Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 4284103 | Random access valve A control valve which can randomly select any one of a plurality of conduits for controlling the flow to a single output port. The valve is comprised of base plate and a cover or bearing plate, which together form a housing having a cavity. A slider or bl... | 08/18/1981 |
| 4265680 | Method for making hollow magnetic pipe Hollow magnetic pipe having a magnetic field extending across the hollow of the pipe is prepared by a multistep process which includes (a) forming first and second pipe halves from ductile and magnetizable sheet metal, (b) placing the pipe halves in pipel... | 05/05/1981 |
| 4234400 | Horizontal slab gel electrophoresis An improved horizontal slab gel electrophoresis apparatus having compartments for vertical wicks at each end of a removable horizontal trough. Adjacent to the vertical wicks are vertical buffer compartments with built in electrodes. A partition separates ... | 11/18/1980 |
| 4234805 | Circuit and method for paralleling power transistors A circuit and method of paralleling power transistors connected as a Darlington circuit or device for use with electric motor controls. The circuit is comprised of a plurality of Darlington devices having a drive circuit from a motor controller connected ... | 11/18/1980 |
| 4229930 | Flexible link fastener A horse blanket incorporating a flexible link fastener for securing a blanket after it is put on a horse. The blanket has a pair of flanges having eyelets which come together across the chest of the horse in front of the forelegs. The flexible link fasten... | 10/28/1980 |
| 4227516 | Apparatus for electrophysiological stimulation Apparatus for the electrophysiological stimulation of a patient is provided for creating an analgesic condition in the patient to induce sleep, treat psychosomatic disorders, and to aid in the induction of electrohypnosis and altered states of consciousne... | 10/14/1980 |
| 4219924 | Process for installing lock spindle blind rivet A lock spindle blind rivet assembly is provided which is intended to be received in a hole in a workpiece, and which is made up of a sleeve adapted to be received in the hole, a stem having a forward section with an outer diameter slightly less than the i... | 09/02/1980 |
| 4218988 | Amphibious walking vehicle An amphibious walking vehicle having a mobile and stable structure which moves at a constant speed whether the vehicle is on land or on water. In the water the vehicle floats and is driven by a conventional propeller system. However, when on land the vehi... | 08/26/1980 |
| 4217887 | Solar heat collector with interlocking expandable construction A solar heat collector comprised of modular elements which may be easily assembled and disassembled without any special tools. The system is comprised of a plurality of conduits arranged in a planar fashion for collecting solar heat and joined at their en... | 08/19/1980 |
| 4213701 | Lens testing apparatus and method An apparatus and method for measuring the dioptric power, resolving power, and astigmatic power of small lenses, and particularly for testing the acceptability of surgically implantable intraocular lenses. The apparatus is comprised of an optical system w... | 07/22/1980 |
| 4213658 | Tool guide bushing mounting assembly A tool guide bushing mounting assembly comprised of a bushing liner which has a threaded sleeve for a locking screw secured to it with an adhesive. The locking screw sleeve is secured to the liner with a metal carbide epoxy securely positioning the sleeve... | 07/22/1980 |
| 4212652 | Apparatus and system for producing coal gas Apparatus and system for producing high pressure gas, such as high pressure coal gas from coal, air and water. Pulverized coal is introduced into a rising stream of steam in a central reaction column of a retort to constitute a fluidized or entrained bed.... | 07/15/1980 |
| 4201262 | Cooler for chilling a working fluid A cooler for chilling a working fluid used in a manufacturing or production process comprised of a tank having a reservoir in the bottom and one or more cooling coils mounted above the reservoir. A metering plate is inserted in the tank above the cooling ... | 05/06/1980 |
| 4199043 | Lock assembly for shopping cart to prevent its removal from an authorized area A boundary responsive wheel lock assembly for a supermarket shopping cart, or the like, or for any other application where a wheeled device is to be boundary responsive, is provided, to prevent the removal of the cart from an authorized area. The assembly... | 04/22/1980 |
| 4198777 | Fishing tackle box A container for storing fishing tackle that will compactly organize a large assortment of spinners, other lures, and tackle to prevent it from becoming intermixed, tangled, spilled, or blown away while making it easy to deposit, remove, and inventory. The... | 04/22/1980 |
| 4196904 | Board game A board game is provided which involves competition between the players to achieve a particular status level, the first player to achieve the particular status level being the winner. The board has marked squares which constitute a path extending around i... | 04/08/1980 |
| 4193147 | Cantilevered lifting and transporting device A cantilevered lifting and transporting device which may be automatically or manually converted from a chair to a stretcher or vice versa. The lifting and transporting device is comprised of a U-shaped base having a pair of vertical telescoping supports o... | 03/18/1980 |
| 4193546 | High-viscosity volume balancing mixing head A dispensing gun for mixing, then pouring or spraying reactive components, many of which have high viscosity. The gun consists of a material or mixing head or body having a plurality of chambers or canals connecting input ports through passageways and val... | 03/18/1980 |
| 4192319 | Wick catheter pressure sensing probe and method of use This invention relates to a clinical wick catheter and to a technique for measuring tissue fluid pressure and also collecting tissue fluid by the catheter. A catheter tube has a wick positioned in one end which is drawn into place by a monofilament tether... | 03/11/1980 |
| 4192493 | Shock-absorbing line device A shock-absorbing line device comprising a resilient member, preferably in the form of a cylinder, around which a line is spirally wrapped, the two ends of the line passing through respective eyelets at each end of the cylinder. Shock on the line is absor... | 03/11/1980 |
| 4191722 | Method of molding a composite synthetic resin foam roofing structure having an integral skin thereon A synthetic foam roofing system having roofing sections with a relatively broad undersurface and exposed surface configured to resemble interlocked and overlapping roofing shingles. Ridge, valley, hip, starter gable and starter course shingles are all con... | 03/04/1980 |
| 4187566 | Water mattress construction A water mattress construction for a water bed having a foam assembly forming a cavity for surrounding and supporting a water-filled bladder. The foam assembly is formed of several layers of foam having different densities to provide strong support for the... | 02/12/1980 |
| 4182203 | Continuously variable mechanical transmission A continuously variable mechanical transmission comprised of a crankshaft or similar device driven by a suitable power source such as an internal combustion engine, which drives one or more pivotally mounted levers, pushrods and ratchet mechanisms. The le... | 01/08/1980 |
| 4179125 | Level-indicating putter A level-indicating device and the method of placing said device inside the shaft of a golf putter. The device is so placed within the shaft so that when the putter is laid horizontal on the surface of the green the device will indicate the exact slope of ... | 12/18/1979 |
| 4177781 | Electromechanical engine timing device An electromechanical engine timing device for installation in an ignition system distributor having one or more breaker points which provides a visual indication of maladjustments and malfunctions, permitting easy detection and correction. The system is c... | 12/11/1979 |
| 4175702 | Air nucleating spary gun A forced air nucleating jet gun assembly comprised of a nozzle body designed to atomize material at the nozzle for external mixing with a catalyst which is atomized in the handle body of the gun assembly. The nozzle body incorporates passageways for deliv... | 11/27/1979 |
| 4175551 | Electrical massage device A massage device which utilizes the combination of electroneurological stimulation and mechanical massage for medical treatment of pain. The apparatus includes a housing having a massage head formed from a plurality of elongate rollers, connected to the e... | 11/27/1979 |
| 4169436 | Reciprocating machine with refrigerated cooling of intake air A barrel-type reciprocating machine having a block with a shaft journaled through its center with the ends of the shaft offset at an oblique angle. A pair of wobble spiders are attached to the oblique crank end of the shaft and are in turn attached to an ... | 10/02/1979 |
| 4167347 | Writing instrument removable finger grip A removable finger grip adaptable to a wide variety and size of writing instruments. The finger grip is an elongate resilient body having a triangular cross-sectional shape and a cylindrical bore coaxial with the longitudinal axis. In order to accommodate... | 09/11/1979 |
| 4156118 | Audiometric headset An audiometric headset having a transducer mounting and sound insulation system which closely couples the transducer to the ear. The headset is comprised of a pair of domes having a soft foam liner and soft sponge sound-absorbent material surrounding a fl... | 05/22/1979 |
| 4155364 | Urinary catheter A catheter assembly for placement in the bladder and particularly for use in patients with a restricted or traumatized urethra. The catheter assembly comprises a flexible filiform and a flexible follower detachably connected to the end of the filiform. A ... | 05/22/1979 |
| 4153074 | Hydraulic valve A hydraulic valve system particularly adapted for controlling a hydraulically powered elevator. The system involves essentially a bypass valve which selectively bypasses hydraulic fluid from the pump directly back to the tank during the up mode operation,... | 05/08/1979 |
| 4151065 | Horizontal slab gel electrophoresis An improved horizontal slab gel electrophoresis apparatus having compartments for vertical wicks at each end of a removable horizontal trough. Adjacent to the vertical wicks are vertical buffer compartments with built in electrodes. A partition separates ... | 04/24/1979 |
| 4149385 | Well stimulation and systems for recovering geothermal heat The flow from geothermal wells is stimulated by injecting a liquid at selected levels in the well with the liquid having a boiling point below the temperature of the geothermal fluid at the levels of injection at the operating pressure at the levels of in... | 04/17/1979 |
| 4148248 | Hydraulic valve control system A hydraulic valve system particularly adapted for controlling a hydraulically powered elevator. The system involves essentially a bypass valve which selectively bypasses hydraulic fluid from the pump directly back to the tank during the up mode operation,... | 04/10/1979 |
| 4143580 | Lock spindle blind rivet A lock spindle blind rivet assembly is provided which is intended to be received in a hole in a workpiece, and which is made up of a sleeve adapted to be received in the hole, a stem having a forward section with an outer diameter slightly less than the i... | 03/13/1979 |
| 4135408 | Differential pressure measuring transducer assembly A differential pressure transducer assembly which indicates pressure differences while remaining insensitive to variations in line pressure and overload pressure. The assembly has a transducer consisting of a semi-conductor sensor isolated from the medium... | 01/23/1979 |
| 4133155 | Joist structure A joist structure having a configuration useful for constructing concrete-forming structures. The joist is comprised of an upwardly opening channel and an oppositely facing downwardly opening keyhole-shaped channel. The joist is an extruded elongate membe... | 01/09/1979 |
| 4117202 | Solar powered biological fuel cell A solar powered biological fuel cell is provided which is capable of generating a direct electric current in response to incident solar energy. The cell includes a suspension of mesophyll cells isolated from Digitaria sanguinalis (crab grass), malic enzym... | 09/26/1978 |
| 4068684 | Locking ring assembly for the liquid port of a pressure accumulator A locking ring assembly is provided for releasably retaining a tubular valve housing in the liquid port of a bladder-type pressure accumulator without any possibility of the valve housing being blown out from the port when a normal high pressures are atta... | 01/17/1978 |
