Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 4899489 | Device for growing plants The device comprises a hermetically sealed chamber (1) whose interior space accommodates a perforated band (3) held to a drive drum (2). Part of the chamber (1) is made as a flexible tubing (4) one end of which is connected to the free end of the perforat... | 02/13/1990 |
| 4195569 | Device for the circumferential adjustment of a form cylinder An arrangement for adjusting the rotational phase angle of the form cylinder of a printing machine to obtain proper image registration, for example for multicolor printing operations. Adjustment is accomplished by a toothed ring which can be rotationally ... | 04/01/1980 |
| 4073846 | Reduction-reoxidation type semiconducting ceramic capacitor An improved reduction-reoxidation type semiconducting ceramic capacitor and the method for producing the same are disclosed. The main components of the substrate of the capacitor are CaTiO3, SrTiO3 and Bi2 O3 .m... | 02/14/1978 |
| 4031280 | Method and apparatus for coloring a pile fabric, and a pile fabric produced thereby In a process and apparatus for coloring a pile fabric, liquid coloring material is introduced into compartments, and the pile fabric is pressed face downwardly into the compartments. In order to provide regions wherein different colors are distinct from o... | 06/21/1977 |
| 4031337 | Loudspeaker A loudspeaker consisting of a driver or motor unit consisting of a cylindrical magnet structure, a voice coil and a domed diaphragm; an enclosure unit for receiving therein the driver or motor unit; and a horn unit attached mechanically to the opened end ... | 06/21/1977 |
| 4028870 | Method and device for preventing creation of fuzzy fibers of yarn during twisting operation of the multiple twister In a multiple twister provided with at least a first twisting mechanism and a second twisting mechanism successively arranged, when a yarn supplied from a yarn package held in said multiple twister contacts component elements of the twister, there is a te... | 06/14/1977 |
| 4028926 | Handling device for slipping tubes on the mandrel of bending machines A device for slipping a tube on the mandrel of a bending machine includes a support upon which a pair of slides are slidably mounted for movement in a direction parallel to the axis of the mandrel. A double arm lever is pivotally mounted to each slide, ab... | 06/14/1977 |
| 4027230 | Electronic multi-channel selection switch with common new-selection sensing device Electronic switches are used for switching the fine-tuning variable resistors in the electronic tuners of television receivers or stereophonic systems, and consist of a number of thyristors with P- and N-gates connected in parallel. The cathodes of the th... | 05/31/1977 |
| 4026927 | Novel prostaglandin derivatives Novel prostaglandin derivatives are provided having the formula: ##STR1## wherein A represents ##STR2## one of R3 and R4 represents a hydrogen atom and the other of them represents a lower alkyl group; one of R5 ... | 05/31/1977 |
| 4025877 | Multi-stage astable multivibrator A multi-stage astable multivibrator wherein a plurality of astable multivibrators each consisting of two transistors are connected in parallel so that a high output may be derived and a completely rectangular output waveform may be obtained. Diodes are co... | 05/24/1977 |
| 4025437 | Rotary filter apparatus having slurry agitator A rotary filter apparatus includes a tank for containing a slurry to be filtered. A rotary drum is mounted for rotation about a horizontal axis. The drum has a filter surface which extends into the slurry, so that the filtrate may be withdrawn from the in... | 05/24/1977 |
| 4024068 | Process for separating ceramics of uranium and plutonium from zirconium by hydriding and mixtures thereof A process is provided involving the use of hydrogen for the separation of uranium and plutonium and mixtures thereof, from composite substances and assemblies or mixtures containing metallic and ceramic components where the metallic component is zirconium... | 05/17/1977 |
| 4023276 | Diagnostic scale for interpretation of electrocardiogram A diagnostic scale for interpretation of an electrocardiogram composed of a fixed diagnostic scale having formed two sections on the surface thereof, one section displays the interrogation items concerning various parameters of the electrocardiogram, and ... | 05/17/1977 |
| 4023338 | Method and apparatus for doffing full packaged bobbins in a fly frame This invention is applicable for carrying out the doffing operation of several types of fly frames such as a fly frame provided with an upper rail having a plurality of flyers in suspended condition and a mechanism for driving these flyers therein, and a ... | 05/17/1977 |
| 4021826 | Camera control device In response to the film drive control pulse signal generated when the shutter is closed, a switching circuit is turned ON to energize a film driving motor. When the film has been transported by a predetermined length, another control signal is generated t... | 05/03/1977 |
| 4021434 | Sodium ଲ-[2,6-dimethyl-3,5-bis(ethoxycarbonyl)-4-(3-nitrophenyl)-1,4-dihyd ropyridine-1-yl]ethyl sulfate Novel 1-substituted-1, 4-dihydropyridine derivatives, particularly diethyl 1-ethoxymethyl-4-(3-nitrophenyl)-2, 6-dimethyl-1, 4-dihydropyridine-3,5-dicarboxylate are provided. The novel derivatives have cerebral vascular dilator activity with low toxicity.... | 05/03/1977 |
| 4020420 | Electronic channel selector The invention discloses an electronic channel selector which comprises a plurality of variable resistors, a plurality of switches connected to the variable resistors, respectively, and a voltage memory circuit. When one of the switches is closed, the outp... | 04/26/1977 |
| 4019764 | Clamping device adapted to clamp plate-like members A clamping device especially adapted to detachably and easily clamp plate-like members such as corrugated cardboard. The clamping device comprises two clamping members with a U-shaped channel for receiving therein the plate-like members to be clamped, a f... | 04/26/1977 |
| 4020242 | Primary-cells In a primary-cell of the type in which a cathode or anode increases its apparent volume as the discharge proceeds, thereby absorbing the electrolyte, at least between a cell enclosure which serves as one of the terminals of the primary-cell or top closure... | 04/26/1977 |
| 4018818 | Hydroxyl-substituted 2-chloro--(tert-butylaminomethyl)-benzylalcohols Hydroxyl-substituted-2-chloro--(Tert-butylaminomethyl)-benzylalcohol s of the formula: ##STR1## and process for their production are disclosed. These compounds are useful as bronchodilators.... | 04/19/1977 |
| 4018149 | Press for production of a dry fodder A press for dry fodder comprising a cylindrical matrix which is provided with a radially extending flange extending at right angles to the rotational axis of said matrix and an annular circumferential stepped portion on said matrix in which rotates at lea... | 04/19/1977 |
| 4017872 | Shutter for camera The invention discloses a shutter for a camera of the type comprising a light control mechanism which comprises a plurality of shutter blades, which may also function as the aperture control diaphragm, and driving means such as a stepping motor for interm... | 04/12/1977 |
| 4017620 | Thienodiazepine derivatives There is disclosed new thienodiazepine derivatives of the general formula: ##STR1## wherein R1 represents a carboxyl group which may be esterified or amidated; each of R2 and R3 represents hydrogen atom or a lower alk... | 04/12/1977 |
| 4017530 | Phenoxy substituted thiolcarboxylic acid amino acid substituted esters This invention concerns novel thiolesters of the formula wherein Ph is an aryl group which may be substituted; R is an organic radical other than a phenol or a mercaptan group; R' is hydrogen or a hydrocarbon radical, preferably an aliphatic group; R" is an aliphatic, c... | 04/12/1977 |
| 4017787 | Switching regulator having a load responsive alternate biasing circuit The invention discloses a switching regulator for use in a power supply system for an electric computer. The input from a DC or AC power supply is converted into the high frequency pulses, stepped up or down in voltage and rectified into the DC output to ... | 04/12/1977 |
| 4016574 | Program-controlled shutter The invention discloses a program-controlled shutter wherein, depending upon the brightness of a subject, a suitable f-number and a suitable exposure time are determined by a plurality of shutter blades which are driven stepwise by a stepping motor in res... | 04/05/1977 |
| 4016475 | DC to DC converter A DC to DC converter includes a push pull oscillating circuit having a pair of active components, the anodes of which are connected to each end terminal of the primary winding of a saturable inverter transformer. A secondary winding of the saturable inver... | 04/05/1977 |
| 4013773 | Solid composition A single phase solid composition wherein one part of a non-aqueous liquid and 0.5-6 parts of calcium lactate hydrate are mixed and heated. The product according to this invention is very stable and can be formed into various kinds of moldings by a simple ... | 03/22/1977 |
| 4013588 | Oxidation catalyst for removal of nitrogen monoxide in exhaust gas The oxidation catalyst of this application is prepared by grinding and heat treating the tuff consisting essentially of SiO2, Al2 O3 and H2 O, and containing a total of 1 to 10% by weight of an alkaline metal ox... | 03/22/1977 |
| 4010794 | Method of casting an article having a body cavity In a die casting technique, a first element is die cast with a cavity formed by a core, the first element having an interlocking surface such as a projection or shaped aperture. The core is then removed, and a second element is cast to extend into alignme... | 03/08/1977 |
| 4010697 | Shelf bracket assembly and bracket for said assembly A shelf bracket assembly includes a bracket having a plate and a pair of flanges defining three orthogonal mounting surfaces. A clamp assembly is slidably mounted on one of the flanges, for clamping a shelf to the top of the other flange. A shelf extends ... | 03/08/1977 |
| 4010601 | Method for manufacturing a fancy textured yarn provided with slubs A method for manufacturing a fancy textured yarn provided with slubs. In this manufacturing method, at least one thermoplastic multifilament yarn A is supplied to a twisting zone of a false twisting apparatus provided with a heater disposed at an upstream... | 03/08/1977 |
| 4011151 | Process for purifying waste water by electrolysis A process for purifying waste water by electrolysis in two steps is disclosed. In the first step, the electrolysis is effected by dipping an iron anode and a carbon cathode in the waste water having a pH of about 7 to be purified until a pH of 11 is reach... | 03/08/1977 |
| 4011588 | Rotary head type magnetic tape video recording-reproducing device In a rotary head type magnetic tape video recording-reproducing device of the type in which a magnetic tape from a supply reel is wrapped around a rotary drum carrying magnetic heads along the path of revolution thereof at an angle other than 0° relative... | 03/08/1977 |
| 4010382 | Push-button type pulse generating switch The present invention discloses a mechanical pushbutton type pulse generating switch for use in a telephone set comprising, in general, pulse generating switch units, a push-break return-make switch unit, and an end pulse generating switch unit. The pulse... | 03/01/1977 |
| 4009866 | Exposure control device In an exposure control device of the type comprising exposure means including a plurality of shutter blades which also function as the aperture setting blades, and a step-motor drivingly coupled to said shutter blades for causing them to open and close st... | 03/01/1977 |
| 4009674 | Method of stacking rolls This invention relates to a method and apparatus for handling tape, such as knit or woven tape employed in the manufacture of zippers, and is more particularly directed to an improved apparatus and method for reeling and dereeling tape.... | 03/01/1977 |
| 4007524 | Cast articulated tool An articulated cutting tool, such as scissors, is formed by casting a first element with a pivot region, and casting a second element using the pivot region of the first element as the mold for the pivot region of the second element. The pivot regions of ... | 02/15/1977 |
| 4006517 | Stuffer box crimping apparatus A stuffer box crimping apparatus for thermoplastic filamentary tow which comprises a pair of a cylindrical parallel nipping rollers forming a nip therebetween, a stuffer box and a pair of cheek members arranged in contact with outer lateral side surface o... | 02/08/1977 |
| 4006864 | Method and apparatus for carrying out doffing and donning operation An improved method and apparatus for carrying out the doffing and donning operation of a spinning machine such as an open-end spinning machine. A suction nozzle is carried along the lengthwise direction of the spinning machine at a position before and abo... | 02/08/1977 |
