"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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 |
| 5275248 | Power operated wheelchair A power-driven and steered wheelchair comprises a pair of ground-engaging wheels mounted in laterally-spaced relationship to a frame carrying a seat for an occupant and supporting the power source and a transaxle transmission for imparting parting both dr... | 01/04/1994 |
| 5275249 | Raisable hood plate mechanism A raisable hood plate mechanism for a vehicle hood comprises a pair of large plates laterally spaced in separate centered openings on opposite sides of the hood. The plates are pivotable along front edges and raisable at rear edges to provide rear-facing ... | 01/04/1994 |
| 5275250 | Vehicle steering control device The vehicle steering control device comprises a steering control member actuatable by the driver and a slaving device comprising two sensors each supplying a detection signal representative, respectively, of the angular position of the vehicle's steerable... | 01/04/1994 |
| 5275251 | Full hydraulic steering system compensating for steering angle error A hydraulic steering system having apparatus for compensating for steering angle error. On displacement of a steering handwheel, the steering handwheel angle, the steering motor angle and the steering handwheel speed are ascertained. The fluid flow betwee... | 01/04/1994 |
| 5275252 | Part-time transfer case with traction control The present invention provides a motor vehicle traction control system for providing on-demand four-wheel drive under certain tractive and operational conditions. The traction control system permits the vehicle operator to choose between operation in the ... | 01/04/1994 |
| 5275253 | Part-time transfer case with traction control The present invention provides a motor vehicle traction control system for providing on-demand four-wheel drive under certain tractive and operational conditions. The present invention is operable for disabling the on-demand four-wheel drive feature upon ... | 01/04/1994 |
| 5275254 | Control system for four-wheel drive vehicle A control system for a four-wheel drive vehicle includes a first differential provided between a front shaft and a rear shaft and a second differential provided between a right wheel and a left wheel. The control system comprises a first device provided i... | 01/04/1994 |
| 5275255 | Integrated controls and seating configuration for reach-fork vehicles The present invention features an integrated control and seating system for a material handling vehicle. The system includes a pair of control handles integrated into the control arms within an operator's compartment. Additionally, the operator seat can b... | 01/04/1994 |
| 5275256 | Ladder carriage apparatus An apparatus having first and second floor plates defining a floor opening to receive a ladder therethrough is provided, with the floor plates having first and second side plates mounted to opposed ends of the floor plates, with the side plates arranged i... | 01/04/1994 |
| 5275257 | Portable nature stand A portable nature stand having a seat which can be turned through three hundred and sixty degrees, a platform, and one or more ladder sections connected to and extending downwardly from the platform at an acute angle to the upper surface of the platform.... | 01/04/1994 |
| 5275258 | Apparatus for detecting bearing-seizing conditions in a reciprocating machine Apparatus for detecting degradation of the lubrication conditions of smooth bearings connecting a crank shaft to a connecting rod or connecting the crank shaft to the body of a machine that reciprocates in operation, lubrication being provided by oil circ... | 01/04/1994 |
| 5275259 | In-line skate brake system An in-line skate braking system for braking of an individual on in-line skates by transferring the center of gravity about the rear roller to frictionally engage a brake pad of one in-line skate or both in-line skates against the ground. The brake pad is ... | 01/04/1994 |
| 5275260 | Dual mode drum brake assembly A dual mode drum brake assembly having an improved duo-servo parking and emergency brake lever mechanism includes a pivot lever pivotally supported relative to a first brake shoe and operatively coupled to exert an outward force on the first brake shoe wh... | 01/04/1994 |
| 5275261 | Electromagnetic brake/clutch device An electromagnetic brake/clutch device includes a drive shaft supported by at least one bearing for transmitting torque, a housing, affixed to prevent its rotation, surrounding the drive shaft, and an electromagnetically activated device within the housin... | 01/04/1994 |
| 5275262 | Pedal parking brake device A pedal parking brake device makes it possible to provide a brake retaining state at the maximum braking position. The pedal parking brake device performs a rotational locking of a brake pedal by a coil spring provided at a rotatably supporting position o... | 01/04/1994 |
| 5275263 | Brake block shoe and method for its manufacture The back and the braking body of the brake shoe are both formed as cast iron elements. The brake shoe, mainly consisting of molded parts, allows a particularly rational manufacture by casting operations or as a composite casting in one and the same castin... | 01/04/1994 |
| 5275264 | Setting shock absorber for cycles A shock absorber for cycles which is adapted to be coupled to the fork of a cycle frame and is provided with an oil circulation system which is controlled by the driver through a lever which controls a stabilizing spring controlling the oil flow from one ... | 01/04/1994 |
| 5275265 | Brake-booster with modulated reaction The invention relates to a brake-booster (10) of a vehicle, comprising a casing (12) and a diaphragm (14) which divides in a sealed manner the interior of the casing into a front chamber (16) and a back chamber (18), a hollow piston (20) movable in the ca... | 01/04/1994 |
| 5275266 | Double clutch change-speed gearbox for motor vehicles In a double clutch change-speed gearbox for motor vehicles with two simultaneously and oppositely controlled clutches (KA, KS), one of the higher gear stages is connected, as the selected gear, to one clutch (KS) and the other gear stages can be connected... | 01/04/1994 |
| 5275267 | Closed loop launch and creep control for automatic clutch with robust algorithm An automatic clutch controller for a vehicle that reduces the oscillatory response to clutch engagement. The automatic clutch controller receives inputs from an engine speed sensor and a transmission input speed sensor and develops a clutch actuation sign... | 01/04/1994 |
| 5275268 | Multiple disc type engaging device A multiple disc type engaging device which includes a rotatable member having a cylindrical outer surface and a hub with a cylindrical barrel portion coaxially arranged with respect to the cylindrical outer surface. The cylindrical barrel portion has at o... | 01/04/1994 |
| 5275269 | Combined drive pulley and rotor shaft support for a refrigerant compressor A bearing arrangement for an air conditioning compressor comprising a compound bearing assembly that is adapted to journal a drive pulley and electromagnetic clutch assembly wherein the bearing assembly is adapted to distribute loads on the rotor shaft fo... | 01/04/1994 |
| 5275270 | Handrail for escalators, moving walkways and the like and a process for its production Handrails for escalators, moving walkways and the like consist of an endless, flexible strip (1) with a gripping region (2) and guiding regions (4) which, in operation, slide on a fixed guideway, and steel cables which are embedded in the strip (1) and se... | 01/04/1994 |
| 5275271 | Feeding/storing apparatus for rod-shaped articles A circular-arc shaped movable conveyor is horizontally turned along a circular-arc orbital path of a stationary conveyor according to the difference between he feeding-in amount from feeding-in port to the movable conveyor and the feeding-out amount from ... | 01/04/1994 |
| 5275272 | Conveyor system with article diverting mechanism A conveying system includes a transport conveyor and a diverter mechanism disposed thereabove for pushing articles transversely off the transport conveyor. The diverter mechanism includes a belt having paddles projecting therefrom. The belt is periodicall... | 01/04/1994 |
| 5275273 | Track intersection pin guide A non-powered, self-position-adjusting track intersection pin guide, or switch, is provided having a plate member that pivots in the plane of the crossing guide tracks that move article diverter shoes of a positive displacement sortation conveyor in a pre... | 01/04/1994 |
| 5275274 | Apparatus for doffing bobbin tubes from support members An apparatus for doffing textile bobbin tubes from tube support members having posts projecting therefrom for supporting tubes thereon as the tube support members are conveyed along a transport path by a transport device with the tube support members bein... | 01/04/1994 |
| 5275275 | Method of transferring products between continuously-moving conveyors Products fed by a first conveyor at substantially constant speed along a first substantially circular path and inside respective first seats are transferred successively into respective second seats on a second conveyor by which each second seat is advanc... | 01/04/1994 |
| 5275277 | Novelty drinking glass A drinking glass includes a side wall having a transparent circuitous path directed therealong extending from entrance of the drinking glass to a second position in adjacency to a floor portion of the drinking glass to indicate fluid level within the drin... | 01/04/1994 |
| 5275278 | Golf club shaft protector A golf club shaft protector is disclosed as including a hollow plastic tube of predetermined diameter and length with open upper and lower ends. The length of the hollow plastic tube substantially corresponds to the length of a golf club shaft and can be ... | 01/04/1994 |
| 5275279 | Shipping container for an outboard motor A container for storing and shipping outboard motors horizontally. The motor attaches to an H-frame by screwing the bolts on the stern bracket to a cross bar. Vertical cleats attach to the sides of a corrugated paperboard carton, and the cleats guide the ... | 01/04/1994 |
| 5275280 | Device and method of removal and storage of syringe needle A method and device (10) is provided for safely removing a needle from the barrel of a syringe and for protectively storing the needle. A housing (16) contains V-shaped jaws (26) which are resiliently hinged, lined with a face of rubber or other gripping ... | 01/04/1994 |
| 5275281 | Micrometer organizing and protecting device A plate-like device has six recesses in its top surface for holding in face up relation a set of six commonly used micrometers of from 0-25.4 mm (0-1") through 127.0-152.4 mm (5-6"). The width and length dimensions of the holder are approximately 187.325 ... | 01/04/1994 |
| 5275282 | Document holder A document holder comprising a slotted open-ended sleeve dimensioned to permit facile insertion and removal of a medial length of rolled document thereinto and therefrom through its slot, and to retain the document in a rolled configuration of predetermin... | 01/04/1994 |
| 5275283 | Container for light-sensitive strip materials having improved light sealing means In a container for a roll of a light-sensitive strip material having a core on which the light-sensitive strip material is coiled to form a roll, an opening for drawing out the light-sensitive strip material and a teremp cloth provided on the above openin... | 01/04/1994 |
| 5275284 | Bandage and packaging therefor A prepackaged adhesive bandage in a protective envelope includes a semi-rigid backing strip adhered to the bandage, and a flexible backing interconnected between the bandage and the envelope seam. The semi-rigid strip is manipulated to penetrate the envel... | 01/04/1994 |
| 5275285 | Business card holder with sound generating microchip A business card holder, which can be used to hold business cards and actively draw the attention of a recipient to the card by emitting sounds upon the unfolding of the business card holder. The business card is held inside the holder and a sound emitting... | 01/04/1994 |
| 5275286 | Photo display package A package is provided for sorting photo prints and films and for assembling and displaying the prints. The package has a cover with an inside face, a top edge, a bottom edge, and first and second side edges. The cover may be opened and closed about a cent... | 01/04/1994 |
| 5275287 | Closures A molded screw-threaded plastics closure has depending from the underside of the top an annular sealing portion spaced inward of the skirt. The sealing portion includes a plug part with a sealing rib for engaging the internal surface of the neck of a cont... | 01/04/1994 |
| 5275288 | Cake rack The present invention is a wire cake rack for supporting either tubular or rectangular cakes while they cool. The wire cake rack can be either a round cake rack for supporting tubular cakes, e.g. Bundt cakes or a rectangular cake rack for supporting recta... | 01/04/1994 |