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An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
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| Number | Title | Issue Date |
| 4318076 | Dynamic climatic condition indicating system A system for providing within the cockpit of an aircraft to the operator thereof a dynamic indication of climatic conditions at an airport. Such climatic conditions might include wind direction, wind speed, visibility, barometric pressure, temperature, an... | 03/02/1982 |
| 4311358 | Illumination device for fluorescence microscopes An illumination device permitting microscopes, for use of the microscope as a fluorescence microscope, comprises a light-screening tube (2, 4) preferably of variable length, one end of the tube being connectible to the microscope objective and the other e... | 01/19/1982 |
| 4307021 | Process for obtaining 1,5-dinitro-anthraquinone of high purity The invention relates to a process for obtaining 1,5-dinitro-anthraquinone of high purity from crude mixtures of dinitro-anthraquinones. Said mixture is treated at a temperature ranging from 150° C. to 200° C. with an ester having a boiling point greate... | 12/22/1981 |
| 4298173 | Apparatus for unwinding of a material web The present invention relates to an apparatus for unwinding a material web (19), for example a paper web, which is wound up on a core (18), for example a paper core. It is desirable to be able to reuse cores and remnant paper webs thereon separately. Howe... | 11/03/1981 |
| 4276740 | Self-twisted yarn and method and apparatus for producing it Two or more single strands are formed and false twisted to provide sections of S-twist and Z-twist which are longitudinally spaced apart and separated by nodes which have no twist. The strands while moving longitudinally are held against rotation at point... | 07/07/1981 |
| 4273800 | Coating mass control using magnetic field The invention provides a method for removal of an excess of a liquid metal coating from a substrate, such as a hot dip coated metal substrate, and in preferred embodiments, for control of metal coating thickness. The method involves moving the substrate throug... | 06/16/1981 |
| 4265258 | Dental floss A new and improved dental floss having a relatively large diameter to provide an increased surface area, and comprised of a multitude of fibers overlaid upon each other such that a number of the fiber ends extend beyond the main body of the dental floss a... | 05/05/1981 |
| 4266284 | Systems for the handling and distributing of data System for handling and distributing of data comprising a local ordering and memorizing center connected by a common line to a plurality of peripheral user equipments, wherein said peripheral user equipments are provided each with a memory unit adapted to... | 05/05/1981 |
| 4262023 | Frozen multiple-strain cheese starter composition The invention relates to cheese starter compositions comprising a plurality of discrete pellets containing frozen, live bacteria, wherein each pellet contains at least one strain of bacterium which is not appreciably present in at least one other of the p... | 04/14/1981 |
| 4259288 | Automatic multichannel apparatus for performing analyses on fluids, in particular for performing clinical-chemistry analyses on biological liquids An automatic multichannel apparatus for performing analyses on fluids, comprising, in combination, an array of sample-holder test tubes, mounted on an intermittently indexed drum, a needle for sample withdrawal carried by a mobile arm and adapted to be su... | 03/31/1981 |
| 4259578 | Movable collimator for positron annihilation imaging device A positron annihilation imaging device having two circular arrays of detectors disposed in spaced apart parallel planes wherein axially movable annular collimator rings are generally disposed in a pair of opposite planes outside the associated planes of t... | 03/31/1981 |
| 4257018 | Automatic tuning circuits for voltage controlled filters, by digital phase control Automatic tuning circuit for voltage controlled filters, by digital phase control, including an oscillator and a path to be filtered associated with the voltage controlled filter, wherein the voltage controlled filter must be adjusted on a frequency equal... | 03/17/1981 |
| 4254556 | Portable drafting device for drawing parallel lines, comprising a working plane of flexible plastic material, adapted to be rolled A portable drafting device for drawing parallel lines, consisting of a rectangular flexible plastic material, two guides applied each on one of the short sides of the board, at least one slider adapted to slide on one of said guides, a rule fastened to at... | 03/10/1981 |
| 4254611 | Textile twister mechanism The spool carrier of a double twist textile twister is held in space by connecting it to two rotatable assemblies which rotate respectively about a centered axis and an oblique axis. The obliquely oriented assembly is connected to the spool carrier by mea... | 03/10/1981 |
| 4253831 | Aspirating dental device An aspirating dental device. An elongated sleeve member extends along a dental instrument to define an airflow passage having an inlet, adjacent the working end of the dental instrument, and an outlet. A vacuum source is connected to the airflow passage t... | 03/03/1981 |
| 4241786 | Well tree saver A bypass attachment is provided to prevent damage to the valves of a well tree when fluid at high pressure is passed into a well, such as during a fracturing process. The bypass attachment is formed of a piston rod removably mounted to the well tree and o... | 12/30/1980 |
| 4240437 | Electric massage apparatus and method An apparatus for and a method of treatment of animals, including humans, with a pulsating electrical potential that is applied across electrodes placed on the animals. In a first embodiment the pulsating electrical potential has a first characteristic, in... | 12/23/1980 |
| 4239146 | Collapsible box with two compartments A collapsible box has foldable wall-and-bottom assemblies which are connected to opposite sides of a central partition wall. Each wall-and-bottom assembly includes a main wall, a bottom panel pivoted to the lower edge of the main wall, and foldable sidewa... | 12/16/1980 |
| 4230606 | Polyoxymethylene molding composition containing melamine formaldehyde polycondensate In a molding composition comprising a polyoxymethylene, a melamine formaldehyde polycondensate and an antioxidation agent, the improvement wherein said melamine formaldehyde polycondensate is a finely divided, cross-linked, substantially water insoluble p... | 10/28/1980 |
| 4230991 | Digital frequency process and method using frequency shifting techniques, especially for low frequency measurements A programmable number of pulses N, of one or more auxiliary frequencies fa, is inserted between pulses of the frequency f1 to be processed. The resulting frequency N.f1, where N is a positive number (N can be fractional), is at any m... | 10/28/1980 |
| 4227936 | Process for the production of readily dispersible pigment preparations A process for the production of readily dispersible pigment preparations with a pigment content of more than 65% is disclosed. An aqueous suspension containing 25% to 50% by weight of a pigment is made and kneaded with heating to 60°-70° C. Following ad... | 10/14/1980 |
| 4217774 | Apparatus for measuring the value of a fluid variable Apparatus for measuring the value of a fluid variable comprises a vibrator tube through which the fluid may be passed and which is mounted for clamped-clamped flexural vibration in a holding structure whose stiffness is at least 40% greater than that of t... | 08/19/1980 |
| 4213375 | Firearm safety device A safety devide for firearms is disclosed comprising a projectile absorption means which, when the device is located in operative position on the distal end of a firearm barrel, is held in the path of a discharged projectile to contain the projectile and ... | 07/22/1980 |
| 4208883 | Compressors for heat pumps A compressor for a heat pump using a condensible gas as a working fluid has a lubricant temperature controller comprising a heater for the lubricant in the sump, the heater being controlled by differential pressure responsive means comprising the vapor pr... | 06/24/1980 |
| 4206684 | Hydraulic jack A hydraulic jack suitable for powering a large load such as an elevator or a drawbridge. In a first embodiment the hydraulic jack telescopes at a uniform rate over its entire distance of extension and includes a plunger member telescopingly enclosed withi... | 06/10/1980 |
| 4204637 | Ticket and reading device A ticket reading device for reading a ticket having at least one row of indicia thereon as disclosed including means at a loading station for accepting the ticket and sensing its presence when presented for reading, means for moving the ticket from the lo... | 05/27/1980 |
| 4197488 | Electrical machine An electrical machine having an armature capable of both rotational movement and translational movement and which can be driven by alternating current or by stepwise control pulses. The coil of the machine is divided into two half-coils which are electric... | 04/08/1980 |
| 4195449 | Portable cutting-tool sharpener A portable cutting-tool sharpener comprising a compact housing of the box-type, having a central enlarged portion and two aligned, straight sections extending from the opposite sides of the enlarged portion; two parallel frame plates secured in one of the... | 04/01/1980 |
| 4194239 | Electrical invertor apparatus An electrical invertor circuit comprising a first common electrode and at least two secondary electrodes and means permitting an electric discharge to be established between said first electrode and any one of said second electrodes. A magnetic field is a... | 03/18/1980 |
| 4190632 | Process for treating air-borne (metallic) dusts containing silicon dioxide to form precipitated silicic acids and silicates There is provided a process for treating air-borne dust containing silicon dioxide in order to form a silicic acid or a silicate. The air-borne dust is dissolved in an alkali metal hydroxide solution to form an alkali metal silicate solution. The alkali m... | 02/26/1980 |
| 4188923 | Internal combustion engine fuel feed In a method and apparatus for controlling the fuel feed to a stratified-charge internal combustion engine, from idle up to the position corresponding with the maximum flow of air, the overall richness (rg) of the combustible mixture is reduced ... | 02/19/1980 |
| 4187439 | Analog control of pulse rates Apparatus for providing pulses at a rate limited by an input analog control signal. The analog control signal is compared to a ramp voltage, and an output pulse is generated when the ramp voltage reaches the control voltage level.... | 02/05/1980 |
| 4183152 | Electrical indicating device An electrical indicating device having an animal appearance with indicator lights, incorporated as a part of the features of the animal, to be energized to indicate selection of a right answer from among a number of possible answers. A casing is formed of... | 01/15/1980 |
| 4184045 | System and method for transmission of information Serial transmission of binary information on a two-conductor line is effected by transmitting a periodic signal on one conductor and earthing the other conductor when a binary "0" is to be transmitted, while the periodic signal is transmitted on the other... | 01/15/1980 |
| 4184047 | Audio signal processing system An audio signal processing system for enhancing audio signals such as music by providing reverberation, generation of stereophonic or quadraphonic effects, chorusing, flanging, pitch change, vibrato and various combinations of these effects. An audio sign... | 01/15/1980 |
| 4182039 | Articulator with bite plate guides Procedure and device, through which it is possible to realize a three-dimensional and transparent representation of the crest of each plater mold, and then to displace this representation, while keeping it parallel to its original position, in a direction... | 01/08/1980 |
| 4179095 | Pneumatically operated air lock for air ducts, particularly for air conditioning plants A pneumatically operated air lock, comprising in combination a casing one end of which is connected to an air conveying plant, while the other end is provided with an outlet grid, a choke duct arranged in the casing and having an outlet area coincident wi... | 12/18/1979 |
| 4174578 | Tracked snowplow A tracked snowplow particularly suited for use in very deep snow. A frame is carried on a tracked mover. The frame supports a triangular belt which is made up of a number of chains, stretched about rolls, and a large number of shovels which extend perpend... | 11/20/1979 |
| 4167209 | Boilers A method of disrupting vapor films formed in film boiling in boilers, in which method transient electrical discharges are effected either in the boiler liquid or in a body of liquid in acoustic communication with the boiler liquid. The electrical discharg... | 09/11/1979 |
| 4159606 | Beam and method of making it A beam having flanges composed of wood pieces and a web consisting of a wire member bent alternately back and forth to extend between and being attached to the flanges at the bends. Each flange comprises at least two wood pieces which extend longitudinall... | 07/03/1979 |
