Did You Know...
...In 1790, the cost to obtain a patent was between $4 and $5.
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 |
| 4341337 | Polygonal paperboard drum A polygonal paperboard drum that is formed from: a one-piece, upstanding, generally tubular, reinforcing member having at least six, foldably connected, substantially rectangular, upstanding, reinforcing flaps; and a one-piece body member having two sets ... | 07/27/1982 |
| 4341338 | Corrugated box bulk materials The invention comprises a corrugated container for high density bulk materials. The side walls of a box or inner tube for a box are formed from two separate corrugated pieces, connected by overlapping seams. Each overlapping piece has a free end which is ... | 07/27/1982 |
| 4341339 | Hollow wall tray and cover closure lock arrangement A closure arrangement for a hollow wall tray including a lid hinged to the rear wall and having depending therefrom a flange engagable with the inside of the front wall of the tray.... | 07/27/1982 |
| 4341340 | Container with infolded bottom closure This disclosure illustrates and describes a bottom closure structure for a liquid carrying, thermoplastic coated paperboard carton or container wherein the shapes of the four main bottom panels of the blank from which the carton is formed are such that th... | 07/27/1982 |
| 4341341 | Take out carton and blank for forming same A take out carton and a blank for forming the same is disclosed having a flat top portion and unique locking closure which provides additional stability for the carton. More particularly, a carton is disclosed having a tubular side wall and an auto-erecti... | 07/27/1982 |
| 4341342 | Centrifuge A centrifuge is provided with a rotor having a plurality of spaced arms each of which has formed integrally therewith stepped portions projecting towards adjacent arms. Tube rack carrying test tubes are each placed between adjacent arms and a centrifugal ... | 07/27/1982 |
| 4341343 | Magnetically driven centrifuge system A magnetically driven centrifuge system includes a centrifuge (2) carrying specimen tubes (10) extending radially therefrom and supporting a magnetic member (25). The centrifuge is arranged with a base (18) of the type having a rotating magnet, whereby th... | 07/27/1982 |
| 4341344 | Automatic draft controller A draft control plate, which automatically opens or closes to provide efficient draft conditions in a furnace, is provided with both horizontal and vertical counterbalance devices which respectively permit adjustment of the initial position of the plate a... | 07/27/1982 |
| 4341345 | Method and apparatus for power load shedding A method and apparatus for the control of power consumption in individual space-conditioning loads fed by an electric power network utilizes a commandable, programmable temperature control device which gradually, substantially continually changes the cont... | 07/27/1982 |
| 4341346 | Radiators for use in hot water central heating systems A radiator for use in hot water central heating systems is constructed from extruded aluminium alloy sections. One finned configuration of section having a tubular duct extending therethrough is used as the heat exchanger which interconnects the fluid flo... | 07/27/1982 |
| 4341347 | Electrostatic spraying of liquids Liquid is sprayed from a nozzle by subjecting it to a vortex air flow which breaks it into particles of about five to twenty microns, and, while the liquid particles are entrained in the liquid flow they pass by a needle shaped charging electrode extendin... | 07/27/1982 |
| 4341348 | Direct and indirect fragrance dispensing device A fragrance dispensing device to provide a fragrance or scent by direct or indirect means comprising a container to discharge a quantity of a suitable fragrance, such as a perfume or deodorizer, and a cover assembly for the container to permit direct disc... | 07/27/1982 |
| 4341349 | Apparatus for the damping of bulk material Apparatus for the damping of bulk material in which a liquid is to be sprayed into a falling stream of the material, the apparatus including an upright tubular shaft through which the material is to fall in a stream; a plate arranged coaxially below the l... | 07/27/1982 |
| 4341350 | Chemical injection system for high pressure washers The present invention relates to an improved immediate action chemical injection system for selectively adding a chemical solution to the high velocity water spray discharged by a high pressure water washer. A common supply conduit has an inlet end adapta... | 07/27/1982 |
| 4341351 | Outwardly opening poppet pintle nozzle A fuel injection nozzle of the outwardly opening poppet pintle type for use with internal combustion engines is provided which is economical to fabricate, assemble and recondition and which, at the same time, is capable of improved delivery and dispersion... | 07/27/1982 |
| 4341352 | Method of coal washing at low speed pumping A method of coal washing at low speed pumping using a centrifugal cyclone of circular cross section having a bowl of diameter B and fitted with a vortex finder, a vortex finder sleeve, a dish, an orifice at the bottom and an inlet near the top in which a ... | 07/27/1982 |
| 4341353 | Method and apparatus for recovering fuel and other resources from refuse utilizing disk screens Disk screens having various interface opening dimensions are combined with air classifiers and other refuse separating components to separate municipal and industrial refuse into a fuel fraction and other recyclable resource fractions, each having a low p... | 07/27/1982 |
| 4341354 | Device for cutting out and transporting a silage block A device for cutting out and transporting a silage block, comprising a main frame which may be connected to a tractor and which comprises an at least approximately horizontal cross-beam, which carries a plurality of parallel tines and to which an upstandi... | 07/27/1982 |
| 4341355 | Arrangement for support of contact elements for material treating applications A method and arrangement for support of contact elements for material treating applications are disclosed in which a hardenable liquid bonding material is flowed into a space provided between surface areas of support and contact elements, the material bei... | 07/27/1982 |
| 4341356 | Pulverizer A device is disclosed for use in pulverizing materials comprising a base, a hole in the base, a holder shaped to fit within the hole, and a pulverizer shaped to fit within the holder.... | 07/27/1982 |
| 4341357 | Winding core for magnetic tape adapted for stacking A flangeless winding core for magnetic tape, adapted for stacking between like winding cores, has an annular body with parallel top and bottom annular surfaces, an outer circumferential surface around which the tape is wound, and an inner circumferential ... | 07/27/1982 |
| 4341358 | Hub for magnetic tape A hub for magnetic tape having a recess formed in the peripheral part of the hub and a magnetic-tape clamp to be fitted into the recess comprises an upper rib having an outer surface with the same curvature as that of the hub; legs formed at both ends of ... | 07/27/1982 |
| 4341359 | Guide arrangement for a safety belt A guide device for a safety belt of a safety belt system for a motor vehicle. A delivery roll is provided from which and onto which the safety belt is wound in a region of the downstream deflector fitting, whereby the guide device, as viewed in a pull out... | 07/27/1982 |
| 4341360 | Locking means for safety belts A locking mechanism for safety belts of the reel belt type and provided with a strap webbing (3), which can be unwound from a strap reel and a pawl mechanism (8), which is changeable between a position releasing the strap reel and a locking position. The ... | 07/27/1982 |
| 4341361 | Yarn carrier for pressure kier An improved yarn package carrier for supporting packages of yarn in a pressure kier. The improved yarn package carrier comprises a circular base for being positioned within the kier adjacent its bottom and having an upper surface. The spindles are mounted... | 07/27/1982 |
| 4341362 | Anticipating servo controller for controlling magnetic tape movement in a tape cassette loader An electronic circuitry for regulating magnetic tape movement during loading of a predetermined length of tape paid out from a supply spool and wound into a tape cassette. The tension of the tape along its path of movement is controlled by a pair of vacuu... | 07/27/1982 |
| 4341363 | Tape tension control circuit A tape tension control circuit for a helical scan video tape recorder is disclosed having a pair of tension sensors. A sensor output from a take-up (supply) side sensor is fed back to a take-up (supply) reel motor when a pinch roller and a capstan are dri... | 07/27/1982 |
| 4341364 | Device for detecting irregular operative situations, particularly for tape decks A device for detecting irregular operative situations, particularly for tape decks, serves to detect the rotational state of one of the two discs only. In fact, the rotational state of only one of the two discs carrying the hub for the tape reels implies ... | 07/27/1982 |
| 4341365 | Video tape cassette A miniaturized video tape cassette having flangeless tape winding hubs. Each hub is composed of an inner drum loosely fitted within an outer drum with torque transmitted between the drums via arms extending from the inner drum and fitting into correspondi... | 07/27/1982 |
| 4341366 | Fishing reel clutch A fishing reel comprising a housing including frame members. A spool member is provided containing a spool shaft supported between the frame members. A pinion gear member is slidably mounted on and movably engagable with the spool shaft. A main gear membe... | 07/27/1982 |
| 4341367 | Roof mounted wire support A wire support including a U-shaped flat base portion with a support post carried by the flat base and extending perpendicularly from a plane defined by the support base, the support post having a wire engaging member provided at its upper end; the flat b... | 07/27/1982 |
| 4341368 | Mold A mold comprising an elongated hollow cylinder having at least two parts that can be locked to form said cylinder, a core having an inflatable cover, said inflatable cover having means to fix the cover on said core, an upper and lower seal for said core c... | 07/27/1982 |
| 4341369 | Expanding gate valve assembly A gate valve (10) has an expanding gate assembly (34) for reciprocal movement transversely of the flow passage (16, 18). The expanding gate assembly (34) includes a gate element (68) and complementary segment (70) which expand away from each other when th... | 07/27/1982 |
| 4341370 | High pressure, three stage, balanced valve A New Three Stage 15,000 p.s.i. Balanced Valve, controlling fluid flows and pressures equally well in either direction, giving dependable leak proof operation with a very low control force. The first stage acts to gradually cut off the flow as a metering pin e... | 07/27/1982 |
| 4341371 | Car ramp and supporting device There is disclosed an improved vehicle ramp and supporting device wherein said device utilizes a standard cinder or concrete construction block. The device includes a framework which comprises first and second brackets which are disposed along the longitu... | 07/27/1982 |
| 4341372 | Automatically meshing sheet winch The disclosed automatically meshing sheet winch has a drum to be driven either directly or indirectly through a reduction gear by a main shaft, and a rope guide which includes an internal gear operatively related to another internal gear formed on a fixed... | 07/27/1982 |
| 4341373 | Hydraulic well derrick with cable lifts As part of a well derrick system using pair of elongated hydraulic cylinders mounted on the derrick face for well pipe elevating, in which an equalizer beam bridges the cylinder ram heads to maintain equality of advance of the rams, the beam being pivoted... | 07/27/1982 |
| 4341374 | Water table with low profile conveyor system A water table and submersible conveyor system for use with an in-line material handling system, particularly a system in which the work is processed by burning, is disclosed. The water table includes opposing end walls whose top portions each define a sub... | 07/27/1982 |
| 4341375 | Dual vise for skis and the like A deliberately simple ski vise is provided which utilizes essential structural elements requiring only a minimum of machining. The vise is preferably used in conjunction with another identical vise to hold skis securely to a table top or other flat surfac... | 07/27/1982 |
| 4341376 | Sandwich assembling jig A jig with multiple units each for assembling and slicing two sandwiches at a time has a base with four upstanding walls for each unit surrounding a generally rectangular volume shaped to receive two pairs of bread slices and a filling between each pair. ... | 07/27/1982 |
