Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 4290724 | Conveyor pan immobilizing assembly A pair of conveyor pan immobilizing subassemblies are disclosed for engaging the opposite sides of a conveyor pan to stabilize the pan in a first direction transverse to the conveyed direction of the pan. In one embodiment, each subassembly is comprised o... | 09/22/1981 |
| 4282953 | Emergency overspeed brake An emergency overspeed brake is depicted which is mountable onto a shaft rotatable at low speeds in either direction for stopping the shaft when an overspeed condition is obtained. In one embodiment of the invention, the brake features two pawls mounted f... | 08/11/1981 |
| 4274226 | Detection of object in path of moving gate Electromagnetic radiation object position detection system and method are disclosed for detecting when an object is located in the path of a powered sliding gate. In a preferred embodiment, polarized microwave radiation is emitted from a source fixed rela... | 06/23/1981 |
| 4263755 | Abrasive product An abrasive sheet is disclosed which can be hand held or used with known abrasive devices, has longer abrasive life than existing abrasive sheets and has a novel attachment arrangement onto an abrasive support member. The abrasive sheet has abrasive mater... | 04/28/1981 |
| 4257719 | Underwater pipelines A method of recovering an underwater pipe comprises inserting a recovery line attachment into the pipe, explosively deforming the pipe so that it is mechanically secured to the attachment, and bringing the pipe to the surface by means of a lifting line se... | 03/24/1981 |
| 4254377 | Method for sensing electrical potentials A sensor and method are disclosed for measuring electrokinetic effects across a double layer formed at the boundary between a solid wall and an ionic liquid flowing through a channel. In one embodiment, a passive electrode is located in a cavity forming a... | 03/03/1981 |
| 4237939 | Stackable tube body having a layer of sealant material A stackable tapered tube body has an annular inwardly directed bead or corrugation in the region of the sealant layer. This provides that the tube bodies do not touch each other directly and that in particular the sealant layer is protected when tube bodi... | 12/09/1980 |
| 4237729 | Doppler flow meter A catheter probe flow meter and method of determining the volume flow of a fluid through a conduit, at least one of the fluid and the conduit having energy-scattering interfaces. The method in one embodiment includes trasmitting at least two and receiving... | 12/09/1980 |
| 4230310 | Compressible holding member Holding members for engaging the corners of base plates of nail plates while wooden beams are force down on the upwardly projecting nails to form a truss are made of resilient plastics material of about the same thickness as the base plate and provided wi... | 10/28/1980 |
| 4231095 | Remote reproduction of images An image represented by samples No,o, N2,o, . . . , N2p,o, . . . , No,2, . . . , No,2q, . . . , N2p,2q, . . . , distributed over a two-dimensional pattern and each represented by a quantifi... | 10/28/1980 |
| 4224624 | Detection of properly positioned movable objects Electromagnetic radiation position detection system and method are disclosed for detecting when a movable object is located at a predetermined position. In a preferred embodiment, polarized microwave radiation emitted from a source fixed relative to the m... | 09/23/1980 |
| 4221680 | Treatment of substances A process and apparatus are disclosed for the treatment of a substance contained in a solution or a slurry. The solution or slurry can be treated to give a fusible dried product by use of microwave radiation. The fusible dried product can be heated and fused b... | 09/09/1980 |
| 4212739 | Disposable filter canister and housing A filter assembly is provided for fitting to an aperture in the wall of an oil tank of a hydraulic system with a disposable filter canister positioned substantially within the tank. The canister comprises a shell having an end wall and a generally cylindr... | 07/15/1980 |
| 4208460 | Process for producing paper having a coating of pressure-sensitive transfer copying material A process is described for continuously producing paper having a coating of dyestuff donor mass for reaction with a dyestuff acceptor mass. A web of the paper passes between a printing block surrounding a roller and a donor mass transfer roller whereby th... | 06/17/1980 |
| 4205328 | Apparatus for controlling a power source for an electrical alarm or indicator A key holding member of elongated shape having a rod of permanent magnet embedded therein or a sheet of permanent magnet adhered thereto, which, when put into its corresponding opening for receiving the key holding member in the key box provided at the fr... | 05/27/1980 |
| 4192002 | Apparatus and methods for position determining and plotting Apparatus and methods are disclosed wherein the relative location of a point of position is mathematically determined based solely on knowledge of the included angles defined by an observation point and three non-colinear reference points, and of the dist... | 03/04/1980 |
| 4189918 | Devices for extracting energy from wave power The invention provides a device for extracting energy from waves on a liquid upon which the device is adapted to float. The device is allowed to move in response to the waves, and has a shape below the surface of the liquid, position of center of gravity,... | 02/26/1980 |
| 4188157 | Marine structure An offshore structure is provided for handling cryogenic fluids such as liquefied natural gas. The structure comprises a lower section of concrete and an upper section which projects up from the lower section above the sea level to support a deck superstr... | 02/12/1980 |
| 4176659 | Catheter with measurement electrodes A catheter is provided which comprises a tubular body that defines a passage therewithin terminating in an axially-facing opening at the tip end of the catheter, the opening serving as a sampling port. A pair of annular electrodes are arranged in spaced r... | 12/04/1979 |
| 4175768 | Collapsible trailers A collapsible road trailer comprising a central beam to which side members of the base are hinged has a tow bar which forms a sliding fit within the central beam and is locked in position by members operated by the folding down of the sides of the base. T... | 11/27/1979 |
| 4173279 | Fluid metering and transfer system A fluid metering and transfer system is disclosed in which, in a preferred embodiment, a fluid contained in a reservoir is transferred in small amounts by a dipper wire to a conduit extending through the bottom of the reservoir. The fluid is then distribu... | 11/06/1979 |
| 4171670 | Overhead rail transportation systems A rail having an upper supporting edge and a lower braking edge, and a traction unit for riding on the rail and adapted to be connected to a carrier so as to suspend the carrier from the rail. This traction unit has a power-driven wheel to ride on the rai... | 10/23/1979 |
| 4165113 | Multicellular elastomeric shock-absorbing device A shock-absorbing device, such as a vehicle fender, comprises an assembly of interconnected elastomeric cells. The cells are arranged to extend at right angles to the forces to be absorbed and have a polygonal cross-section. The cells are formed so that, ... | 08/21/1979 |
| 4164049 | Vacuum-type water removal system for houses, factories, ships and the like A vacuum-type water removal system for buildings, factories, ships and the like is provided wherein waste water collection devices, such as sanitary facilities (e.g., toilets) and other waste producing/or collecting devices, are connected through a cut-of... | 08/14/1979 |
| 4161882 | Temperature-dependent actuating mechanisms Temperature dependent actuating mechanism comprising a temperature responsive sensor including a variable volume chamber in fluid communication with a chamber in an actuator containing a variable volume member connected with an operating member; the senso... | 07/24/1979 |
| 4160230 | Acoustic antenna An acoustic antenna comprises a support, an acoustic reflector supported by the support and a plurality of acoustic/electrical transducers arranged forwardly of said acoustic reflector to cooperate with the reflector. The acoustic/electrical transducers a... | 07/03/1979 |
| 4158430 | Gravity operated flag indicator device for mailboxes A gravity operation flag indicator device for a mailbox is provided which includes a simple latching mechanism operable responsive to opening and closing of the door of the mailbox. The device includes a flag indicator which is pivotably mounted in a side... | 06/19/1979 |
| 4157079 | Internal combustion engine and operating cycle A pair of cylindrical rotor are mounted for rotation within a stator and the rotor includes a plurality of cylindrical bores annularly around each axis thereof and parallel to the stator bore. Pistons reciprocate within these bores and connecting rods or ... | 06/05/1979 |
| 4156324 | Method and apparatus for artificial irrigation of flower beds and garden plots etc. A method and apparatus are provided for the artificial irrigation of plants and flower beds, garden plots, plant containers, and the like, whether indoors or outdoors. The irrigation containers are provided at spaced locations and at desired depths in the... | 05/29/1979 |
| 4155851 | Vacuum drainage system A vacuum drain system including a collecting tank and a sewage drain vacuum conduit line for conveying sewage from service connections to the collecting tank under the influence of vacuum in the system. Each service connection for admitting sewage include... | 05/22/1979 |
| 4148178 | Devices for determining the helix angle of twisted threads during false-twist texturing Devices are described for determining the helix angle of twisted threads during false-twist texturing. The thread passes over a convex spherical surface at the top of a two-armed lever pivoted between the arms and having a vertical zero position. Magnetic... | 04/10/1979 |
| 4148216 | Apparatus for determining the viscous behavior of a liquid during coagulation thereof A thromboelastographic apparatus comprises a body suspended to a resilient tape and immersed in operation in a liquid to be studied. The liquid is received in a receptacle which is oscillated about the axis of the tape with a predetermined frequency and a... | 04/10/1979 |
| 4147348 | Tennis racket providing increased hitting power An improved racket is provided for use in tennis and the like which is believed to enable a user to hit with more power while reducing the torsional forces on the arm. The racket of the invention includes a handle having a bent or offset portion which is ... | 04/03/1979 |
| 4142425 | Multiple speed double planetary gear transmission A multiple speed gear transmission includes a pair of planetary gear arrangements connected in series, the output of the first connected to the input of the second. Each such planetary gear arrangement includes on the shafts of its planets, at least two d... | 03/06/1979 |
| 4141670 | Device for extracting energy from water waves A device for extracting energy from water waves comprises high-level and low-level reservoirs with non-return valves for permitting water from wave crests to enter the high-level reservoir (but not return) and for permitting water from the low-level reser... | 02/27/1979 |
| 4141353 | Warning arrangement for breathing apparatus for divers A warning valve arrangement is provided in a breathing apparatus for divers. The breathing apparatus includes a breathing circuit which functions as a closed circuit during a rebreathing phase and a dosing or supply bottle which is alternately connected t... | 02/27/1979 |
| 4140951 | Mining machine A mining machine includes drive unit means for driving a haulage winch and a cutting tool of the machine, the drive unit means comprising a multi-phase induction motor with a wound rotor. In order to control the motor speed, the motor is provided with a c... | 02/20/1979 |
| 4139984 | Device for deriving power from wave energy A device for extracting energy from wave energy and comprising a plurality of chambers adapted for pressurizing and discharging a working gas, means for collecting the pressurized working gas, and a mechanical device such as an air turbine to which the co... | 02/20/1979 |
| 4140059 | Safety device for projectiles A safety device for a projectile is provided which includes a charge adapted to function as either an ignition charge or as a booster and relay charge. The charge comprises at least two components each of which comprises solid particles. These solid parti... | 02/20/1979 |
| 4139586 | Method of forming articles from thermoplastics sheet by free-blowing A method of forming articles from thermoplastics sheet by free-blowing, without use of moulds, in which the sheet is pre-heated to elastic state, free-blown by establishing a differential fluid pressure between opposite faces of the sheet and maintained a... | 02/13/1979 |
