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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7581499 | Insulated cartridge case and ammunition, method for manufacturing such cases and ammunition, and use of such cases and ammunition in various different weapon systems The invention relates to a cartridge case (2) and ammunition round (1) primarily for electrothermal and/or electrothermochemical weapon systems, which round comprises the said cartridge case. According to the invention, the casing (10) of the ca... | 09/01/2009 |
| 7581500 | Payload delivering ring airfoil projectile A ring airfoil projectile is defined by an annular body which defines a central passage. The body is constructed so that a center of pressure is substantially coincident with a center of gravity thereof. The body is preferably constructed of a nose section and tail ... | 09/01/2009 |
| 7581501 | Dipole antenna projectile with sensor A fin-stabilized projectile suitable for launching from a shotgun or similar weapon. The projectile may penetrate easily breakable materials but will not penetrate tougher materials. The projectile may be shot through an easily breakable surface to gain entry to a t... | 09/01/2009 |
| 7581502 | Rail vehicle system and transportation method of using the rail vehicle system In a branch section 1 or a merge section of a rail vehicle system, an auxiliary travel surface 17 on the straight lane side includes a deformed portion 54 where the height is increased for supporting an auxiliary wheel 6 of a traveling ve... | 09/01/2009 |
| 7581503 | Fertilizer opener/closer arrangement for an agricultural machine An agricultural machine includes a tool bar and at least one opener/closer arrangement carried by the tool bar for opening a trench in soil. Each opener/closer arrangement includes an opener disc positioned at an angle relative to a working direction and defining a ... | 09/01/2009 |
| 7581504 | Printed umbrella, umbrella cover, and method of making An umbrella cover if formed from a unitary piece of material, an octagonal piece of material having eight corners, which may be decorated, such as by printing, without image segmentation. The cover has eight generally triangular slits therein extending one from each... | 09/01/2009 |
| 7581505 | Method for caulking the deck of ships The present invention involves a process for caulking a ship deck includes the steps of bonding planks of tropical wood on the subdeck of said ship, sealing said planks through the application of a moisture curable sealing composition, and allowing said composition ... | 09/01/2009 |
| 7581506 | Cargo transport device for towing behind watercraft A hitching device permits towing a cargo transport device behind a kayak. The cargo transport device comprises a watertight container and a connection member extending along a longitudinal axis between the container and the watercraft. The connection member includes... | 09/01/2009 |
| 7581507 | Launch and recovery devices for water vehicles and methods of use An embodiment of a launch/recovery device for both surface and underwater vehicles includes a plurality of driven wet-traction members arranged to form a low drag (e.g., water flow-through) ramp design. The wet-traction members provide traction even when wet between... | 09/01/2009 |
| 7581508 | Monohull fast ship or semi-planing monohull with a drag reduction method A monohull surface ship has a hull having a profile which produces a high pressure area at a bottom portion of the hull in a stern section of the hull and hydrodynamic lifting of the stern section at a speed above a length Froude number of 0.30. The ship includes an... | 09/01/2009 |
| 7581509 | Hybrid whistle A hybrid whistle has two pealess whistle chambers with air vents to the left and right and a central pea whistle with an air vent facing generally perpendicularly to the left and right air vents that are integrally formed together, preferably in a two piece, top and... | 09/01/2009 |
| 7581510 | Display device for golf club protector The invention teaches a press-button type display indicator for golf club protector, comprising an enclosure having a marker display window and a connective device to engage with the golf club protector; a rotation wheel that can be rotated intermittently and a firs... | 09/01/2009 |
| 7581511 | Apparatus and methods for manufacturing microfeatures on workpieces using plasma vapor processes A reactor comprising an energy source, a plasma unit positioned relative to the energy source, and a processing vessel connected to the plasma unit. The energy source has a generator that produces a plasma energy and a transmitter to transmit the plasma energy. The ... | 09/01/2009 |
| 7581512 | Pan breeder feeder A feeder assembly is used in a feed distribution system having a feed supply conduit. The feeder assembly includes a pan member, which is preferably elongated in configuration, in a shape of two intersecting circles. The feeder assembly also includes at least one fi... | 09/01/2009 |
| 7581513 | Animal eyewear Animal eyewear, including protective sun goggles, is dimensionally optimized for canines. Other embodiments provide interchangeable lenses and other features. ... | 09/01/2009 |
| 7581514 | Pet drying device A novel pet drying garment includes a top section, a middle section, and a bottom section formed of an absorbent material, and having at least one fastener for securing the bottom section over the lateral edges of the top section. In a particular embodiment, the gar... | 09/01/2009 |
| 7581515 | Control scheme for an evaporator operating at conditions approaching thermodynamic limits A heat exchanger assembly includes a plurality of evaporative heat exchangers that are selectively feed evaporant to tailor operation to current heat load in order to maintain operation in thermodynamically extreme operating conditions. ... | 09/01/2009 |
| 7581516 | Water/alcohol injection flow switch safety device An embodiment of a water/alcohol injection safety device adapted to signal a user and vehicle equipment when injection has reached a set flow rate specified by the user comprises a housing with external connectors and internal components. One connector is a fluid in... | 09/01/2009 |
| 7581517 | Automatic by-pass safety cooling system for fire pump engines In an internal combustion engine system where the heat in the engine jacket coolant is discharged in a water cooled heat exchanger, an independent and automatic by-pass safety cooling system responsive solely and directly to engine jacket coolant temperatures to ens... | 09/01/2009 |
| 7581518 | Coaxial oil pump for barrel engines A barrel internal combustion engine includes a plurality of pistons, a drive shaft, a cam plate and an oil pump. The plurality of pistons is slidably coupled to a plurality of cylinders for reciprocal movement along axes generally parallel with a central axis. The d... | 09/01/2009 |
| 7581519 | Phase adjusting apparatus and a cam shaft phase adjusting apparatus for an internal combustion engine A plurality of advanced angle chamber oil paths communicated to advanced angle hydraulic chambers and a plurality of retarded angle chamber oil paths communicated to retarded angle hydraulic chambers according to a change in rotating angle of a cam shaft are provide... | 09/01/2009 |
| 7581520 | Pencil-type glow plug having an integrated combustion chamber pressure sensor A pencil-type glow plug for a self-igniting internal combustion engine is described. The pencil-type glow plug includes a plug body in which a combustion chamber pressure sensor is integrated, and a bar-shaped heating element that protrudes out from the plug body at... | 09/01/2009 |
| 7581521 | Driving authorisation system comprising an electronic immobiliser function A driving authorization system comprises an electronic immobilizer function which is coupled to a rotary shaft sensor. The rotary shaft sensor senses the position and/or rotational speed of the rotary shaft by means of a pickup wheel arranged on a rotary shaft, and ... | 09/01/2009 |
| 7581522 | Resin intake manifold Upper and lower split components include upper and lower concave parts, respectively, forming the inner periphery of an intake pipe. An internal pipe is placed between the upper and lower concave parts. The upper concave part is formed a distance away from the outer... | 09/01/2009 |
| 7581523 | Auxiliary arrangement structure in internal combustion engine In an internal combustion engine, an actuator for driving a control shaft of a variable valve-operating mechanism is disposed in a space surrounded by a cylinder head having a plurality of intake ports, an intake manifold having a plurality of branch pipes connected... | 09/01/2009 |
| 7581524 | Engine front structure An engine front structure, which is provided with a cover body (9a) of the timing cover (9) which covers the camshaft driving force transmission mechanism at a position opposed to a front surface of the cylinder head. An upper extension portion ... | 09/01/2009 |
| 7581525 | Twin cylinder motorcycle engine A rocker box, pushrod assembly, oil delivery system, tappets and tappet guides are provided for an engine, particularly a shovelhead motorcycle engine. The rocker box includes a separable upper portion and lower portion with a seal for sealing the upper portion and ... | 09/01/2009 |
| 7581526 | Device and method to increase fuel burn efficiency in internal combustion engines A reciprocating piston engine wherein the movement of a piston within the combustion chamber creates vortices in the fluid within the chamber and wherein the orientation of the vortices is more normal to the axis of movement of the piston than parallel to the axis o... | 09/01/2009 |
| 7581527 | Internal combustion engine provided with a valve opening variation system and vehicle equipped with such engine The present invention is relative to an internal combustion engine equipped with a plurality of combustion chambers such to allow the variation of the opening of the valves of said chambers by means of an actuator. The engine according to the invention comprises a c... | 09/01/2009 |
| 7581528 | Control strategy for engine employng multiple injection types A system for an engine, comprising a cylinder, a first injection subsystem for injecting a first substance into the cylinder, a second injection subsystem for injecting a second substance into the cylinder, and an electronic engine controller configured to control a... | 09/01/2009 |
| 7581529 | Fuel injector A sensor is used to sense a property relating to each one of a plurality of different elevational locations within a vertical plane that is normal to a length of an aircraft. The vertical plane passes through the doorway of the aircraft, and at least some of the plu... | 09/01/2009 |
| 7581530 | Support element A support element is provided for the mutual support of a fuel injector in a valve receptacle, e.g., the valve receptacle of a cylinder head of an internal combustion engine, and of the fuel injector against a fuel distribution line. The support element has a clamp,... | 09/01/2009 |
| 7581531 | Method for operating an internal combustion engine An internal combustion engine includes multiple cylinders. A partial set of the cylinders may be temporarily shut off. Fuel is introduced briefly into at least one of the shut off cylinders and combusted in an at least essentially torque-neutral way during the cylin... | 09/01/2009 |
| 7581532 | Method for recirculating a partial exhaust gas flow to an internal combustion engine of a motor vehicle In the present method, a partial flow is guided through a partial flow line connected downstream of an exhaust gas outlet of an internal combustion engine, and is immediately thereafter supplied to an internal combustion engine either via a first valve, a bypass lin... | 09/01/2009 |
| 7581533 | Three mode cooler for exhaust gas recirculation An exhaust gas recirculation system for an engine provides three modes of operation. In a bypass mode, exhaust gas bypasses a heat exchanger. In a single pass mode of operation, exhaust gas flows through the heat exchanger passageways. In a dual pass mode of operati... | 09/01/2009 |
| 7581534 | Internal combustion engine ignition device An internal combustion engine ignition device is provided in which an ECU (200) includes a pulse generation circuit (201) that outputs pulse signals (Igt1 and Igt2) and an ion-signal detection/control circuit (300), and a coil driv... | 09/01/2009 |
| 7581535 | Method of estimating the fuel/air ratio in a cylinder of an internal-combustion engine by means of an extended Kalman filter The present invention relates to a method of estimating the fuel/air ratio in each cylinder of an injection internal-combustion engine comprising an exhaust circuit on which a detector measures the fuel/air ratio of the exhaust gas. An estimator based on a Kalman fi... | 09/01/2009 |
| 7581536 | Bow string capture and release device Described herein is a three stage bow string entrapment and release device. The device is unique and novel in that it incorporates trigger travel amplification such that a movement of X at the trigger results in a movement of approximately 1.5X at the critical relea... | 09/01/2009 |
| 7581537 | Paintball gun with a pressure gauge device A paintball gun with a pressure gauge device includes a rear cap, a pressure gauge, and a canopy. The rear cap has a first end and a second end. The rear cap has a compartment at the first end adapted to accommodate the pressure gauge. The second end of the rear cap... | 09/01/2009 |
| 7581538 | Ball propelling machine The invention relates to an assembly and method of spinning a seamed ball prior to being propelled from a ball propelling machine. The assembly can simulate balls propelled in sports such as baseball. The assembly includes at least one pair of opposed ball supports ... | 09/01/2009 |
