Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 5241934 | Liquid-cooled internal combustion engine A liquid-cooled internal combustion engine having a piston-controlled exhaust, particularly a two-stroke cycle internal combustion engine, is provided with a generator or a magneto-generator unit and with a lubricating oil pump. The cylinder head is provi... | 09/07/1993 |
| 5164550 | Intake muffler An intake muffler, which is particularly intended for use in two-stroke-cycle internal combustion engines, comprises a stiff housing, in which a partition defines two chambers. An inlet tube extends into the larger first chambr. At least two communicating... | 11/17/1992 |
| 5156004 | Composite semiconductive thermoelectric refrigerating device A composite semiconductive thermoelectric refrigerating module comprises dozens or hundreds composite P-N couples which are electrically connected in series to form an array of required configuration which is fixed with electrical and thermal insulator an... | 10/20/1992 |
| 5133160 | Process for the removal of specific crystal structures defects from semiconductor discs The invention relates to an improved method for removing point defects and oint defect clusters from semiconductor discs, which defects impair the quality of electronic components or structural elements made from such discs. According to the invention, pri... | 07/28/1992 |
| 5127333 | Track maintenance machine for compacting ballast A continuously advancing track maintenance machine for compacting ballast comprises a self-propelled machine frame supported on the track for continuous advancement, a power-driven and vertically adjustable track stabilization assembly mounted on the mach... | 07/07/1992 |
| 5125355 | Float A float includes a substantially prismatic hollow body, which is made of plastic and which is provided at its side walls, preferably adjacent to its side edges, with connectors for use in assembling a plurality of such floats. In order to reduce the manuf... | 06/30/1992 |
| 5124745 | Apparatus for the production of printing plates In the context of a device for the production of printing plates comprising a printing down station with a plate table and an associated illuminating means, which station has associated with it a foil receiving means formed preferably by a foil cassette f... | 06/23/1992 |
| 5120431 | Pneumatic centrifugal separator A pneumatic centrifugal separator comprises guide vanes disposed along the generatrices of a fictitious cylinder having a vertical axis, the guide vanes being adapted to impart to a gas stream entering the fictitious cylinder a rotary motion about the ver... | 06/09/1992 |
| 5119069 | Apparatus and method for locating boundaries of detection zones covered by a passive infrared detection system An audio indicator apparatus for locating boundaries of optically divided detection zones covered by a passive infrared detection system having a collector for collecting infrared rays from the zones of an area to be monitored, and a detector for passivel... | 06/02/1992 |
| 5116635 | Process for controlling the furnace temperature in a manufacture of honeycomb structures treated with phenolic resin A process is disclosed for controlling the furnace temperature in a manufacture of phenolic resin-treated honeycomb structures from paper webs. The phenolic resin-treated honeycomb structures from the paper webs are, preferably, glued together and shaped ... | 05/26/1992 |
| 5116453 | Strapping apparatus for a packaging strap A thermoplastic tape is wrapped around a package and is tightened by the disclosed strapping or banding apparatus. The ends of the plastic tape can be welded together by a combined strapping and sealing apparatus or even with a separate sealing apparatus.... | 05/26/1992 |
| 5116045 | Sports mat, notably a movable judo mat The invention relates to a sports mat, especially a judo mat, of an elastic foam-like material (4) and possibly a sheath (7). According to the invention, the elastic foam-like material (4) is arranged on a stiff approximately circular plate (3) which has ... | 05/26/1992 |
| 5115575 | Automated method for the cyclic operation of a centrifugal drier A method for the automatic operation of a centrifugal drier comprising a rotary cylindrical screening basket and which is operated cyclically in successive cycles whose rhythm is a function of the flow of the product to be dried and each of which includes... | 05/26/1992 |
| 5115573 | Incremental length measuring system An incremental length measuring system comprises a scale member, which is provided with a measuring scale, a scanning unit having scanning elements for scanning the scale and for generating measured-value signals in response to the scanning of the scale, ... | 05/26/1992 |
| 5116786 | Low temperature sealing glass composition A low temperature sealing glass composition comprises a glass powder comprising 20 to 55 wt. % of PbO, 20 to 55 wt. % of V2 O5, 5 to 40 wt. % of TeO2, and 0 to 8 wt. % of Al2 O3 or (i) 50 to 80 vol. %... | 05/26/1992 |
| 5113767 | Continuous action ballast compacting machine A continuously advancing track working machine for compacting ballast comprises a self-propelled machine frame supported by undercarriages on the track for mobility in an operating direction and a track stabilization assembly vertically adjustably mounted... | 05/19/1992 |
| 5113563 | Apparatus for needling a web It is desired to use different needle pitches in the operation of an apparatus for needling a web without a need for replacing the needle board, the stripper and the optionally perforate backing. This is accomplished in that the holes provided in the need... | 05/19/1992 |
| 5113552 | Fastening strap A releasable fastening element for tying, bundling and fastening articles having at least one head element, including a longitudinally extending shaft with a leg extending from one end thereof to form a hook for engaging the material to be bound. The fast... | 05/19/1992 |
| 5113817 | Piston with specific land characteristics A piston for an internal combustion engine with a separate head and skirt which are joined by a piston pin. The ring belt extends downward from head and terminates above the pin. The space between the lower edge of the ring belt and a section of the head ... | 05/19/1992 |
| 5114119 | Method for laying a catenary and/or a contact wire of an overhead line A self-propelled machine for continuously laying an overhead line extending above a track and attached to pylons spaced alongside the track, which comprises machine frame movable along the track in an operating direction, a power-driven, vertically and la... | 05/19/1992 |
| 5111749 | Apparatus for placing a carriage on a track An apparatus for placing a carriage linked to a frame of a track working machine on a track comprises a rail sensing element mounted on the carriage for sensing a respective track rail, the rail sensing element being positioned in the radial plane of the ... | 05/12/1992 |
| 5110635 | Reusable wreath A reusable wreath which allows easy attachment and detachment of accessories. A strip of VELCRO.RTM. is wound around the wreath base to permit easy arrangement and adjustment of accessories.... | 05/05/1992 |
| 5110428 | Process and apparatus for double-sided chemomechanical polishing of semiconductor wafers and semiconductor wafers obtainable thereby Semiconductor wafers, in particular, silicon wafers, with differently poled front and rear sides and high geometrical quality can be fabricated by double-sided polishing if the wafer surfaces are differently polarized during the polishing process. This c... | 05/05/1992 |
| 5107622 | Sealing for containers, in particular for refrigerated containers A seal for a container, in particular, a refrigerated container having a door or two wings of the door, and having a door jamb having a corner zone comprising: (a) a strand shaped outer sealing profile made of elastomeric material; (b) the door having an outer... | 04/28/1992 |
| 5106791 | Sintered microcrystalline ceramic material Sintered microcrystalline ceramic material based on -Al2 O3 with an addition of 0.01 to 2.0 weight percent of a cerium compound, consisting of a microcrystalline matrix and 0.1 to 30 volume percent whisker-like needles, whereb... | 04/21/1992 |
| 5106062 | Modular apparatus for producing metal alloys in semi-liquid or paste-like state Apparatus for producing metal alloys in semi-liquid or paste-like state, constituted by a plurality of modular elements (1a--1b--1c, and so forth), each of which is formed by an elongated hollow body with two mutually opposite open faces, transversely to ... | 04/21/1992 |
| 5105522 | Process of manufacturing a friction ring provided with a sinter-bonded friction facing To make a friction ring which is intended to be used in clutches or brakes and has a sinter-bonded friction facing, an annular blank is blanked from flat sheet metal and is provided with a sinter-bonded friction facing. Thereafter the blank provided with ... | 04/21/1992 |
| 5106608 | Magnesium oxide in fine powder form and its use A magnesium oxide in fine powder form, which can be used to manufacture high-density ceramics, has an MgO content greater than 95 wt. %, preferably greater than 98 wt. %, a particle size less than 15 μm, and a BET specific surface area less than 20 m | 04/21/1992 |
| 5104696 | Process and device for intermittenly spraying a pasty composition In a process for intermittently spraying a setting pasty composition mixed with a tempering liquid, in particular for building up refractory linings of metallurgical vessels, the composition is conveyed from a preparing station (6) at which it is prepared... | 04/14/1992 |
| 5104468 | Method of producing a molded connection piece and method for joining tube with molded connection piece There is provided a molded connection piece and a method of making the same, in particular a boring saddle made of thermoplastic material and having a heating wire capable of conducting an electric current for producing a welded joint between the molded c... | 04/14/1992 |
| 5104452 | Method for metering monocalcium saccharate into a sugared juice There is provided a method of metering monocalcium saccharate into a sugared juice. The process includes taking a sample of the juice to be analyzed, diluting the sample with alcohol in order to form a precipitate, separating the precipitate by filtration... | 04/14/1992 |
| 5104255 | Barriers for lane dividers, curbs or construction sites A barrier is comprised of a plurality of hollow shaped bodies of plastic material and each shaped body comprises a wide base portion having a bearing face supporting the shaped body on a surface and a narrower upper portion, the wide base and narrower upp... | 04/14/1992 |
| 5104159 | Threadless coupling for pipes and an air-tight inner cylinder therefor A threadless coupling for pipes has a cylindrical coupling body having longitudinally-extending slots or sections along the entire length thereof, a pair of grip sections forming grooves facing oppositely from each other on the outside of the edges of bot... | 04/14/1992 |
| 5103964 | Housing part for a work station of an assembly line An installation for processing or assembling components, which comprises a succession of transport and work stations. Each station comprises a housing member including a lower base frame and an upper base frame, at least one of the housing members support... | 04/14/1992 |
| 5104666 | Single-dose espresso maker for infusions in general to be disposed after use The present invention consists of a single-dose espresso maker for preparing infusions in general, to be disposed of after being used. It consists of two glass-shaped containers, one of which contains water to be heated and the other of which, equipped wi... | 04/14/1992 |
| 5101733 | Ballast tamping machine with flexible ballast conveying tubes mounted on the carrier frame of the tamping heads to place ballast at tamping tools A ballast tamping machine comprises a tamping head comprising pairs of vibratory tamping tools immersible in the ballast and reciprocable in the operating direction and opposite thereto for tamping ballast under the ties, a track lifting and lining unit p... | 04/07/1992 |
| 5101584 | Mobile ballast regulator A mobile ballast regulator comprises an elongated machine frame supported by undercarriages on the track, a ballast plow connected to the machine frame, a ballast storage container mounted on the machine frame, and a carrier frame which has a front end li... | 04/07/1992 |
| 5101606 | Structure A structure comprises uprights and connecting beams as well as wall panels and vertically spaced apart horizontal partitions inserted between said uprights and beams. To permit the structure to be assembled and disassembled without a need for tools, the w... | 04/07/1992 |
| 5101437 | Method and apparatus for comparing a test handwritten signature with a reference signature by using information relative to curvilinear and angular velocities of the signature Apparatus and method for comparing a test handwriting signature with a reference signature where each of the test and reference signatures have been acquired by generating three electrical digital position signals characterizing a trajectory of a handwrit... | 03/31/1992 |
| 5099625 | Partition wall for openings in building shells, forming fire proof sections Process for fitting partititon walls or ceilings to openings in building shells, forming fireproof sections, using fireproofing cushions (12), removable from the openings. Said process is characterized by the fact that square or cuboid fireproofing cushio... | 03/31/1992 |
