Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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 |
| 4164154 | Transmission for two-worm press with counter running worms A transmission for a two-worm press having counter running worms in a worm housing, which includes: a transmission housing, an additional housing connected to the transmission housing and detachably connectable to the worm housing, a first and second tran... | 08/14/1979 |
| 4158414 | Crane device A crane device having a track supported main frame with a trolley rollable on the main frame at right angles to the direction of travel of the main frame and with a carriage rotatable on the trolley. The trolley may consist of a single load trolley or it ... | 06/19/1979 |
| 4154668 | Device for increasing the permeability of the skin of cells of living beings A device for increasing the permeability of the skin of cells of living bgs, according to which the respective cells are introduced in the form of a suspension into an electrically conductive liquid thereby there is formed a physiological electrolyte sol... | 05/15/1979 |
| 4154624 | Apparatus and method for cleaning containers A cleaning machine for containers, especially bottles, which includes an endless transporting system for transporting containers to be cleaned through the machine, and which also includes a water pre-softening arrangement comprising at least two softening... | 05/15/1979 |
| 4154200 | Non-polluting heat machine with internal combustion The machine comprises one cylinder in which two symmetrical opposed working pistons are placed. A gas-oil introduced between the pistons burns and causes a reciprocating motion of the working pistons against the return motion of two resilient devices. An ... | 05/15/1979 |
| 4152204 | Device for controlling the power output of a core reactor and for turning off the same A device for controlling the power output of a core reactor and for turning ff the same, in which that portion of the device which contains absorber material comprises a first component in the form of absorber rods for turning off the core reactor which ab... | 05/01/1979 |
| 4150628 | Transversely shiftable pivotally mounted schnabel car A heavy load railway vehicle or schnabel car in which a load bridge is disposed between a pair of longitudinally spaced rail supported bogies and is supported on the bogies by arms on the ends of the load bridge which extend outwardly over the bogies and ... | 04/24/1979 |
| 4150926 | Rotary piston compressor with transfer flow pockets in housing The specification describes a rotary piston compressor with a double-arcuate trochoidal casing track, with which a triangular piston, rotating on an eccentric shaft, makes constant sliding contact at its corners. Transfer flow pockets are provided via whi... | 04/24/1979 |
| 4149834 | Delivery valve, especially for rotary piston compressors A delivery valve, especially for a rotary piston compressor, which valve is adapted to be inserted into an opening provided in the compressor housing and extending substantially parallel to the axis of the compressor housing. The compressor housing has a ... | 04/17/1979 |
| 4149421 | Device for utrasonically checking material by means of an electrodynamic converter A device for checking materials by means of an electrodynamic converter which includes a magnet and at least one high frequency coil arranged between the core of the magnet and the workpiece. The high frequency coil includes a first section effective with... | 04/17/1979 |
| 4147134 | Boiler having a hot gas generator for burning liquid or gaseous fuels A boiler having a hot gas generator for burning liquid or gaseous fuels. The hot gas generator comprises a combustion chamber unit, into the combustion chamber of which the fuel and air for combustion are introduced and in which the combustion of the fuel... | 04/03/1979 |
| 4147240 | Brake disc connection A brake disc connection, especially for rail vehicles, in which the undivided brake ring or the brake ring divided along a radial or axial plane is by a clamping connection which includes a clamping groove and clamping strip clamped therein connected to t... | 04/03/1979 |
| 4146270 | Control device for turbines with speed and load control A control device for turbines with speed and load control, in which the load control includes an integrator with or without an output value limiter. The speed control and the load control are functionally independent of each other over the entire working ... | 03/27/1979 |
| 4145874 | Shackle for chains, especially for sling chains A shackle for chains, especially sling chains, which includes a shackle stirrup and a shackle bolt. In closed position of the shackle. The shackle bolt is located in aligned bores provided in the legs of the shackle stirrup and is held in the said stirrup... | 03/27/1979 |
| 4145078 | Loading and unloading station for conveyors with overhead trolley drives A loading and unloading station transporter for conveyors with overhead trolley drives and automatic feeder and withdrawal devices. The transporter is provided with centering means to centrally receive and hold containers for goods to be transported.... | 03/20/1979 |
| 4144687 | Self-supporting girder structure A self-supporting girder structure which comprises a plurality of sections of rigid material having a triangular cross section while means are provided for preventing the sections from a mutual lateral displacement, means being provided which extend throu... | 03/20/1979 |
| 4144775 | Transmission for a two-worm press with counter running worms A transmission for a two-worm press with two counter-running worms, which includes two transmission output shafts respectively connectable to the two counter-running worms, first gears laterally offset relative to each other. These first gears are driving... | 03/20/1979 |
| 4143975 | Apparatus for applying adhesive to fibrous material An apparatus for applying adhesive to fibrous material in which a generally horizontal cylindrical member is provided having an inlet in the top near one end and an outlet in the bottom near the other end. A shaft is rotatable on the axis of the cylindric... | 03/13/1979 |
| 4143851 | Gas-oil drive for forward and reverse mechanical adjusting movements A gas-oil drive for forward and reverse mechanical adjusting movements. Gas, which is available for every direction of movement of an adjusting drive at a pressure greater than atmospheric pressure, conveys its pressure in a pressure tank to control oil w... | 03/13/1979 |
| 4143732 | Ornamental grill for a motor vehicle body An ornamental molding or grill for a motor vehicle body, especially for the front section of the driver's cab of a truck, which grill is provided with a ribbed surface having air passages therethrough and extending at least over the major portion of the w... | 03/13/1979 |
| 4144542 | Audio-visual reproduction device The specification describes an audio-visual reproduction device for transmitted light recordings of picture, audio and control signals, in a spiral on a disc-shaped information vehicle. Adjacent to the information vehicle there is an arrangement, includin... | 03/13/1979 |
| 4142808 | Tire chain tensioning device A tensioning device for a tire chain, which comprises a first link member adapted to receive a chain link, a second link member adapted to receive another chain link, and an intermediate member, e.g. in the form of a tubular member, which is connected to ... | 03/06/1979 |
| 4142567 | Pneumatic vehicle tire Pneumatic vehicle tires having a carcass with a tread strip centrally arranged thereon. The carcass freely spans the wheel rim and is only slightly outwardly curved when in a non-depressed condition. At its rim area the carcass is deflected by means of it... | 03/06/1979 |
| 4141286 | Throughflow heater for coffee making apparatus In a coffee making apparatus, a throughflow heater for heating water to be passed to a filter, said heater being included in a water throughflow passage extending from a water reservoir to an outlet pipe extending over said filter, is made, at least in pa... | 02/27/1979 |
| 4140231 | Vehicle for transporting and placing portable bridge parts A vehicle, especially a wheeled vehicle, for transporting and placing bridge parts of a portable bridge. The vehicle has a frame, on the forward end of which is mounted a cab. Behind the cab is mounted a support unit for use in placing the bridge parts. T... | 02/20/1979 |
| 4140209 | Motor saw, especially motor chain saw A clutch arrangement for a motor driven chain saw having a first clutch element driven by the motor shaft and a second clutch element normally engaged with the first clutch element but disengageable therefrom and a centrifugal clutch between the second cl... | 02/20/1979 |
| 4139038 | Device for safeguarding screw connections and other movable parts against accidental loosening A device for safeguarding screw connections and other rotatable and/or longitudinally movable parts against accidental loosening. The device includes a conical dish or plate spring which by means of the free end face of its inner and/or outer marginal zon... | 02/13/1979 |
| 4139424 | Socket structure for the ball of a ball point pen refill A method of making a socket structure for a ball point refill, which comprises a ball made of corundum and arranged inside an outer supporting shell provided in its interior with a compound bearing consisting of a backing shell having a hardness exceeding... | 02/13/1979 |
| 4138896 | Electrodynamic sound converter An electrodynamic sound converter which comprises a magnet adapted to generate a magnetic field and direct same onto the surface of the workpiece to be checked by the electrodynamic sound converter, and which also includes an excitation coil located betwe... | 02/13/1979 |
| 4139063 | Control for the hydraulic power lift of a tractor A control for the hydraulic power lift of a tractor, particularly one used in agriculture. The control includes a pre-control slide valve which is adjustable not only by the pick-up or indicator of the working resistance or the position of a working imple... | 02/13/1979 |
| 4136550 | Method of and device for checking hygrometers and hygrostats A method of and device for checking hygrometers and hygrostats, according to which the hygrometer or hygrostat is at its place of mounting checked by means of a reference device, such as a reference hygrometer directly indicating the air humidity. The ref... | 01/30/1979 |
| 4136824 | Device using oil for heating the operator's cab of a machine A device using oil for heating the operator's cab of a machine driven by an air-cooled internal combustion engine, especially the operator's cab of a vehicle. The lubricating oil of the internal combustion engine is recooled in an oil cooler and is entire... | 01/30/1979 |
| 4136885 | Axial shaft sealing unit for sealing a stationary machine part relative to a rotatable machine part An axial shaft sealing unit for sealing a stationary machine part relative to a rotatable machine part. The sealing unit includes a slide ring seal mounted on the stationary machine part in a sealing manner and includes a housing with a bottom located tra... | 01/30/1979 |
| 4135564 | Skid protection for vehicle tires A skid protecting device for use in combination with vehicle tires, according to which in distribution over the tire circumference there are provided holders with a plurality of gripping profiles which are arranged transverse to and in covering engagement... | 01/23/1979 |
| 4135699 | Control valve for gaseous and liquid media A control valve for fluid media which includes a housing with a bore having a widened section intermediate its ends into and from which inlet and outlet passages lead for the respective fluid medium to be controlled. A resilient diaphragm or diaphragm wit... | 01/23/1979 |
| 4132509 | Peristaltic pump with means to vary relative pumping volume between tubes A device for entering dyes having a consistency, which may vary from a liquid to a pulverous state, into synthetic material processing machines, especially extrusion and injection molding machines, by means of a hose pump adjustable as to the quantity bei... | 01/02/1979 |
| 4131523 | Method of electrochemically processing metallic surfaces A method of electrochemically processing metallic surfaces of workpieces ch are arranged so as not to contact the cathode and anode. The processing is done with an electrolyte which, for conducting an electric charge to the surface to be processed, conta... | 12/26/1978 |
| 4130971 | Set of structural elements for producing cupboard walls and other wall units A set of structural elements for producing cupboard walls, cabinets, drawers, partitions and similar wall units, which includes pairs of first plate units and second plate units. The plates of each of the plate units can be arranged so that their plate un... | 12/26/1978 |
| 4129061 | Fragmentation casing for shells, warheads and the like and method of making same A fragmentation casing for shells, warheads and the like, in which pre-shaped fragmentations or splinters of hard or hardenable material are embedded in a supporting structure which is formed by a material that surrounds the fragmentations on all sides. T... | 12/12/1978 |
| 4129108 | Piston for internal combustion engines A piston for internal combustion engines, especially Diesel engines, which is equipped with a mantle connecting the piston head with the piston foot and which by means of this foot is pivotally connected to a gudgeon pin bearing of a connecting rod. Withi... | 12/12/1978 |