Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 4145397 | Process for recovering molybdenum, vanadium, cobalt and nickel from roasted products of used catalysts from hydrotreatment desulfurization of petroleum From roasted products of used catalysts from hydrotreatment desulfurization of petroleum, valuable molybdenum, vanadium, cobalt and nickel are recovered easily and a high percent recovery by means of a combination of simple chemical procedures and also in... | 03/20/1979 |
| 4117193 | Antistatic, low temperature heat sealable polypropylene composite film and process for production thereof There is disclosed a novel composite film prepared by melt extrusion laminating a polymer blend composition comprising a low-crystalline resin of an ethylene-butene copolymer and a polyolefin resin having incorporated therein a lubricant and an anti-block... | 09/26/1978 |
| 4117390 | Double-voltage, automotive-type alternator To provide a-c output at a voltage substantially higher than normal automotive voltage of 12-24 V, for example output voltage in the 80 to 90 V range to operate windshield and other glass pane heaters, a three-phase alternator is star-connected and has tw... | 09/26/1978 |
| 4048849 | Method and apparatus for measuring surface flatness of material Method and apparatus wherein a set of three non-contact gap detectors are arranged at predetermined regular intervals parallel to and in the direction of measurement of the surface flatness of a material, and the gap between the material and each detector... | 09/20/1977 |
| 3992875 | Electronic clock apparatus Six groups of time indicating elements are constituted by combining 10 "minute" indicating elements with two of 12 "hour" indicating elements. One terminal of the time indicating elements in the respective group is commonly connected to a first connecting... | 11/23/1976 |
| 3992077 | Separable electrical connection arrangement To provide a readily separable electrical in-line connection in which mechanical stress on the terminal itself is relieved, one terminal strip or lug, in a flat strip form, is engaged by another terminal lug having a bent-over tab, so that, in cross secti... | 11/16/1976 |
| 3984061 | High-speed yarn traverse apparatus To prevent splatter of oil from a traverse spiral drum upon rapid rotation of the drum in high-speed spooling machines, an oil retention plate is provided extending parallel to the axis of the drum and having an oil wiping edge engaging the surface thereo... | 10/05/1976 |
| 3975927 | Striping apparatus for circular knitting machines A circular knitting machine having a thread guide fixed to the machine is formed with a thread insertion slot, and a plurality of thread guiding eyes holding threads for insertion. A thread entrainment element is located below the thread guide, travelling... | 08/24/1976 |
| 3975055 | Apparatus for milling road surfaces Apparatus and method for milling road surfaces wherein a motor driven rotatable roller, equipped with hard-metal cutters, is moved horizontally relative to the road surface, while support wheels, adjustable by individual screw jacks or hydraulic jacking c... | 08/17/1976 |
| 3974891 | Crawler vehicle A crawler vehicle, e.g. a drill rig, has a main frame that is carried by two crawler assemblies having frames that are journal-mounted to the main frame. A transverse pivotable beam is coupled between the crawler frames by means of journal bearings that a... | 08/17/1976 |
| 3973529 | Reducing noxious components from the exhaust gases of internal combustion engines Control systems in which transition between oxidizing and reducing state of the exhaust gases is sensed, and the input to the engine modified in accordance with sensed exhaust gas composition utilize a sensor which has an output signal having a transition... | 08/10/1976 |
| 3972627 | Apparatus for investigating fast chemical reactions by optical detection An apparatus for investigating the course of fast chemical reactions, which are initiated in a liquid chemical system under investigation by an external perturbation, e.g. a steep temperature rise (temperature jump). The apparatus comprises first and seco... | 08/03/1976 |
| 3972568 | Vehicle brake anti-block system with selective steering, or braking priority A wheel brake anti-lock system comprises a circuit which senses which one of the front wheels turns faster than the other and, in dependence on sensed applied braking fluid pressure, as controlled by the operator, the anti-lock system bases its control ch... | 08/03/1976 |
| 3972636 | Hub-to-shaft coupling To couple a hub having a connecting boss to a shaft, with improved centricity and torque transmission, the hub is formed with a ring groove in the end face leaving a protruding boss surrounding the shaft, in which ring groove a pair of concentric rings ha... | 08/03/1976 |
| 3973123 | Measuring transparency of gases, particularly the optical transmission of internal combustion engine exhaust gases To prevent contamination of confining surfaces of vessels through which a light beam is passed, the attenuation of which is a measure of the optical transparency of exhaust gases from Diesel engines, transparent disks, such as glass disks, are rotated adj... | 08/03/1976 |
| 3972635 | Double conical hub-to-shaft connection To simplify manufacture of double conical hub-to-shaft connections and to improve centricity, a double conical centering ring is located intermediate the connection, formed with a cylindrical groove, so dimensioned that it will entirely receive a radially... | 08/03/1976 |
| 3971313 | Attaching printing stencils to rotary screen printing presses The ends of rotary stencils are attached to an attachment ring which is coupled to a drive element on the printing press by means of a universal joint, in the form of a gimbal, so that mis-alignment of the attachment ring with respect to the drive axis of... | 07/27/1976 |
| 3971977 | Magneto generator supplied battery-less electric power supply system particularly for motor vehicles To supply electrical power to small motor vehicles such as motorcycles, motor scooters, snow-mobiles and the like, which do not have a battery, to energize separate loads such as headlights and tail-lights, a permanent magnet field generator having a plur... | 07/27/1976 |
| 3971383 | Cryogenic surgical instrument To insulate the supply lines to an operating tip of a cryogenic surgical instrument, a coaxial assembly of tubes is provided, the inner one being connected to a supply of cryogenic liquid, such as liquid nitrogen; the space between the outer wall of the i... | 07/27/1976 |
| 3971074 | Shower-bath arrangement A shower-bath arrangement comprising a slideable member which is displaceable on a vertical support member and which is adjustable upwardly and downwardly thereon, the slideable member supporting a shower arm which is provided with shower nozzles. The sli... | 07/27/1976 |
| 3966508 | Treating waste discharge liquids from metal hardening baths, particularly containing nitrite and nitrate compounds To improve recovery of nitrate-nitrite compounds from effluent of nitriding processes, a melt of the nitrate-nitrite salts is prepared and maintained at a temperature above about 400° C; the effluent liquid is introduced into the melt, to evaporate the w... | 06/29/1976 |
| 3966206 | Bowling pin alignment apparatus to uniformly align bowling pins end-for-end A support which can tip to release a bowling pin therefrom and which may be part of a transport mechanism, holds bowling pins in essentially horizontal position. A pair of sensing levers is arranged near the discharge position of the pins from the support... | 06/29/1976 |
| 3967167 | Multiple miniature capacitor A ceramic structural body is formed with a plurality of adjacently located integrally connected ceramic thin wall tubes. The outer surfaces of the tubes are metallized to form one electrode of the capacitor, the inner surfaces of the tubes also being meta... | 06/29/1976 |
| 3962866 | Internal combustion exhaust catalytic reactor monitoring system To supervise operational effectiveness of catalytic reactors included in exhaust emission detoxification systems, an oxygen sensor is located downstream of the reactor to determine oxygen content in the exhaust gases from the internal combustion engine, t... | 06/15/1976 |
| 3963939 | Analyzing gases by testing the optical characteristics of exhaust gases from internal combustion engines To test optical transmissivity of exhaust gases from internal combustion engines without requiring cleaning of confining walls of pipes or tubes, a film of liquid is caused to adhere to the inner surface of a transparent tube or pipe section by rotating t... | 06/15/1976 |
| 3962002 | Method for making comb electrode for electrical recording apparatus A thin sheet of metal is first etched in accordance with similar patterns after exposure through masks, from both sides, to form parallel strips which, preferably, extend to integral connecting elements and may, also, include printed circuit connections o... | 06/08/1976 |
| 3961757 | Method and machine for refining wood chippings, shavings, paper pulp and the like Refining machine for chippings, shavings, paper pulp and the like comprising two grinding discs rotatable relative to one another and each provided with grinding bodies, forming between them a narrow slot-shaped grinding chamber. The grinding discs are so... | 06/08/1976 |
| 3961240 | Testing electrical ignition systems of internal combustion engines A signal representative of an ignition pulse is derived, for example by slipping a transducer over an ignition cable, and the signal is passed through a low path filter to form an average value signal, the maximum intensity, or the timing of the maximum i... | 06/01/1976 |
| 3960692 | Electro-chemical sensor construction To provide for mechanical isolation between the connection to the interior of a solid electrolyte material, such as zirconium dioxide, used in an oxygen ion concentration cell, for example to sense the composition of exhaust gases from an internal combust... | 06/01/1976 |
| 3960129 | Compensated semiconductor ignition system for internal combustion engines To prevent spurious responses of a semiconductor switching element used in triggered magneto-type semiconductor ignition-switching systems, primarily due to noise signals introduced by the magneto, the control circuit for the ignition system includes a co... | 06/01/1976 |
| 3960076 | Rotary screen printing machine with angle and pressure adjustable squeegee An adjustable holder secures the squeegee or doctor blade within the rotary stencil of the machine to swing or rock about an axis which is above, and closely adjacent to the contact line of the screen and the printer's blanket or backing cloth, as support... | 06/01/1976 |
| 3961270 | Apparatus comprising a plurality of separate parts, and control apparatus for producing synchronizing control signals for said separate parts In order to provide respective series of control signals for controlling separate items of apparatus, some of which may be redunant, there are provided a plurality of independently operable signal generators and a plurality of gating circuits connected to... | 06/01/1976 |
| 3958885 | Optical surveying apparatus, such as transit, with artificial light scale illuminating system A light emitting diode is located beneath a glass scale carrier, one for each scale (azimuth and elevation), emitting essentially monochromatic light, which penetrates through the glass scale; the scale is observed through an optical system. The optical s... | 05/25/1976 |
| 3956791 | Bottle washing machine To permit versatile application of a washing machine for bottles of different sizes and shapes, a rotatable frame is located within a vessel, the frame having secured thereto a plurality of bottle holding, or retaining boxes, each adapted to hold one, or ... | 05/18/1976 |
| 3955744 | Pack for packaging fragile articles A pack or container for the storage and transportation of fragile articles such as eggs, light bulbs and the like comprises a laminate consisting of a corrugated band or strip and a covering band secured together to give spaced troughs extending transvers... | 05/11/1976 |
| 3955240 | Multi-position safety lock joint, particularly for folding ladders A freely rotatable disk formed with projections is held in a given position by a spring. The projections and the notches between the projections are selectively engageable by a handle element to deflect the disk, upon operation of the handle element, from... | 05/11/1976 |
| 3954264 | Bowling pin sweeper apparatus for automatic bowling alleys To provide for rapid drop of the bowling pin sweeper for removal of fallen owling pins, without jamming of pins between the sweeper arm, an electromagnetic release such as a magnet operating a sear, triggered, for example, by movement of a bowling ball tow... | 05/04/1976 |
| 3949722 | Semiconductor controlled ignition systems for internal combustion engines To improve the operation of semiconductor control ignition systems under widely varying supply voltage conditions, a voltage divider having a division tap point is connected in parallel to the main switching part of the switching transistor of the ignitio... | 04/13/1976 |
| 3949401 | Frequency identification circuit for broadcast traffic information reception systems Frequencies which respectively identify a particular transmitter, and a particular program content, and which are in a very low frequency range (from between 20 to 125 kHz can be recognized, and ditigal output control signals derived representative of whe... | 04/06/1976 |
| 3946377 | Method and apparatus to monitor conduction of sonic waves in an acoustically conductive medium To detect breakage of glass panes, panels of display cases, or movement in a room, ultrasonic waves, preferably in the order of from 120 kHz to 180 kHz, are transmitted to the sonically conductive medium (glass panes, plastic sheets, or into the air of th... | 03/23/1976 |