Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 4832552 | Method and apparatus for rotary power driven swivel drilling The power drive system of the present invention provides a rotary drive swivel unit which can be tilted along its horizontal pivotal axis until its output shaft is substantially horizontal. A drill pipe provided in a substantially horizontal bed adjacent ... | 05/23/1989 |
| 4796696 | Device for heating or cooling infusion fluids or injectable fluids Device for heating or cooling infusion fluids or injectable fluids comprising a heat exchanger in the form of a hollow cylindrical or truncated, conical, double cased pot, open at the top; the outer wall being higher than the inner wall of the double casi... | 01/10/1989 |
| 4776780 | Device for repair of cracked windshields A shatterproof windshield repair device comprising a housing and a diaphragm. Under vacuum, air passages between the diaphragm and the glass surface form part of a first enclosure which can be evacuated and thus the device is held in place around conical ... | 10/11/1988 |
| 4729343 | Sleeping quarters for pets Sleeping quarters for a pet having a flat bottom and arched roof framework with two pen ends and made of lightweight, semi-rigid foam material. A tubular liner having a transversely extending elastic strip sewn to longitudinal gathers is inserted through ... | 03/08/1988 |
| 4704804 | Method of and apparatus for temperature conditioning of matter Method of and apparatus for temperature conditioning of matter of the type wherein matter to be conditioned is exposed to a vapor within a vessel for select heating and/or moisture absorption or desiccation. The system includes selectively providing a mix... | 11/10/1987 |
| 4686779 | Method of and apparatus for particulate matter conditioning A conditioning system for particulate matter comprising a vertical conditioning vessel adapted for the counter-current flow of particulate matter and treatment fluid therethrough. The particulate matter such as grain, is fed into an upper region of the ve... | 08/18/1987 |
| 4667418 | Anaerobic pasteurizing conditioning system An anaerobic, pasteurizing conditioning system for treating matter such as whole and ground grain and minerals to increase the rate of conversion during digestion and thus the nutritional value thereof. The system comprises a direct fired steam generator ... | 05/26/1987 |
| 4658905 | Mud valve A mud saver valve comprising a tubular body connectable between a kelly and a drill string. A piston is mounted therein and includes a bore substantially coaxially aligned with the central opening. A plug is removably mounted in the piston and is movable ... | 04/21/1987 |
| 4655852 | Method of making aluminized strengthened steel A steel article which is made of carbon or low alloy steel, with a prescribed chemical composition, is heat treated so that its yield strength is increased to a minimum of 60,000 psi and is subsequently dipped or spray covered with aluminum and then heate... | 04/07/1987 |
| 4644967 | Fluid flow control system Disclosed is a dual output, pressure responsive, adjustable, fluid flow control system. It includes first and second flow networks coupled in parallel flow communication, the networks each have first and second flow paths, and the first flow path of flow ... | 02/24/1987 |
| 4606828 | Scale formation preventor and/or remover Apparatus and method for removing hardening calcium-containing and similar minerals from water, in which raw water is passed through a passage, having a reduced cross-sectional area, in an elongated core of a suitable alloy. The passage is provided with c... | 08/19/1986 |
| 4599798 | Layout device for word processors Disclosed is an apparatus for facilitating lay-out of printed work to be produced on a work processor. The apparatus includes a rectangular base sheet, a transparent cover sheet substantially equal to the base sheet in length and width; the two sheets are... | 07/15/1986 |
| 4562744 | Method and apparatus for measuring the flowrate of compressible fluids The flowrate of a compressible gs is determined by measuring the pressure and temperature on each side of a flow impedance device, such as an orifice plate and computing the flowrate from the resulting pressure and temperature differentials according to a... | 01/07/1986 |
| 4527435 | Channeled plug proportional flow sampler An improved proportional gas flow sampler having a combined arrangement of channeled plugs in a main flow line and a sample flow line for obtaining proportionally constant flow samples. The channels in the main line plug have relatively equivalent hydraul... | 07/09/1985 |
| 4527872 | Composite process cinematography system and method A composite cinematography system and method in which two identical images are projected towards two separate reflective screens, respectively, with a camera being disposed in the reflective path of one of the screens. The reflection from the other screen... | 07/09/1985 |
| 4467879 | Well bore tools Well bore tools configured as centralizers/stabilizers, well bore reamers, and keyseat wipers each of which includes an elongate tubular body having a generally cylindrical outer surface and a diameter approximately equal to the diameter of the borehole b... | 08/28/1984 |
| 4446748 | Proportional flow sampler Disclosed is an improved proportional gas flow sampler having a combined arrangement of baffles with orifice plates for obtaining proportional flow sampling. Orifice plates may be used alone for this purpose and baffles also may be used alone, but by comb... | 05/08/1984 |
| 4437839 | Chalkboard with hinged chalk rail An indicia receiving board, such as a chalkboard, or marker board having a writing surface and a longitudinal folding rail hinged at its ends and projecting forwardly from the bottom of the board. The hinged arrangement provides a rail which may be folded... | 03/20/1984 |
| 4429784 | Infeed assembly for random length end shaping machine An infeed assembly or mechanism for advancing wood sticks of random length through an end shaping machine or woodworking apparatus that has at least one end shaper and holddown mechanism for preventing displacement of the sticks during shaping of the ends... | 02/07/1984 |
| 4422828 | Method of and apparatus for increasing propulsive efficiency of aircraft propellers Hub flexures affording beamwise flapping (i.e. flapping perpendicular to the original tip-path plane), mount aircraft propellers through a hub assembly to a drive shaft of a fixed wing aircraft for increasing propulsive efficiency. The hub flexures permit... | 12/27/1983 |
| 4396299 | Method and apparatus for determining total energy flow in a gas line Disclosed are methods and apparatus for measuring and determining the total energy flow, that is, BTUs per minute, of combustible gas flowing through a line such as a pipeline. One method includes taking a continuous sample of the gas flowing through the ... | 08/02/1983 |
| 4392782 | Liquid level controller Disclosed is a liquid level controller that uses a pair of vertically spaced thermistors to control a switching means to turn a pump on when a sufficient depth of liquid is present and to turn the pump off before the pump runs dry. Such a device is ideall... | 07/12/1983 |
| 4374786 | Unitized scrubber tower The device of the present invention utilizes a unitized scheme to erect a sulphur dioxide scrubber tower wherein a set of factory built constituent subunits are joined at location to produce a single functional unit. The functional units themselves prefer... | 02/22/1983 |
| 4285245 | Method and apparatus for measuring and controlling volumetric flow rate of gases in a line Disclosed is a method and apparatus for measuring and controlling volumetric flow rate of gases. The apparatus includes a measurement chamber of fixed volume in a flow line, a controllable inlet valve upstream from the chamber, and flow regulator means fo... | 08/25/1981 |
| 4270294 | Firearms Disclosed is a repeating firearm having a vertically slidable block mounted behind the barrel. The upper portion of the block carries a firing pin, and one or more cartridge holding chambers are provided in the lower portion. A cartridge ejector is mounte... | 06/02/1981 |
| 4246943 | Infeed assembly for random length end shaping machines An infeed assembly or mechanism for advancing wood sticks of random length through an end shaping machine or woodworking apparatus that has at least one end shaper and means for holding the sticks against displacement, while permitting travel thereof thro... | 01/27/1981 |
| 4176894 | Internal electrical interconnect coupler An internal electrical interconnect coupler of an electrical conductor assembly for use with a tubular fluid conductor composed of lengths of pipe having their ends interconnected in spaced relationship by external couplers wherein an electrical conductor... | 12/04/1979 |
| 4160528 | Carpet roll winding apparatus An apparatus for unwinding, measuring and cutting a predetermined length of pliable material, such as carpet, from a supply roll and for rewinding the unwound length into a roll, having unwind (first) means for rotatably supporting the supply roll and unw... | 07/10/1979 |
| 4138050 | Wiener stick applicator A wiener stick applicator composed of a drum or magazine rotatable about its horizontal longitudinal axis and having parallel grooves extending longitudinally of its exterior for supporting handle sticks and wieners or wieners/half wieners, in axial align... | 02/06/1979 |
| 4130000 | Drill string shock absorber A shock absorber from an oil well drill string mounted therein adjacent its drill bit to cushion drill bit impacts in hard formations and having an elongate tubular mandrel, for connection with said bit, slidably mounted in and drivingly connected to an e... | 12/19/1978 |
| 4125123 | Methods of and means for accurately measuring the calorific value of combustible gases Method of and means for accurately measuring the calorific value of combustible gases wherein a mixture of combustible gas and combustion-supporting gas is burned in a pair of flames, the temperatures of the burned gases in both flames being monitored and... | 11/14/1978 |
| 4125018 | Method of and means for accurately measuring the calorific value of combustible gases Method of and means for accurately measuring the calorific value of combustible gases wherein a mixture of combustible gas and combustion-supporting gas is burned in a pair of flames, the temperatures of the burned gases in both flames being monitored and... | 11/14/1978 |
| 4121671 | Pile driving Disclosed is an apparatus for increasing the effectiveness of hammer-type pile drivers by making possible the use of higher hammer velocities without damaging the pile or the equipment. The apparatus includes a pair of aligned cylinders of unequal diamete... | 10/24/1978 |
| 4120919 | Quick opening removable tray sections for fluid contact Novel quick opening removable tray sections or deck plates for trays of fluid contact vessels having foldable closures or covers adapted to rest upon frame members which coact to form perimeters of one or more polygonal, preferably quadrangular, complemen... | 10/17/1978 |
| 4080847 | Speed responsive planetary transmission Disclosed is an automatically variable transmission of the planetary type in which the planet gears of the main or power gear train are carried on a rotatable power cage but are not bounded by an internally toothed ring gear. The transmitted torque and sp... | 03/28/1978 |
| 4079656 | One piece two prong flat head nail type fastener A fastener of the nail type adapted to be made in one piece from a narrow strip of sheet metal and composed of a quadrilateral, preferably, generally square, flat head with a single pair of prongs integrally projecting generally perpendicularly from the u... | 03/21/1978 |
| 4064610 | Method of and means for forming floral puffs A novel method of and means for forming puffs for floral arrangements from relatively small sheets of gossamer or net-like, flexible or pliable, very thin, fine mesh fabric or tulle gathered at their medial portions into fluffy butterfly shape, secured by... | 12/27/1977 |
| 4064328 | Auxiliary dual battery terminal An auxiliary dual battery terminal having conventional tapered post and screwthreaded stud upstanding from a generally flat generally triangular or T-shaped body in spaced relation to its mounting collar for connecting an electrical conductor, having a cl... | 12/20/1977 |
| 4062236 | Method of and means for accurately measuring the calorific value of combustible gases Method of and means for accurately measuring the calorific value of combustible gases wherein a mixture of combustible gas and combustion-supporting gas is burned in a pair of flames, the temperatures of the burned gases in both flames being monitored and... | 12/13/1977 |
| 4023256 | Methods of fastening wood veneer sheets in edge-to-edge relationship Substantially rectangular veneer sheets of random lengths and widths are fastened in edge-to-edge relationship by raising integral fluke-like hooks or teeth in each sheet, abutting the edges of adjacent sheets, engaging continual strings or threads beneat... | 05/17/1977 |
