Bizarre Patents
Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5704385 | Automatic and manually operable safety shutoff valve A seismic safety apparatus has a housing having an internal space and an external surface. A seismic safety activating mechanism is provided inside the housing for activating a seismic safety device. The seismic safety activating mechanism includes an ine... | 01/06/1998 |
| 5704386 | Multistage regulating valve A multi-stage regulating valve is provided with a cylinder and an adjusting piston guided inside it to which a regulating pressure can be applied from one side and a return force from the other. Depending on the regulating pressure, the piston keeps at le... | 01/06/1998 |
| 5704387 | Propane reserve system A propane reserve system for providing propane fuel to propane driven equipment. The propane reserve system includes a standard tank and reserve tank interconnected by a supply network such that the standard tank simultaneously supplies fuel to the propan... | 01/06/1998 |
| 5704388 | Tubular toothpick having a feathered tip A tubular toothpick (10) that can be used to remove food particles from between a user's teeth, gums and periodontal pockets without damaging the soft tissue of the user's gums is disclosed. The toothpick (10) is formed from synthetic resin materials and ... | 01/06/1998 |
| 5704389 | Waste line stoppage detector and automatic water shutoff system A waste line stoppage detector and automatic water shutoff system is utilized to prevent the overflow of raw sewage from a plumbing fixture. Electronic shutoff valves are electronically connected to a waste line stoppage detector. One application involves... | 01/06/1998 |
| 5704390 | Automatic variable demand flow regulator An automatic variable demand flow regulator regulates water flow into a building based on variable supply and demand pressures. The regulator is positioned between a building and a water supply meter for the building. The regulator includes a piston that ... | 01/06/1998 |
| 5704391 | Gravity-operated gas shut-off valve A flow shut-off valve shuts off natural gas if there is a break in a gas line, for example, the line to a water heater toppled by an earthquake. The shut-off valve is fitted into a standard pipe nipple that is installed in a vertical position. The shut-of... | 01/06/1998 |
| 5704392 | Apparatus for cycling motor-operated valves The present invention is an apparatus for cycling a valve having a valve operator for rotationally operating the valve. The apparatus includes a rotary actuator having an output shaft for developing a rotational force and a torque-sensing release clutch f... | 01/06/1998 |
| 5704393 | Coiled tubing apparatus The apparatus and method for injecting coiled tubing downhole includes a connector member disposed on the end of the coiled tubing and supporting a downhole tool. The connector member includes a dual check valve in the fluid passageway which allows fluid ... | 01/06/1998 |
| 5704394 | Vacuum valve with integrated selector plate A rotary valve has a stator with ports for connection to a vacuum source and to a plurality of vacuum actuators, and a housing having a central hub. A selector residing between the stator and the housing comprises a resilient body insert molded to a steel... | 01/06/1998 |
| 5704395 | Solenoid valve A 2-position 3-way solenoid valve provided with one plunger and ports arranged in a half portion of the valve in its longitudinal direction is disclosed. The valve includes a valve body having a base with first and second ports and open and closed ends, a... | 01/06/1998 |
| 5704396 | Modulation rotary valve A self wear compensating valve for controlling flow of a fluid employs seals for sealing between relatively moving parts. In one of the parts, an annular recess is formed. A conformable sealing member is placed in the recess, and a spring biased to expel ... | 01/06/1998 |
| 5704397 | Water flow control device A water flow control device including a control valve mounted in a casing and controlled by a control rod through an actuating rod to close/open the water discharging port, the control valve including a valve flap having a center hole and a plurality of a... | 01/06/1998 |
| 5704398 | Valve linkage system A valve linkage comprises valve arrangements each comprising a valve disc disposed in its respective conduit, a valve shaft attached thereto and extending therefrom, and a lever arm attached to the shaft. In one preferred embodiment, certain valve arrange... | 01/06/1998 |
| 5704399 | Chained multiple connection change-over valve assembly A chained multiple connection change-over valve assembly of an extremely compact form in thickness, formed by connecting a plural number of multiplex change-over valve units of a flatly thin shape successively in a lateral direction, each change-over valv... | 01/06/1998 |
| 5704400 | Electrical conduit assembly A method of routing rigid electrical conduit pipe between spaced apart enclosures includes measuring the distance between the enclosures and cutting a length of conduit pipe to the measured distance, less a bulkhead hub allowance. Bulkhead hubs are thread... | 01/06/1998 |
| 5704401 | Washing machine hose With a desired intermediate portion as a boundary, in a hose, a corrugated wall is formed on one side of the boundary while a scalene-triangularly corrugated wall is formed on the other side of the boundary, the whole of a hose is formed of a soft synthet... | 01/06/1998 |
| 5704402 | Air bag fabric The woven structure for an air bag is designed to have an air permeability which does not increase by more than about fifty percent when the fabric is subjected to substantially equivalent tension forces in both the warp and fill. This is accomplished by ... | 01/06/1998 |
| 5704403 | Device for refilling a printer cartridge of an ink jet printer Device for the refilling of a print head of an ink jet printer outside of the ink jet printer, with a holder, into which the print head can be inserted, wherein the print head includes an ink supply chamber, which is in fluid communication with the emissi... | 01/06/1998 |
| 5704404 | Method and device for compacting resilient waste materials for storage and disposal A method and device is disclosed for compacting resilient waste materials for storage and disposal. The device provides for a storage container having at least one group of retaining members secured to the interior surface of the sides. Each group of reta... | 01/06/1998 |
| 5704405 | Process and apparatus for filling insulating glass panes with heavy gas For metering of heavy gas which is intended for use in filling insulating glass panes with heavy gas or in the assembly of heavy gas-filled insulating glass panes, heavy gas is introduced into A space (5) of a cylinder (1) whose internal space is divided ... | 01/06/1998 |
| 5704406 | Combined harvesting and transporting machine A combined harvesting and transporting forestry machine includes a multi-directional pivotable and extensible boom assembly (1) having a crosswise jib (2) fitted at its outermost end. A clamp harvester (4) is carried by one end of the crosswise jib (2). A... | 01/06/1998 |
| 5704407 | Tree delimbing device A tree delimbing device having a self-aligning cutter head for delimbing a tree stem which is mounted on a frame by a rotational and pivotal support. A substantially inelastic flexible member connects the cutter head to the frame to limit movement of the ... | 01/06/1998 |
| 5704408 | Pour spout A hollow tube attachable at one end to a container of fluid is provided at the other end with a fluid conduit termination disk separated from the end of the hollow tube by a space that defines a fluid discharge opening. A slide valve on the exterior of th... | 01/06/1998 |
| 5704409 | Flexible mounting system for log debarking equipment A flexible mounting system principally developped for ring-type log debarkers comprises a combination of freely oscillating supporting links and weight compensating pneumatic devices, arranged in such a way as to allow the working tool assembly of the deb... | 01/06/1998 |
| 5704410 | Curtain rail and flower rack The present invention provides a rack that functions as a curtain rail guard or a flowerpot rack and is designed to be a Do-It-Yourself product. The rack includes a decorative front guard, two decorative side guards, several partition plates, several conn... | 01/06/1998 |
| 5704411 | Method and system for heating ingot for metal injection molding A method for heating a metal ingot for a injection molding comprising steps of finding out a time in advance relating to the time required for heating up to a set temperature in a test by using a thermocouple and a timer in a test furnace, of heating the ... | 01/06/1998 |
| 5704412 | Self-aligning sand mold insert assembly A retractable metal insert assembly for a core sand mold having at least one sand core element provided with walls to define an opening communicating with a molding cavity, the walls presenting a stepped neck which is dimensionally accurate within &#b1;0.... | 01/06/1998 |
| 5704413 | Rotary-mold gravity casting process A molten metal is poured into and stored in a hopper in a rotary-mold gravity casting process, so that a small amount of the molten metal is allowed to flow out of the hopper into a runner to previously fill up the runner. A casting mold is rotated from t... | 01/06/1998 |
| 5704414 | Device for supporting a side wall of an installation for the twin-roll continuous casting of metal strips The invention relates to a device for supporting a side wall (2) of an installation for the twin-roll continuous casting of thin metal products of the type including two cooled rolls (1) with horizontal axes, two side walls (2) applied against the sides (... | 01/06/1998 |
| 5704415 | Winding small tube apparatus and manufacturing method thereof The winding small tube apparatus comprises an extruded flat tubed strip having a plurality of openings leading to parallel lumens and a header for attaching to an end of this extruded flat tubed strip to cover the openings. Every other portion of the part... | 01/06/1998 |
| 5704416 | Two phase component cooler A two-phase liquid cooling system has a container structure that has at least one wall with sufficient flexibility that the wall expands as the coolant vapor expands thereby maintaining the internal container pressure substantially the same as the ambient... | 01/06/1998 |
| 5704417 | Perforated fin heat and mass transfer device A fluid heat exchange apparatus is disclosed that can be used as an absorber in an absorption cooling system. The compact absorber design uses an accordion fin assembly to direct solution downward through the absorber on a plurality of alternatively angle... | 01/06/1998 |
| 5704418 | Heat transfer device Heat transfer devices, particularly the radiators for internal-combustion engines of motor vehicles are provided with a fan shroud and a fan arrangement. In this case, the shroud must be adapted to the dimensions of the radiator in such a manner that it c... | 01/06/1998 |
| 5704419 | Air flow distribution in integrated circuit spot coolers A parallel plate heat sink, used in conjunction with an air moving device which provides an annular flow of air against the heat sink, is further provided with enhanced flow deflector means which selectively block potential exhaust paths so as to redirect... | 01/06/1998 |
| 5704420 | Finned tube heat exchanger A finned tube heat exchanger is disclosed in which the structure thereof is simple, and the heat exchanging performance is increased. The heat exchanger has a plurality of fin plates arranged in parallel with one another, and a plurality of heat exchanger... | 01/06/1998 |
| 5704421 | Air conditioner and heat exchanger used therefor A heat exchanger mounted in an air conditioner is constructed such that at least one row of heat conduction pipe groups are arranged across an air passage. Each heat conduction pipe group is constructed such that a plurality of heat conduction pipes 22 ar... | 01/06/1998 |
| 5704422 | Shrouded heat exchanger A heat exchanger is provided, including a tubular shell having an opening in one end thereof, an open-topped, side-slotted shroud mounted inside the shell, a bundle of tubes extending through the opening into the shroud, means for circulating a hot fluid ... | 01/06/1998 |
| 5704423 | Flat tube for heat exchanger A flat tube for a heat exchanger is disclosed. The flat tube is produced by assembling a main part made of a folded metal strip defining a flat side, two rounded ends and two side portions with two free edges, as well as a secondary part made of a metal s... | 01/06/1998 |
| 5704424 | Heat transfer tube having grooved inner surface and production method therefor The object of the present invention is to offer a heat transfer tube having a grooved inner surface, wherein the side edges of the board material do not form a waved shape and cracks do not form during tube expansion. In order to achieve this object, the ... | 01/06/1998 |
