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A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 5020939 | Irrigation method and apparatus Method and apparatus for drip irrigation having a water supply tank connected to a constant water level tank by a drain pipe having a drain opening. A supply tube extends from the constant water level tank and is connected to a supply tank with an open to... | 06/04/1991 |
| 5007769 | Method and device for attaching a removable guide post A guide base has at its corners, bolted on transition pieces, each having an outwardly projecting nose with a downwardly sloping bottom surface. A guide post connectable to the guide base has a cavity of a shape corresponding to the shape of the nose. Dur... | 04/16/1991 |
| 5005621 | Method, system, and apparatus for debarking roundwood A rotating drum debarker is provided which includes a conveyor chute to feed logs to the drum. The drum includes lifters and reinforcing rings. The improvement in drum design is obtained where the reinforcing ring at the inlet and/or outlet of the drum ha... | 04/09/1991 |
| 4986568 | Vehicle suspension with variable damping A suspension with variable damping or variable shock absorbing which permits varying the damping as a function of various parameters such as the speed, the height, or steering angle of the wheels. An anti-inclination or stabilizer bar is connected to the ... | 01/22/1991 |
| 4969513 | High pressure automatic kelly valve A mud saver valve for automatically closing to prevent loss and spilling of drilling mud. The valve contains a diaphragm, rigid backup means and diaphragm support means so that the valve can be used in high pressure wells.... | 11/13/1990 |
| 4962606 | Hammer safety for firearms A safety mechanism in which a striker on the hammer can hit the firing pin to discharge the firearm only when the trigger is intentionally pulled and the pull on the trigger is maintained. The striker can move on the hammer and is pushed to the firing pos... | 10/16/1990 |
| 4903436 | Guide for a sliding window A guide arrangement for a sliding window of a vehicle includes a generally "U" shaped guide rail secured in a frame of the window opening and a runner slidable in said guide rail and which straddles and is fixed to the an edge of the window. The runner ha... | 02/27/1990 |
| 4815274 | Exhaust systems for multi-cylinder internal combustion engines An exhaust system for a multi-cylinder internal combustion engine has a tailpipe (13) which is divided by a partitioning wall or walls (14,15) into separate channels extending at least part-way of the tailpipe from its inlet end and with which the outlets... | 03/28/1989 |
| 4790046 | Windshield wiper device with a non-circular sweeping motion A windshield wiper device with a non-circular sweeping motion, comprises an arm carrying a blade which is caused to oscillate alternately about an axis of rotation by a drive mechanism, combined with a movement of translation such that the windshield wipe... | 12/13/1988 |
| 4718017 | Method of producing a pattern-bearing article A method is provided for the automatic generation of maze-like patterns for application to two-dimensional surfaces and three-dimensional objects. The directions of successive incremental steps of a continuous solution path through the maze are stored in ... | 01/05/1988 |
| 4713046 | Circular machine for automatic manufacturing of display boxes The invention relates to the Cardboard Industry. More specially it relates to a machine for manufacturing of display packages of the type comprising an opening straddling at least one edge and which is closed by a stiff, transparent sheet of plastic mater... | 12/15/1987 |
| 4708294 | Method and apparatus for conditioning the floor of a poultry rearing area The floor of a poultry rearing area is conditioned for reuse for raising a new batch of chicks, by revitalizing the litter and droppings on the floor of the area. This a accomplished by scraping the litter from the floor with an elongated blade, so that t... | 11/24/1987 |
| 4706458 | Hydraulic system for controlling motor vehicle lifts in general A hydraulic system for lifts provided with two independently supported parallel platforms comprises at least two cylinder-piston units (80, 81) for raising the platforms, a metering device (7) for feeding identical quantities of fluid to said two units, a... | 11/17/1987 |
| 4706483 | Method and device for finishing by burnishing of a helical thread cut on a cylindrical component In accordance with the invention, a wheel (16) is used as the burnishing wheel for a helical thread, the periphery of which wheel has a profile whose shape matches that of the thread to be surfaced. The wheel (16) is mounted such that it rotates freely ab... | 11/17/1987 |
| 4690406 | Variable balance racket A variable balance racket has a weight moveable from an inactive or rest position near the grip of the handle to an active position adjacent the head of the racket to increase the striking force of the head. The weight can be moved to the active position ... | 09/01/1987 |
| 4685339 | Soil sample taker and vehicle mounting arrangement A soil sampler to be mounted on a vehicle such as a pick-up truck, has a frame for mounting on the vehicle and a vertical hydraulic cylinder connected at its upper end to the frame. A sample taking probe is connected to the rod of the cylinder which drive... | 08/11/1987 |
| 4686501 | Electromagnetic actuator comprising at least two distinct magnetic circuits An electromagnetic actuator comprises two armatures which are relatively movable to define a stroke and which form a main magnetic circuit the reluctance of which is variable between the ends of the stroke. A secondary magnetic circuit is formed between t... | 08/11/1987 |
| 4685216 | Arch door marking gauge A cabinet maker's arch door or crown door marking gauge has side members attachable to a work table of a table saw or shaper. A spring band is held on the side members so that opposite sides of the band are perpendicular to the sides of a panel to be mark... | 08/11/1987 |
| 4683785 | Method of cutting a worm screw and a worm screw obtained by the said method A worm screw has two threaded portions of opposite hand cut on a single shaft, using a lathe. Several passes of the cutting tool are used to form each of these threaded portions, and in order to provide a compact and robust worm screw of this type the two... | 08/04/1987 |
| 4681350 | Quick coupling connection for hoses An instant coupling comprises a male element and a female element which are locked together by two teeth (19) supported by flexible strips (18), which are normally in the disengagement position but urged into the engagement position by the action of an ax... | 07/21/1987 |
| 4679270 | Wash brush operated by the wash water The wash brush comprises a pan-shaped casing (1) provided with a tangential water nozzle (18), a coaxial bladed impeller (14, 16), and two concentric brushes (3, 4) of which the outer one (3) is fixed and the other (4) rotates, the impeller (14, 16) being... | 07/14/1987 |
| 4677333 | Brush holder mountable in recess of peripheral wall of electric machine The brush holder for an electric machine, which may be either a motor or a generator, and comprises a stator and a rotor provided with a collector ring against which there bears at least one electrically conductive carbon brush, in a housing of the brush ... | 06/30/1987 |
| 4674154 | Electric knife, particularly for opening oysters An electric oyster knife has a case (1), a blade holder (12) with a blade (13) slidably longitudinally between outer and inner positions with respect to the case, an electromagnet (2) mounted in the case for oscillating the blade holder between its two po... | 06/23/1987 |
| 4670947 | Hidden clasp for a bracelet, particularly for a wrist-watch A bracelet or wrist watch clasp which is completely hidden when closed. Studs having enlarged heads project from a central body which engages the wrist. Side legs are hinged to each end of a central body to swing to a closed position on the body. Each let... | 06/09/1987 |
| 4671099 | Device for measuring the thermodynamic characteristics of a fluid An enclosure 1 has a measurably variable volume chamber 2, a control for controlling the temperature of the fluid contained therein and apparatus for measuring the pressure of the fluid. The chamber is selectively connectable, on the one hand, to a fillin... | 06/09/1987 |
| 4667925 | Quick coupling hose connection with double acting backflow preventing valve An instant coupling comprises a male element (9) and a female element (1) which comprises a chamber (4) containing a valve (5) provided with a first sealing surface (10) which, when pressurized water is present, rests against a seat (12) and shuts-off wat... | 05/26/1987 |
| 4667495 | Key with movable plunger, security barrel for said key, and a lock equipped with such a barrel A key comprises a key body provided with at least one translatably movable plunger able to be displaced in a housing provided in the key, the plunger being intended to co-operate with a positioning member provided in the recess of a rotor so as to project... | 05/26/1987 |
| 4664648 | Method and apparatus for making display boxes This invention relates to a display box of the kind comprising a part of an opaque material such as cardboard and an opening overlapping or straddling at least one edge of the box and which is shut off by a sheet of a plastics material. According to the i... | 05/12/1987 |
| 4659162 | Multiple contact connector casing and device for locking contact carrier in casing An insulating contact carrier block is immobilized and locked in a corresding cavity of an electrical connector casing by at least one, and preferably two elastic clips. The clips are disposed respectively between the ends of the contact carrier block an... | 04/21/1987 |
| 4654619 | Module for the protection of multiwire lines against overvoltages A module for the protection of multiwire lines against overvoltages comprises a casing formed by a receptable and a terminal carrier plate. The terminal carrier plate comprises a pair of terminals for each wire of the multiwire line, and an earth terminal... | 03/31/1987 |
| 4650589 | Process for decoloring substances colored by tetrapyrrole compounds Blood products and other substances colored by tetrapyrrole compounds such as porphyrins or metalloporphyrins, in an aqueous solution, are decolored by contacting the aqueous solution with an adsorbent selected from among alumina, magnesia, and magnesium ... | 03/17/1987 |
| 4647171 | Fully automatic diaphragm control interchangeable lens An interchangeable variable aperture lens can be used as an automatic lens with a camera body using digital signal control and with a camera body using analog signal control, and as a manual lens. The lens has both digital and analogue circuits for provid... | 03/03/1987 |
| 4644616 | Safety belt buckle device with automatic unlocking The device comprises automatic unlocking means for a fastening member connected to the belt and actuating means for the unlocking which are sensitive to a parameter of the state of a movable structure in which the safety belt is installed. The automatic u... | 02/24/1987 |
| 4641679 | Feed device for a two-phase fluid pump and a hydrocarbon producing installation with such feed device A feed device for a two-phase fluid pump enabling the pump to be supplied with a two-phase fluid having characteristics, especially the volumetric ratio of the gaseous phase to the liquid phase, compatible with the operating characteristics of the pump. T... | 02/10/1987 |
| 4637759 | Method for forming a moisture barrier in a soil containing soluble salts The invention provides a method for improving the nature of soil in a salty land not suitable for agriculture by forming a moisture barrier in the soil with formation of a water-impermeable layer of soil underground. The method comprises sprinkling a wate... | 01/20/1987 |
| 4636162 | Apparatus for making a tubular sheath of plastic material Apparatus for making a tubular plastic sheath having one or more imperforate panels around the periphery of the sheath with intervening plastic net connecting the imperforate panels, the apparatus including an extruder, perforating means and stretching me... | 01/13/1987 |
| 4632083 | Injection unit for internal combustion engines fed with gaseous fuels such as liquefied petroleum gas or methane A gaseous fuel injection unit for internal combustion engines fed with gaseous fuel such as liquefied petroleum gas or methane, comprises at least one volumetric measuring device (7) arranged to feed during each engine cycle a determined volume related to... | 12/30/1986 |
| 4624536 | Four component zoom lens A zoom lens in which two pairs of optical elements of the lens are each movable simultaneously relative to each other to attain desired magnification while maintaining the image surface of the lens system substantially fixed. A common body supporting both... | 11/25/1986 |
| 4622711 | Rocker arm windscreen wiper system mounted on a blade by means of an adapter In accordance with the invention, the armature (17) of the windscreen wiper blade is caused to rotate in an alternating manner by a blade support arm (1) by means of a rocker arm (6) articulated on the arm (1) and on a rocker arm control member (16) which... | 11/18/1986 |
| 4621389 | Windscreen wiper device A windscreen wiper device, in particular for a single blade or double blade assembly, comprises for at least one of the blades, firstly a main wiper arm articulated at one end on a hinge pin, this main wiper arm being provided at its other end with a rock... | 11/11/1986 |
