A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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 |
| 4407011 | Integrated lighting systems for suspended ceilings or the like In an integrated suspension ceiling it is disclosed in which a fluorescent tube type lighting fixture is supported from an directly over a runner forming a part of the grid of the ceiling system. The runner is provided with a central web and oppositely ex... | 09/27/1983 |
| 4378127 | Rack and shell combination for pickup truck A rack is disclosed which is adapted to be installed in combination with a shell in the bed of a pickup truck. The rack comprises two opposed sets of upright posts. Each set of posts is adapted to extend in a plane generally parallel to the sidewall of th... | 03/29/1983 |
| 4378507 | Emergency power shutdown system for educational laboratory The emergency power shutdown system is especially adapted for use in an educational laboratory containing a plurality of items of potentially dangerous educational equipment. The system includes a portable transmitter unit adapted to be carried by the ins... | 03/29/1983 |
| 4377838 | Electrostatic spray gun apparatus A hand-manipulable electrostatic spray gun is disclosed which is one requiring no electric cable attached to it. Within the hand-manipulable spray gun an air turbine is driven at high speed in the order of 60,000 rpm and drives directly an alternator to g... | 03/22/1983 |
| 4377787 | System for measuring state of charge of storage battery A system for measuring the state of charge of a storage battery is disclosed which corrects charging and discharge electrical quantities of the battery in view of temperature and charging efficiency of the battery, and the like to precisely measure the st... | 03/22/1983 |
| 4377695 | ω-(2-Oxo-benzazolinyl)-alkanoic acid derivatives The present invention refers to new ω-(2-oxo-benzazolinyl)-alkanoic acids as well as salts and esters thereof having the general formula I ##STR1## and having antiinflammatory, analgesic and antithrombotic activity.... | 03/22/1983 |
| 4377158 | Method and monitor for voice fluency Electronic apparatus is disclosed which is usable to determine the fluency of a person's speech. This apparatus may monitor a dialogue directly, may be connected to a telephone to monitor a dialogue, or may be connceted to be responsive to a recording of ... | 03/22/1983 |
| 4377108 | Coffee-making machine A device for separating coffee grounds from rinse water is disposed beneath a drain pipe of the coffee-making machine. This device comprises a tubular jacket having on the top side thereof an inlet opening for admitting rinse water containing coffee groun... | 03/22/1983 |
| 4375742 | Roof insulation support system An insulation system is disclosed for installing insulation in existing metal buildings. The system includes extruded hat-shaped support members having a central wall portion mounted on the lower flange of the building purlins with screw fasteners or the ... | 03/08/1983 |
| 4375314 | Infrared optical fiber An optical fiber for infrared transmission constructed by winding a cladding around a core in the manner of a coil, the cladding having a refractive index lower than that of the core, a protective tube being employed to jacket the clad core.... | 03/01/1983 |
| 4374320 | Motorized oven door latch and control circuit for same An L-shaped hooked end of a latch rod, rotatably supported by a range body, engages a door-supported cam surface as the rod is rotated on its longitudinal axis by a motor to effect oven door locking. The cam surface is fixed at and radially spaced from th... | 02/15/1983 |
| 4374168 | Metalworking lubrication Oil-type, deep drawing lubricants for use primarily on ferrous sheet metal surfaces and the like may consist essentially of a dispersion of from about 2 to 20 parts by weight of a high viscosity liquid polar lubricant dispersed as a discontinuous phase in... | 02/15/1983 |
| 4372652 | Laminated gage glass assembly A gage glass assembly can be mounted in a standard pipe joint flange and has a sleeve with an inturned flange at the outer end and an outwardly extending flange at the inner end. A pair of cylindrical lenses inside the sleeve are interspaced by a plastic ... | 02/08/1983 |
| 4372896 | Device adapted to correct the air-fuel ratio of the mixture delivered by a carburetor during the periods of operation at low loads of a motor vehicle engine A correction device for correcting the air-fuel ratio of the mixture deli vered by a carburetor is described; the device comprises a first channel communicating, at one end, with a gasoline delivering circuit and with the atmosphere, respectively, through... | 02/08/1983 |
| 4372545 | Shock absorber for a vehicle with a flexible suspension The invention relates to a shock absorber mounted between a suspended part and an unsuspended part of a vehicle and specifically a telescopic hydraulic shock absorber comprising a damping piston slidingly mounted in a cylinder. A compensation piston coope... | 02/08/1983 |
| 4371211 | Tunnel boring machine and method of operating same A tunneling machine adapted to cut tunnels on a continuous basis and to apply continuous pressure on the tunnel face even during repositioning of the gripping legs is disclosed. The machine includes at least two supporting frames having a plurality of ext... | 02/01/1983 |
| 4371201 | Reversing ratchet door closer A reversing ratchet lever assembly for driving a bolt or other threaded element to be turned selectively in clockwise and counterclockwise directions about a lever axis. The assembly has a housing that defines a bore coaxial with the lever axis and that r... | 02/01/1983 |
| 4370995 | Method and apparatus for prenotching a pipeline The wall of a pipe is prepared for a subsequent cutting operation by a double-edged shear plate, by cutting axially spaced circumferential notches in such wall with a flexible strand cutter capable of operating in the limited confines of a housing designe... | 02/01/1983 |
| 4371402 | Process for preparation of fructose-containing solid sugar This invention is directed to a process for obtaining fructose-containing solid sugar from fructose-containing liquid sugar by the steps of dehydration, aging and solidification. In the step of dehydration, fructose-containing liquid sugar is brought in t... | 02/01/1983 |
| 4371202 | Laminated clevis pin The invention relates to a clevis structure having transverse pins for a universal coupling effect. The structure is an assembly of mechanically interlocking components which can be individually fabricated and releasably joined without load carrying faste... | 02/01/1983 |
| 4370104 | Suction muffler for refrigeration compressor A hermetic refrigeration compressor includes a suction muffler formed from two pieces of plastic material mounted on the cylinder housing. One piece is cylindrical in shape with an end wall having an aperture for receiving a suction tube connected to the ... | 01/25/1983 |
| 4369786 | Refastenable adhesive closure for disposable diapers or briefs A refastenable diaper tab of Y-configuration is provided by forming the user end of the principal tab substrate as a pair of half-tab parts which can be separately deployed, fastened, and unfastened.... | 01/25/1983 |
| 4369223 | Preimpregnated materials comprising visible-light curing systems and methods of making and using them A preimpregnated material has a reinforcement substrate impregnated with a thermoset resin mix which includes an initiator susceptible to light in the visible range. The material has cover films in the conventional manner but at least one of them is opaqu... | 01/18/1983 |
| 4369403 | Power factor controller for induction motor An AC induction motor for driving a varying mechanical load is powered via a Triac switch electrically inserted in series with the motor and its AC supply. A low ohmic value resistor, also in series with the motor, continuously samples the load current. W... | 01/18/1983 |
| 4368486 | Television system using a marking code superimposed on the picture Television system using a marking code superimposed on a picture. According to the invention, this code is constituted by a strip located in the right-hand part of the picture and formed by a periodic sequence of white and black areas constituting a clock and ... | 01/11/1983 |
| 4365767 | Apparatus for laminating and coiling insulation blankets A tensioning and compression apparatus is disclosed for systems for laminating facing on insulation mats and for coiling the laminate. The system includes a powered roll around which the blanket is coiled and a tensioning and compression roll which engage... | 12/28/1982 |
| 4364899 | Assembly for passage through a containment slab for transferring irradiated nuclear fuel The invention relates to an assembly for passage through a containment slab for transferring irradiated nuclear fuel, comprising a sleeve passing through the slab and fast therewith and a guide ramp passing through the sleeve and in which moves a handling... | 12/21/1982 |
| 4364877 | Process for producing fritted alumina members A process for producing fritted alumina members having a high optical transparency and a high mechanical strength of the type involving the production of the members from a high purity alumina powder to which has been added an organic binder and a small p... | 12/21/1982 |
| 4365011 | Process for preparing pieces composed of solid electrolyte based on stabilized zircon and to pieces obtained by this process The invention relates to a process for preparing pieces of solid electrolyte based on stabilized zircon having an improved conductivity due to the addition of Al2 O3. According to the process, an alcoholic solution is prepared of a s... | 12/21/1982 |
| 4363368 | Medical patient weighing scale A medical patient weighing scale is disclosed which comprises an elongated, flat, rigid pan, a plurality of thin, electronic bending beam load cells mounted in the pan, and a rigid, elongated, flat cover freely supported on the load cells. The cover is of... | 12/14/1982 |
| 4362953 | Electronically regulated electromechanical appliance control A rotating cam member incrementally moves through a discrete plurality of angular positions to sequentially actuate in a predetermined pattern an array of switches controlling, for example, the operation cycles of a domestic appliance such as an automatic... | 12/07/1982 |
| 4362907 | Combination automobile sun visor and radio and speaker assembly A combination automobile sun visor and radio and speaker assembly for use in automobiles and other motor vehicles, to be mounted above the windshield in place of a conventional sun visor. The assembly comprises a thin, flat, bidirectional speaker assembly... | 12/07/1982 |
| 4361386 | Electrolytic display cell Electrolytic display cell comprising, between two electrodes of appropriate shapes, a liquid electrolyte containing metal ions, wherein said electrolyte comprises ions of a first metal and ions of a second metal, said first and second metals having simila... | 11/30/1982 |
| 4360990 | Method and apparatus for decorative etching of surfaces Method and apparatus for decorating by selective etching of a sheet of glass or other etchable workpiece with a stream of high velocity abrasive particles that strike against a surface portion to be etched. The workpiece is supported on a stand over an op... | 11/30/1982 |
| 4360775 | Machine for testing planar magnetic film with magnetic bubbles Machine for testing planar magnetic film with magnetic bubbles and which comprises a testing device and a magnetic head, wherein the magnetic head incorporates two polarization coils in the Helmholtz position and whereof the common axis is normal to the p... | 11/23/1982 |
| 4360733 | Window assembly for a deep well scintillation detector A circular glass window in the form of a shallow, truncated cone having parallel faces is nested within and equidistantly spaced from a metal retaining ring defining at its inner periphery a shallow, tapered, smooth-wall bore having a sloped sidewall to w... | 11/23/1982 |
| 4360493 | Flexible corrugated rubber tubing of dual composition A method for making flexible, corrugated rubber tubing of dual composition from two extruded sleeves of uncured rubber. The inner diameter of one of the sleeves is approximately equal to the outer diameter of the other sleeve. The first sleeve is slid axi... | 11/23/1982 |
| 4358458 | Tertiary imidazolyl alcohols and method for the treatment of generalized and local infections caused by fungi and yeasts The present invention is directed to new tertiary imidazolyl alcohols having the general formula (I) ##STR1## and to their pharmacologically acceptable acid addition salts with usual acids. The invention is further directed to a method for the treatm... | 11/09/1982 |
| 4357962 | Method and apparatus for producing tubular article A method and apparatus are disclosed for producing a composite pipe for handling destructive materials under pressure and vacuum conditions. The pipe includes a tubular liner formed of thermoplastic material capable of withstanding the destructive materia... | 11/09/1982 |
| 4357822 | Crimping collet A collet assembly for a hose crimping tool is disclosed in which rigid metal jaw elements are encircled by and locked within a separately molded elastomeric cage. The cage positions the elements in the free state and allows them to be radially compressed ... | 11/09/1982 |