Bizarre Patents
Crispy Chip Sandwich and Process of Producing a Sandwich Product
A food product comprising a multilayer cookie or snack having outer layers formed from a crispy type edible food product such as a potato chip or corn chip, etc. with an intermediate marshmallow layer being in contact with the inner surface of each crispy chip and one or more filler substances.
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| Number | Title | Issue Date |
| 7694622 | Fluid pressure operated piston engine apparatus and method A fluid pressure operated piston engine apparatus generally includes a piston unit, a valve configured to selectively direct pressurized fluid into the piston unit, a valve shifting mechanism, and a magnetic detent device. The magnetic detent device includes a valve... | 04/13/2010 |
| 7021330 | Diaphragm valve with reliability enhancements for atomic layer deposition A shut-off type diaphragm valve adapted for use in an atomic layer deposition system includes a valve seat having an annular seating surface that surrounds an inlet of the valve and extends radially therefrom. The seating surface contacts a substantial portion of th... | 04/04/2006 |
| 7017469 | Metering device A metering device of the type in which a shuttle moves axially within a chamber between two terminal positions, with the chamber having fluid inlet and outlet at each end so that fluid may enter through one end to move the shuttle to cause fluid to be ejected throug... | 03/28/2006 |
| 6962317 | Air blast device with improved ejection conduit The invention relates to an air blast device disposed between an inlet conduit (3) designed to be connected to a container designed to accumulate a volume of air and an outlet conduit (5), characterized in that the area (C) of the cross-section of the ... | 11/08/2005 |
| 6782795 | Hydraulic percussion/pressing device The present invention relates to a hydraulic DEVICE having a valve housing (1) with a movable valve body (2) arranged inside the valve housing, a hydraulic cylinder with at least a hydraulic chamber (115), and at least a control mechanism (4 | 08/31/2004 |
| 6769884 | Hydraulic drive system for piston pumps A hydraulic drive system is provided to produce a smoothed or near sinusoidal output flow characteristic for reciprocating piston pumps. The device occupies a smaller footprint than conventional mechanical reciprocating pumps and allows a standard reciprocating pump... | 08/03/2004 |
| 6763661 | Apparatus and method for providing vibration to an appendage of a work vehicle An apparatus and method for creating vibration of an appendage of a work vehicle is disclosed. The apparatus includes a hydraulic cylinder, first and second valve assemblies, and a control element. The hydraulic cylinder is coupled between a first portion of the wor... | 07/20/2004 |
| 6755114 | Air pulser and devices An air pulser is provided which can intermittently form pulse air by continuously supplying compressed air. The interior of the body is partitioned into an air supply chamber and an air exhaust chamber by a diaphragm. An air blast cylinder opened and closed by the d... | 06/29/2004 |
| 6712587 | Hydraulic amplifier pump for use in ultrahigh pressure liquid chromatography A hydraulic amplifier system for an ultra-high pressure liquid chromatography system. The hydraulic amplifier system includes a hydraulic cylinder comprising a primary piston chamber in which a primary piston is disposed and a secondary piston chamber in which a sec... | 03/30/2004 |
| 6589027 | Double acting reciprocating motor with uni-directional fluid flow A double-acting reciprocating motor with a uni-directional fluid flow path comprises a piston disposed within a cylinder. Within the cylinder, the piston defines a first chamber between the piston and a cylinder base and a second chamber between the pisto... | 07/08/2003 |
| 6454542 | Hydraulic cylinder powered double acting duplex piston pump A mud pump is provided with two cylinders for pumping mud in connection with water well drilling, and two sets of hydraulic oil cylinders with pistons connected to and driving the pistons of the mud pump by piston rod connecting plates. A flow divider loc... | 09/24/2002 |
| 6178871 | Actuator and method of operating same Actuator (140) for providing intermittent movement to a member (151). The actuator (140) has actuator cushion members (150) which extend with the entry of air and which contract with the egress of air provided through air supply lines (151, 152) connected... | 01/30/2001 |
| 5617771 | Auto cycle pump An auto cycle pump in accordance with the invention includes a housing having a reservoir for storing hydraulic fluid. A hydraulic pump in the housing provides hydraulic flow. A directional valve has neutral, advance and retract positions to respectively ... | 04/08/1997 |
| 5377719 | Pneumatic valve, particularly for control of compressed-air-operated membrane pumps A pneumatic valve, designed to control/pressurize a membrane pump, compresses a valve body (1) having gates (8-12) for compressed-air-flow/operation/pressurization of said pump. The valve body is closed by ends (2), between which a plunger (5) is to move ... | 01/03/1995 |
| 5325762 | Fluid pressure operated piston engine assembly A fluid pressure operated piston engine assembly, such as a pump assembly, including a fluid pressure operated piston engine and a fluid valve for coupling fluid under pressure to alternative portions of the piston chamber of the piston engine. The fluid ... | 07/05/1994 |
| 5271121 | Pneumatic windshield wiper with sensor controlled motor A pneumatic windshield wiper includes a compressed air motor provided with a piston which mounts a pair of actuator vanes one of which functions with a fixed electric sensor on the motor housing to establish the "park" position of the wiper blade. The oth... | 12/21/1993 |
| 5256840 | Holding device for piston position detector Holding device for a piston position detector, contained in a casing and being displaceably mounted on the outside of a fluid pressure cylinder. The holding device consists essentially of a U-shaped yoke being displaceable along two mutually parallel guid... | 10/26/1993 |
| 5222876 | Double diaphragm pump A double diaphragm pump having diaphragms connected by a coupling rod and separating two diaphragm chambers, a control spool displaceable in dependence on the position of the diaphragms, with closure means for alternate freeing and closing control passage... | 06/29/1993 |
| 5209649 | Control system for a two-cylinder thick matter pump A two cylinder thick matter pump has two hydraulic drive cylinders, two pistons supported and driven within each respective drive cylinder, and two feed cylinders. Each feed cylinder is adapted to receive a respective piston therein to pump the matter the... | 05/11/1993 |
| 5174731 | Method and arrangement for controlling a compressed air-operated double diaphragm pump A method and an apparatus for control of the movement of a control piston an air control valve for a compressed air-operated double diaphragm pump, wherein the control piston is moved between the end positions in a control cylinder having inlet bores and... | 12/29/1992 |
| 5092744 | Intensifier An intensifier for delivering ultra high pressure water to a cutting head of a water jet cutting apparatus. The intensifier has a power piston and cylinder assembly connected to piston members extended into pumping chambers in housing located at opposite ... | 03/03/1992 |
| 5088382 | Linear unit A linear unit (10) is provided with a cylinder (50) and a pressure-fluid actuated piston (52). The piston (52) runs in a borehole (51) of the cylinder (50). A slider (55) runs at the cylinder (50). A band (53) connects the piston (52) to the slider (55) a... | 02/18/1992 |
| 5024142 | Cyclically operating fluid drive motor with magnetically controlled diaphragm valves Presented is a fluid drive motor that may be attached to a conventional garden hose, for instance, to effect reciprocating motion of a drive shaft that may be connected to a utilitarian device, such as a scrub brush. The fluid drive motor is provided with... | 06/18/1991 |
| 5012643 | Pressure-driven engine A pressure-driven engine is provided therein with an intake valve and an exhaust valve the opening and closing operations of which are controlled by a combination of the urging force of the respective springs and the attractive force of the respective mag... | 05/07/1991 |
| 4981068 | Expansible chamber device having variably restrained valve systems In accordance with an illustrative embodiment of the present invention, an expansible chamber device includes a piston movable within a cylinder, a head on the cylinder having intake and exhaust ports, a normally-open intake valve for closing the intake p... | 01/01/1991 |
| 4942735 | Apparatus for driving a medical appliance Apparatus for driving a medical appliance has a single compressor for generating both the positive and negative pressures. The switching valves are connected to the outlet and inlet terminals of the compressor. The outlet and inlet terminals of the compre... | 07/24/1990 |
| 4924671 | Controlled series high-pressure intensifiers for hydraulic press cylinded circuit For the production and exact control and regulation of very high pressures, in particular for actuating a press, two pressure intensifiers are provided which each have a differential piston. The second pressure intensifier is connected via a shutoff valve... | 05/15/1990 |
| 4889035 | Magnetically actuated valve for cyclically operating piston-cylinder actuator A fluid pressure oscillator is provided with a cylinder containing a piston assembly. Fluid actuated reciprocation of the piston assembly is controlled by a valve mounted externally of the cylinder. The valve is alternately shifted between "advance" and "... | 12/26/1989 |
| 4830563 | Multi-condition responsive vehicle restraining apparatus A multi-condition responsive vehicle restraining apparatus includes a hook member having an edge for contacting an ICC bar on a vehicle and a tip located at one end of the edge and extending upwardly therefrom for restraining the ICC bar from passing the ... | 05/16/1989 |
| 4830737 | Apparatus and method for controlling the flow of foam at low flow rates Apparatus for controlling the flow of a foam uses a bellow enclosed in a housing. The bellows is filled with foam under pressure from a foam generator and expands a preselected amount at which point the flow of foam into the bellows is interrupted. Simult... | 05/16/1989 |
| 4827672 | Abrasive cutting wheel system An abrasive cutting system has an abrasive cutting wheel, a holder for the object to be cut, and means for advancing and retracting the wheel and holder relative to each other. Preferably, the advancing and retracting means is connected to the holder, whi... | 05/09/1989 |
| 4818191 | Double-acting diaphragm pump system A double-acting diaphragm pump system for pumping and spraying materials, particularly corrosive liquids and abrasive fluids. The system includes a hydraulically driven double-acting diaphragm pmup which is electrically controlled for alternately pumping ... | 04/04/1989 |
| 4796428 | Double-acting forging hammer and method A double-acting accelerated forging hammer and method of operation are disclosed. The hammer is of the type having a vertically oriented cylinder, a piston slidably mounted within the cylinder having a downwardly depending piston rod extending along the c... | 01/10/1989 |
| 4794843 | Hydraulic valve for controlling single-acting cylinder A hydraulic control valve for a single-acting cylinder includes a valve housing having a cylindrical valve bore. A supply port present in the valve housing is in communication with the valve bore, as is a discharge port and a delivery port. A valve pin is... | 01/03/1989 |
| 4778356 | Diaphragm pump A double action diaphragm type pump wherein oppositely positioned diaphragm pumping units are reciprocally operated by a hydraulic cylinder assembly positioned between the pumping units. Separate piston rods extend oppositely from a piston in a hydraulic ... | 10/18/1988 |
| 4761120 | Well pumping unit and control system A well pumping unit comprising a double acting hydraulic cylinder actuator supported on a mast above a wellhead and having a piston rod connected directly to the polish rod of an elongated subsurface pump rod string. A generally cylindrical annular counte... | 08/02/1988 |
| 4754691 | Fluid operated devices for moving articles A fluid pressure operated device comprises a body adapted for moving an article and carrying magnets coupled to other magnets on a piston movable by fluid pressure in a cylinder. The body also carries spaced magnets and another piston carries spaced magne... | 07/05/1988 |
| 4747758 | Fluid pressure-intensifier A fluid pressure-intensifying apparatus of the double-acting type has an elongated cylindrical housing that encloses the low pressure and high pressure chambers and compressively position and restrains the elements that make up the low and high pressure c... | 05/31/1988 |
| 4684062 | Pumping system for mobile protective coating spray apparatus and other applications Disclosed herein is an improved pumping system for self-contained and, if desirable, portable machines adapted to efficiently spray or squeegee viscous sealing fluids on roadway pavement and parking lots, which fluids may contain suspended solid matter. F... | 08/04/1987 |
| 4646517 | Hydraulic well pumping apparatus For use with a pumped well having a string of sucker rods connecting to a downhole pump, hydraulic pumping apparatus is disclosed. In the preferred and illustrated embodiment, a polished rod is surrounded by a selectively located sleeve. The sleeve locks ... | 03/03/1987 |
