers Apparatus for affixing spaced cushioning pads to wooden floor sleepers has a positioning channel to hold a sleeper to be padded with lifting means provided to raise the sleeper into working position, cushioning pads are placed at spaced positions along th... | 05/20/1980 |
| 4203016 | Electric switch utilizing coil spring torsion biasing in switch operation A miniaturized electric switch particularly suitable for electronic keyboard control applications includes at least one coil spring having a laterally extending coil spring end contact where spring compression biases the switch toward an unoperated condit... | 05/13/1980 |
