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| Number | Title | Issue Date |
| 4937090 | Method for cooking vegetables A method for cooking potatoes in hot water-vapor consists of disposing dried potatoes in non-overlapped, non-contacting relationship above a body of boiling water so as to expose them for about five minutes to a confined body of hot water vapor maintained... | 06/26/1990 |
| 4870358 | Angular position sensor and angular position determination means equipped with several of these sensors An angular position sensor for determining the relative angular position of two relatively rotatable ferromagnetic coaxial components, such as a rotor and stator. The components have the same number of regularly distributed teeth and the teeth in one comp... | 09/26/1989 |
| 4865073 | Liquid level control for refrigeration system A liquid level control in a refrigeration system operates a solenoid valve to maintain the level of liquid refrigerant in a vessel within a range defined by predetermined lower and upper liquid levels, sounds an alarm if the upper level is exceeded and st... | 09/12/1989 |
| 4865281 | One-piece non-rotatable wire retainer clip with pine-tree fastener A one-piece, molded plastic wire retainer clip is provided for supporting flexible, axially shiftable insulated electric wires on an automobile steering column. The clip comprises a flat base, a pine-tree fastener extending from the bottom of the base for... | 09/12/1989 |
| 4865280 | One-piece wire retainer clip with expandable fastener for securing elongated members to a structure A one-piece molded plastic wire retainer clip, comprising first and second sections joined by a flexible hinge, is provided for supporting flexible, axially shiftable insulated electric wires on an automobile steering column. The first section comprises a... | 09/12/1989 |
| 4856187 | Apparatus and methods for making terminated wire segments A wire feed mechanism alternately feeds a pair of parallel wire strands A and B through spaced-apart turret jaws on a rotatable turret, through a cutter-stripper head, through a wire gathering device and through spaced-apart conveyor clamps in a conveyor.... | 08/15/1989 |
| 4856366 | Connecting rod bearing assembly A refrigeration gas compressor comprises a piston reciprocably movable to effect gas compression, a motor-driven rotatable crankshaft, and a connecting rod between a crank pin on the crankshaft, and a wrist pin on the piston. A crank pin receiving hole an... | 08/15/1989 |
| 4857188 | Iron powder attracting magnet An iron powder attracting magnet, wherein a plurality of spaces are formed to open to an iron powder attracting surface and partitioned by a partition for attracting and removing iron powder contained in a fluid. The iron powder attracting magnet is made ... | 08/15/1989 |
| 4842237 | One-piece wire retainer clip mountable on threaded stud A one-piece wire retainer clip comprises a first tube axially slidable onto and frictionally engageable with a threaded stud on a structure. A pair of resiliently movable spaced-apart legs are connectd to the first tube and define a wire-receiving slot ha... | 06/27/1989 |
| 4838514 | Vehicle seat A vehicle seat frame assembly comprises a stationary support frame having two laterally spaced-apart side support plates attachable to a vehicle and on which is mounted a vertically movable seat frame which comprises a horizontal seat portion and a vertic... | 06/13/1989 |
| 4836710 | Underground tank with leak detection mechanism An underground tank having a leak detection mechanism, wherein a conduit is opened into a gap formed between an inner tank in which a fluid is to be contained and an outer tank covering the inner tank, a prescribed pressure of gas is applied to the gap th... | 06/06/1989 |
| 4836809 | Control means for marine propulsion system A marine vessel propulsion system includes port and starboard drive systems, each including an engine, an engine throttle, and a transmission furnishing drive power to a propeller on a drive shaft. Each transmission includes forward and reverse clutches, ... | 06/06/1989 |
| 4834916 | Apparatus for the dry storage of heat-emitting radioactive materials Apparatus is disclosed for the dry storage of heat-emitting radioactive waste materials. The latter are stored in tubes placed within a room having at least one cold air inlet and a hot air outlet. The distance between adjacent tubes and the distance betw... | 05/30/1989 |
| 4832551 | Fastener having press-on plastic nut A fastener for releasably securing an object to a panel having a hole therethrough comprises a screw having a screw head attached to the object and having a threaded screw shank insertable through the hole in the panel. The fastener further comprises a fl... | 05/23/1989 |
| 4825678 | Three-dimensional bending apparatus Apparatus for high speed, fully automatic and precise bending of a wire or rod in three dimensions and with the same or different bending radii or bending contours for each bend comprises a passive bending tool (16) having a wire-receiving passage thereth... | 05/02/1989 |
| 4823661 | Die assembly for punching holes in paper A die assembly for mounting in a die press operates to punch a row of holes in a stack of paper sheets in response to a single press stroke. The die assembly comprises a stationary lower die block having a row of die holes therethrough, one or more lubric... | 04/25/1989 |
| 4821970 | Impact crusher An impact crusher rotor comprises radially slotted discs secured to a shaft at axially spaced intervals and hammer bars releasably secured in the disc slots. A backup bar secured in a slot in every disc provides a keyed connection with a hammer bar, at it... | 04/18/1989 |
| 4819533 | Wire processing apparatus having pushbar and conveyor mechanisms Wire processing apparatus comprises a wire selector/feed mechanism for feeding a selected one of a plurality of different wire strands lengthwise into a wire insertion mechanism which then presents a wire segment severed by a wire cutter mechanism lateral... | 04/11/1989 |
| 4820375 | Screw type rod feeding and placement mechanism A rod feeding and placement mechanism for use in apparatus for making hanging file folders comprises a magazine wherein a plurality of flat, elongated, metal rods are vertically stacked, one above another. A pair of laterally spaced-apart, horizontally di... | 04/11/1989 |
| 4818329 | Apparatus for dispensing and applying tape A manually operable tape dispenser/applicator device is provided for applying pressure sensitive adhesive masking tape to a portion of the surface of an automobile body fascia which comprises a plurality of parallel grooves. The device comprises a rigid s... | 04/04/1989 |
| 4818383 | Apparatus and method for inspecting and grading samples of grain Apparatus and method for inspecting and grading a grain sample involves the use of a first tray having an upwardly-facing grooved surface on which kernels of grain can be arranged in rows for a first inspection. A second tray is placed on top of the first... | 04/04/1989 |
| 4815916 | Apparatus for raising a magnetizable object from a stack and for moving it away for further processing A plurality of magnetic elevator devices disposed along the sides of a vertical stack of magnetizable steel objects, such as sheets or rods, separates them and raises the uppermost one vertically. Sensing devices in a control system sense when the object ... | 03/28/1989 |
| 4814797 | Apparatus and method for controlling color dot size in multicolor image A multicolor image forming apparatus for forming a multicolor visual image on an image retainer, wherein latent images formed on the image retainer are successively developed on a color basis. The diameter of dots constituting the visual image of each col... | 03/21/1989 |
| 4814739 | Combination push/pull electric switch and circuit breaker The insulating housing of the device supports two spaced-apart stationary terminal/contact assemblies. A resilient, thermally-responsive, snap-acting, movable contact support member, which has a movable contact and a cam-follower thereon, is connected at ... | 03/21/1989 |
| 4811881 | Apparatus for supplying and installing plastic expansion rivets Apparatus is disclosed for supplying and installing plastic expansion rivets with breakaway mandrels in holes in a workpiece. It comprises a hand-held, trigger actuated, pneumatically-operated installation tool; a rivet-supply mechanism for supply rivets ... | 03/14/1989 |
| 4810148 | Drain bolt A drain bolt wherein a recess is formed at the end of a male-threaded portion of a bolt body, and a sinker portion of a synthetic resin magnet is embedded in the recess of the bolt body so that a projecting portion of the magnet is projected from the end ... | 03/07/1989 |
| 4807904 | Riding mower chassis having improved rear portion A riding mower chassis frame comprises a pair of identical beams extending along the chassis at its opposite sides. A one-piece channel-shaped member bridges the beams near the rear of the chassis to give the frame rigidity, provide for laterally swingabl... | 02/28/1989 |
| 4801125 | Valve body comprising sheet metal hemispheres and method for making same A large manually operated leak-proof corrosion-proof low-cost shut-off or stop valve for handling high pressure refrigerant liquid and/or gases is disclosed. The valve comprises a valve body formed of two sheet metal hemispheres electron-welded to the per... | 01/31/1989 |
| 4798496 | Underground tank with leak detection mechanism An underground tank having a leak detection mechanism, wherein a narrow gap is provided between an inner tank in which a liquid is to be contained and an outer tank covering the inner tank, a conduit is opened into the gap and a float is provided in the c... | 01/17/1989 |
| 4798023 | Method of controlling environmental conditions in the proximity of vegetation or crops with the aid of protective sheeting, protective sheeting for use in this method, and a protective device comprising sheeting A method for controlling the environmental conditions in the proximity of vegetation or crops in the cultivation of plants is described in which use is made of protective sheets comprising a large number of microperforations having each a protruded rim, s... | 01/17/1989 |
| 4796786 | Dispenser for paste-like products A dispenser for paste-like products consists of a dispensing head (1) and a cartridge (2) containing the paste-like product. The cartridge has its lower end closed by a follower piston slideable along the interior wall surface of the cartridge under actio... | 01/10/1989 |
| 4794963 | Method and apparatus for optimizing the cutting of raw boards into product boards An apparatus for optimizing the yield from a raw board, having defects randomly located therein, and for cutting the raw board optimally into product boards of predetermined specification, thereby cutting out any defects. The apparatus includes an adjusta... | 01/03/1989 |
| 4793386 | Apparatus and method using portable pump Apparatus and methods use a portable submersible pump to mix and fluidize waste material (sludge, liquid and floating crust) in a septic tank, to then pump it into a truck-mounted holding tank to recirculate it in the holding tank during transport, and to... | 12/27/1988 |
| 4792512 | Method of developing electrostatic images using two component developer and AC charging A charging method of an electrostatic image developer which makes it possible to electrically charge an insulating one-component developer or a two-component developer consisting of a toner and a carrier to a desired charged state and which comprises intr... | 12/20/1988 |
| 4790861 | Ashtray An ashtray having a small electrode and a large electrode. A high voltage is applied between the two electrodes so that ions are produced to ionize smoke particles, air is caused to flow from the small electrode to the large electrode and the ionized smok... | 12/13/1988 |
| 4789579 | Die-cut paint masking part A die-cut paint masking part for use in masking a curved corner surface of an object to be painted comprises a flexible, paint-impervious mask, a layer of pressure-sensitive adhesive material permanently adhering to the underside of the mask, and a remova... | 12/06/1988 |
| 4784550 | Two-piece fastener for releasably securing two panels together in spaced-apart fixed relationship A plastic re-usable two-piece push-pin stand-off fastener for releasably securing together two spaced-apart circuit boards comprises a hollow body having a body bore into which, for pre-assembly, a pin is insertable into the body bore prior to use. The pi... | 11/15/1988 |
| 4776737 | Re-usable two-piece blind fastener A re-usable two-piece fastener for releasably clamping two workpieces together comprises an expandable hollow plastic body for receiving an axially insertable and rotatable screw made of plastic or metal. The body comprises a slotted outwardly expandable ... | 10/11/1988 |
| 4770423 | Projectile for use in games A projectile adapted to be struck by a racquet or manually thrown in a game comprises a body portion and a relatively movable extendable/retractable vane portion mounted thereon. At the commencement of flight along a trajectory, the vanes in the vane port... | 09/13/1988 |
| 4762450 | Damage resistant plastic expansion nut and screw therefor A molded plastic one-piece hollow expansion nut comprises an outwardly expandable shank which is insertable through a panel hole and a head at one end of the shank for engaging the panel surface. A screw-receiving bore extends axially through the nut and ... | 08/09/1988 |
